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Guo Q, Zhou Y, Xie T, Yuan Y, Li H, Shi W, Zheng L, Li X, Zhang W. Tumor microenvironment of cancer stem cells: Perspectives on cancer stem cell targeting. Genes Dis 2024; 11:101043. [PMID: 38292177 PMCID: PMC10825311 DOI: 10.1016/j.gendis.2023.05.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 05/25/2023] [Indexed: 02/01/2024] Open
Abstract
There are few tumor cell subpopulations with stem cell characteristics in tumor tissue, defined as cancer stem cells (CSCs) or cancer stem-like cells (CSLCs), which can reconstruct neoplasms with malignant biological behaviors such as invasiveness via self-renewal and unlimited generation. The microenvironment that CSCs depend on consists of various cellular components and corresponding medium components. Among these factors existing at a variety of levels and forms, cytokine networks and numerous signal pathways play an important role in signaling transduction. These factors promote or maintain cancer cell stemness, and participate in cancer recurrence, metastasis, and resistance. This review aims to summarize the recent molecular data concerning the multilayered relationship between CSCs and CSC-favorable microenvironments. We also discuss the therapeutic implications of targeting this synergistic interplay, hoping to give an insight into targeting cancer cell stemness for tumor therapy and prognosis.
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Affiliation(s)
- Qianqian Guo
- Department of Pharmacy, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, Henan 450003, China
| | - Yi Zhou
- School of Life Science and Technology, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Tianyuan Xie
- School of Life Science and Technology, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Yin Yuan
- School of Life Science and Technology, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Huilong Li
- School of Life Science and Technology, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Wanjin Shi
- School of Life Science and Technology, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Lufeng Zheng
- School of Life Science and Technology, Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Xiaoman Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Wenzhou Zhang
- Department of Pharmacy, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, Henan 450003, China
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Singh D, Siddique HR. Epithelial-to-mesenchymal transition in cancer progression: unraveling the immunosuppressive module driving therapy resistance. Cancer Metastasis Rev 2024; 43:155-173. [PMID: 37775641 DOI: 10.1007/s10555-023-10141-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 09/21/2023] [Indexed: 10/01/2023]
Abstract
Cancer cells undergo phenotypic switching (cancer cell plasticity) in response to microenvironmental cues, including exposure to therapy/treatment. Phenotypic plasticity enables the cancer cells to acquire more mesenchymal traits promoting cancer cells' growth, survival, therapy resistance, and disease recurrence. A significant program in cancer cell plasticity is epithelial-to-mesenchymal transition (EMT), wherein a comprehensive reprogramming of gene expression occurs to facilitate the translational shift from epithelial-to-mesenchymal phenotypes resulting in increased invasiveness and metastasis. In addition, EMT plays a pivotal role in facilitating cancer cells' escape from the body's immune system using several mechanisms, such as the downregulation of major histocompatibility complex-mediated antigen presentation, upregulation of immune checkpoint molecules, and recruitment of immune-suppressive cells. Cancer cells' ability to undergo phenotypic switching and EMT-driven immune escape presents a formidable obstacle in cancer management, highlighting the need to unravel the intricate mechanisms underlying these processes and develop novel therapeutic strategies. This article discusses the role of EMT in promoting immune evasion and therapy resistance. We also discuss the ongoing research on developing therapeutic approaches targeting intrinsic and induced cell plasticity within the immune suppressive microenvironment. We believe this review article will update the current research status and equip researchers, clinicians, and other healthcare professionals with valuable insights enhancing their existing knowledge and shedding light on promising directions for future cancer research. This will facilitate the development of innovative strategies for managing therapy-resistant cancers and improving patient outcomes.
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Affiliation(s)
- Deepti Singh
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, 202002, India
| | - Hifzur R Siddique
- Molecular Cancer Genetics & Translational Research Lab, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, 202002, India.
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Zhang Y, Kong R, Yang W, Hu K, Zhao Z, Li L, Geng X, Liu L, Chen H, Xiao P, Liu D, Luo Y, Chen H, Hu J, Sun B. DUSP2 recruits CSNK2A1 to suppress AKT1-mediated apoptosis resistance under hypoxic microenvironment in pancreatic cancer. Cancer Lett 2023:216288. [PMID: 37390887 DOI: 10.1016/j.canlet.2023.216288] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/23/2023] [Accepted: 06/23/2023] [Indexed: 07/02/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is characterized by hypoxic tumor microenvironment (TME), which aids tumor progression, drug resistance, and immune evasion. Dual-specificity phosphatase 2 (DUSP2), a member of the mitogen-activated protein kinase phosphatase family, regulates pancreatic cancer metastasis. However, its role in the hypoxic TME in PDAC remains unknown. We explored the role of DUSP2 by simulating the hypoxic TME. DUSP2 significantly promoted apoptosis in PDAC both in vitro and in vivo, mainly through AKT1 rather than ERK1/2. Mechanistically, DUSP2 competed with AKT1 to bind to casein kinase 2 alpha 1 (CSNK2A1) and inhibited the phosphorylation of AKT1, which plays a crucial role in apoptosis resistance. Interestingly, aberrant activation of AKT1 resulted in an increase in the ubiquitin E3 ligase tripartite motif-containing 21 (TRIM21), which binds to and mediates the ubiquitination-dependent proteasomal degradation of DUSP2. Overall, we identified CSNK2A1 as a novel binding partner of DUSP2 that promotes PDAC apoptosis through CSN2KA1/AKT1 in an ERK1/2-independent manner. Activation of AKT1 also mediated proteasomal degradation of DUSP2 via the AKT1/TRIM21 positive feedback loop. We propose increasing the level of DUSP2 as a potential therapeutic strategy for PDAC.
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Affiliation(s)
- Yangyang Zhang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Rui Kong
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Wenbo Yang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Keyi Hu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Zhongjie Zhao
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Le Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Xinglong Geng
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Liwei Liu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Hongze Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Peng Xiao
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Danxi Liu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Yan Luo
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Hua Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China
| | - Jisheng Hu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China.
| | - Bei Sun
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, China.
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Rotolo R, Leuci V, Donini C, Galvagno F, Massa A, De Santis MC, Peirone S, Medico G, Sanlorenzo M, Vujic I, Gammaitoni L, Basiricò M, Righi L, Riganti C, Salaroglio IC, Napoli F, Tabbò F, Mariniello A, Vigna E, Modica C, D’Ambrosio L, Grignani G, Taulli R, Hirsch E, Cereda M, Aglietta M, Scagliotti GV, Novello S, Bironzo P, Sangiolo D. Novel Lymphocyte-Independent Antitumor Activity by PD-1 Blocking Antibody against PD-1+ Chemoresistant Lung Cancer Cells. Clin Cancer Res 2023; 29:621-634. [PMID: 36165915 PMCID: PMC9890136 DOI: 10.1158/1078-0432.ccr-22-0761] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 08/18/2022] [Accepted: 09/16/2022] [Indexed: 02/05/2023]
Abstract
PURPOSE Antibodies against the lymphocyte PD-1 (aPD-1) receptor are cornerstone agents for advanced non-small cell lung cancer (NSCLC), based on their ability to restore the exhausted antitumor immune response. Our study reports a novel, lymphocyte-independent, therapeutic activity of aPD-1 against NSCLC, blocking the tumor-intrinsic PD-1 receptors on chemoresistant cells. EXPERIMENTAL DESIGN PD-1 in NSCLC cells was explored in vitro at baseline, including stem-like pneumospheres, and following treatment with cisplatin both at transcriptional and protein levels. PD-1 signaling and RNA sequencing were assessed. The lymphocyte-independent antitumor activity of aPD-1 was explored in vitro, by PD-1 blockade and stimulation with soluble ligand (PD-L1s), and in vivo within NSCLC xenograft models. RESULTS We showed the existence of PD-1+ NSCLC cell subsets in cell lines and large in silico datasets (Cancer Cell Line Encyclopedia and The Cancer Genome Atlas). Cisplatin significantly increased PD-1 expression on chemo-surviving NSCLC cells (2.5-fold P = 0.0014), while the sequential treatment with anti-PD-1 Ab impaired their recovery after chemotherapy. PD-1 was found to be associated with tumor stemness features. PD-1 expression was enhanced in NSCLC stem-like pneumospheres (P < 0.0001), significantly promoted by stimulation with soluble PD-L1 (+27% ± 4, P < 0.0001) and inhibited by PD-1 blockade (-30% ± 3, P < 0.0001). The intravenous monotherapy with anti-PD-1 significantly inhibited tumor growth of NSCLC xenografts in immunodeficient mice, without the contribution of the immune system, and delayed the occurrence of chemoresistance when combined with cisplatin. CONCLUSIONS We report first evidence of a novel lymphocyte-independent activity of anti-PD-1 antibodies in NSCLC, capable of inhibiting chemo-surviving NSCLC cells and exploitable to contrast disease relapses following chemotherapy. See related commentary by Augustin et al., p. 505.
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Affiliation(s)
- Ramona Rotolo
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Valeria Leuci
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Chiara Donini
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Federica Galvagno
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Annamaria Massa
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Maria Chiara De Santis
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Torino, Italy
| | - Serena Peirone
- Department of Biosciences, University of Milan, Milan, Italy
- Italian Institute for Genomic Medicine, c/o IRCCS, Candiolo (Torino), Italy
| | | | - Martina Sanlorenzo
- Comprehensive Cancer Center, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Igor Vujic
- The Rudolfstiftung Hospital, Vienna, Austria
- Faculty of Medicine and Dentistry, Danube Private University, Krems, Austria
| | | | - Marco Basiricò
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Luisella Righi
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | - Chiara Riganti
- Department of Oncology, University of Turin, Torino, Italy
| | | | - Francesca Napoli
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | - Fabrizio Tabbò
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | - Annapaola Mariniello
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | - Elisa Vigna
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | - Chiara Modica
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
- Department of Surgical, Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | - Lorenzo D’Ambrosio
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | | | - Riccardo Taulli
- Department of Oncology, University of Turin, Torino, Italy
- Center for Experimental Research and Medical Studies (CeRMS), City of Health and Science University Hospital di Torino, Torino, Italy
| | - Emilio Hirsch
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Torino, Italy
| | - Matteo Cereda
- Department of Biosciences, University of Milan, Milan, Italy
- Italian Institute for Genomic Medicine, c/o IRCCS, Candiolo (Torino), Italy
| | - Massimo Aglietta
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
| | | | - Silvia Novello
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | - Paolo Bironzo
- Department of Oncology, University of Turin, San Luigi Gonzaga Hospital, Orbassano (TO), Italy
| | - Dario Sangiolo
- Department of Oncology, University of Turin, Torino, Italy
- Candiolo Cancer Institute FPO – IRCCS, Candiolo (Torino), Italy
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Microdissecting the Hypoxia Landscape in Colon Cancer Reveals Three Distinct Subtypes and Their Potential Mechanism to Facilitate the Development of Cancer. JOURNAL OF ONCOLOGY 2023; 2023:9346621. [PMID: 36925652 PMCID: PMC10014161 DOI: 10.1155/2023/9346621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/09/2022] [Accepted: 11/25/2022] [Indexed: 03/09/2023]
Abstract
Background Hypoxia contributes to tumor progression and confers drug resistance. We attempted to microdissect the hypoxia landscape in colon cancer (CC) and explore its correlation with immunotherapy response. Materials and Methods The hypoxia landscape in CC patients was microdissected through unsupervised clustering. The "xCell" algorithms were applied to decipher the tumor immune infiltration characteristics. A hypoxia-related index signature was developed via the LASSO (least absolute shrinkage and selection operator) Cox regression in The Cancer Genome Atlas (TCGA)-colon adenocarcinoma (COAD) cohort and validated in an independent dataset from the Gene Expression Omnibus (GEO) database. The tumor immune dysfunction and exclusion (TIDE) algorithm was utilized to evaluate the correlation between the hypoxia-related index (HRI) signature and immunotherapy response. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) and western blotting were performed to verify the mRNA expression levels of five key genes. The Cell Counting Kit-8 (CCK-8) assay and flow cytometry were performed to examine the cell viability and cell apoptosis. Results Patients were classified into hypoxia-high, hypoxia-median, and hypoxia-low clusters in TCGA-COAD and verified in the GSE 17538 dataset. Compared with the hypoxia-low cluster, the hypoxia-high cluster consistently presented an unfavorable prognosis, higher immune scores, and stromal scores and elevated infiltration levels of several critical immune and stromal cells. Otherwise, we also found 600 hypoxia-related differentially expressed genes (HRDEGs) between the hypoxia-high cluster and the hypoxia-low cluster. Based on the 600 HRDEGs, we constructed the HRI signature which consists of 11 genes and shows a good prognostic value in both TCGA-COAD and GSE 17538 (AUC of 6-year survival prediction >0.75). Patients with low HRI scores were consistently predicted to be more responsive to immunotherapy. Of the 11 HRI signature genes, RGS16, SNAI1, CDR2L, FRMD5, and FSTL3 were differently expressed between tumors and adjacent tissues. Low expression of SNAI1, CDR2L, FRMD5, and FSTL3 could induce cell viability and promote tumor cell apoptosis. Conclusion In our study, we discovered three hypoxia clusters which correlate with the clinical outcome and the tumor immune microenvironment in CC. Based on the hypoxia cluster and HRDEGs, we constructed a reliable HRI signature that could accurately predict the prognosis and immunotherapeutic responsiveness in CC patients and discovered four key genes that could affect tumor cell viability and apoptosis.
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Manni W, Min W. Signaling pathways in the regulation of cancer stem cells and associated targeted therapy. MedComm (Beijing) 2022; 3:e176. [PMID: 36226253 PMCID: PMC9534377 DOI: 10.1002/mco2.176] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 11/07/2022] Open
Abstract
Cancer stem cells (CSCs) are defined as a subpopulation of malignant tumor cells with selective capacities for tumor initiation, self-renewal, metastasis, and unlimited growth into bulks, which are believed as a major cause of progressive tumor phenotypes, including recurrence, metastasis, and treatment failure. A number of signaling pathways are involved in the maintenance of stem cell properties and survival of CSCs, including well-established intrinsic pathways, such as the Notch, Wnt, and Hedgehog signaling, and extrinsic pathways, such as the vascular microenvironment and tumor-associated immune cells. There is also intricate crosstalk between these signal cascades and other oncogenic pathways. Thus, targeting pathway molecules that regulate CSCs provides a new option for the treatment of therapy-resistant or -refractory tumors. These treatments include small molecule inhibitors, monoclonal antibodies that target key signaling in CSCs, as well as CSC-directed immunotherapies that harness the immune systems to target CSCs. This review aims to provide an overview of the regulating networks and their immune interactions involved in CSC development. We also address the update on the development of CSC-directed therapeutics, with a special focus on those with application approval or under clinical evaluation.
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Affiliation(s)
- Wang Manni
- Department of Biotherapy, Cancer Center, West China HospitalSichuan UniversityChengduP. R. China
| | - Wu Min
- Department of Biomedical Sciences, School of Medicine and Health SciencesUniversity of North DakotaGrand ForksNorth DakotaUSA
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Frota LS, da Rocha MN, Bezerra LL, da Fonseca AM, Marinho ES, de Morais SM. HIF1 inhibition of the biflavonoids against pancreas cancer: drug-likeness, bioavailability, ADMET, PASS, molecular docking, molecular dynamics, and MM/GBSA calculations. J Biomol Struct Dyn 2022:1-12. [PMID: 36002285 DOI: 10.1080/07391102.2022.2112619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Pancreatic cancer is an aggressive disease with a high death rate and is difficult to treat. This disease, in the most cases, is asymptomatic until it progresses to an advanced stage. Therefore, the search for bioactive molecules is urgent to combat pancreatic cancer. Then, this work analyzed the interaction potential of agathisflavone and amentoflavone molecules against the HIF1 target using the ADMET, molecular docking, and molecular dynamics simulations. More recent drug-likeness filters that combine physicochemical and physiological parameters have shown that high polar surface area (TPSA > 75 Å2) drives biflavonoids out of the toxic drug space of Pfizer dataset. Regarding the pharmacokinetic descriptors, it was possible to notice that Amentoflavone showed a better order of passive cell permeability (Papp = 8 × 10-6 cm/s) and better metabolic stability, biotransformed by aromatic hydroxylation reactions by the CYP3A4 isoenzyme on the human liver, that favor its hepatic clearance. The molecular docking and molecular dynamics simulations indicated the high interaction potential and stability between the ligands analyzed (highlighted the amentoflavone molecule), respectively. The MM/GBSA calculations showed that the amentoflavone ligand registered the highest ΔG binding value of -32.6957 kcal/mol with the HIF1 target. Then, this molecule may be used as a potential inhibitor of pancreatic cancer. In this perspective, the present work represents an initial step in the virtual bioprospecting a pharmacological tool for treating of pancreatic cancer.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Lucas Soares Frota
- Graduate Program in Biotechnology, Northeast Biotechnology Network, Faculty of Veterinary Medicine, State University of Ceará, Campus do Itaperi, Fortaleza , Ceara, Brazil
| | - Matheus Nunes da Rocha
- Group of Theoretical Chemistry and Electrochemistry, Faculty of Philosophy Dom Aureliano Matos, State University of Ceara, Limoeiro do Norte, Ceará, Brazil
| | - Lucas Lima Bezerra
- Group of Theoretical Chemistry and Electrochemistry, Faculty of Philosophy Dom Aureliano Matos, State University of Ceara, Limoeiro do Norte, Ceará, Brazil
| | - Aluísio Marques da Fonseca
- Academic Master in Sociobiodiversity and Sustainable Technologies, Institute of Engineering and Sustainable Development, University of International Integration of Afro-Brazilian Lusophony, Auroras Campus, Redenção, CE, Brazil
| | - Emmanuel Silva Marinho
- Group of Theoretical Chemistry and Electrochemistry, Faculty of Philosophy Dom Aureliano Matos, State University of Ceara, Limoeiro do Norte, Ceará, Brazil
| | - Selene Maia de Morais
- Chemistry Course, Science and Technology Center, State University of Ceará, Itaperi Campus, 60714-903, Fortaleza, Ceará, Brazil
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Xiong J, Ran L, Zhu Y, Wang Y, Wang S, Wang Y, Lan Q, Han W, Liu Y, Huang Y, He T, Li Y, Liu L, Zhao J, Yang K. DUSP2-mediated inhibition of tubular epithelial cell pyroptosis confers nephroprotection in acute kidney injury. Am J Cancer Res 2022; 12:5069-5085. [PMID: 35836796 PMCID: PMC9274747 DOI: 10.7150/thno.72291] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 06/25/2022] [Indexed: 02/07/2023] Open
Abstract
Rationale: Acute kidney injury (AKI) is pathologically characterized by renal tubular epithelial cell (RTEC) death and interstitial inflammation, while their pathogenesis remains incompletely understood. Dual-specificity phosphatase 2 (DUSP2) recently emerges as a crucial regulator of cell death and inflammation in a wide range of diseases, but its roles in renal pathophysiology are largely unknown. Methods: The expression of DUSP2 in the kidney was characterized by histological analysis in renal tissues from patients and mice with AKI. The role and mechanism of DUSP2-mediated inhibition of tubular epithelial cell pyroptosis in AKI were evaluated both in vivo and in vitro, and confirmed in RTEC-specific deletion of DUSP2 mice. Results: Here, we show that DUSP2 is enriched in RTECs in the renal tissue of both human and mouse and mainly positions in the nucleus. Further, we reveal that loss-of-DUSP2 in RTECs not only is a common feature of human and murine AKI but also positively contributes to AKI pathogenesis. Especially, RTEC-specific deletion of DUSP2 sensitizes mice to AKI by promoting RTEC pyroptosis and the resultant interstitial inflammation. Mechanistic studies show that gasdermin D (GSDMD), which mediates RTEC pyroptosis, is identified as a transcriptional target of activated STAT1 during AKI, whereas DUSP2 as a nuclear phosphatase deactivates STAT1 to restrict GSDMD-mediated RTEC pyroptosis. Importantly, DUSP2 overexpression in RTECs via adeno-associated virus-mediated gene transfer significantly ameliorates AKI. Conclusion: Our findings demonstrate a hitherto unrecognized role of DUSP2-STAT1 axis in regulating RTEC pyroptosis in AKI, highlighting that DUSP2-STAT1 axis is an attractive therapeutic target for AKI.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Jinghong Zhao
- ✉ Corresponding authors: Ke Yang, PhD, or Jinghong Zhao, MD, PhD, Department of Nephrology, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, 400037, China. E-mail: or . Tel: +86-023- 68774321; Fax: +86-023- 68774321
| | - Ke Yang
- ✉ Corresponding authors: Ke Yang, PhD, or Jinghong Zhao, MD, PhD, Department of Nephrology, Xinqiao Hospital, Army Medical University (Third Military Medical University), Chongqing, 400037, China. E-mail: or . Tel: +86-023- 68774321; Fax: +86-023- 68774321
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Ding S, Gao Y, Lv D, Tao Y, Liu S, Chen C, Huang Z, Zheng S, Hu Y, Chow LKY, Wei Y, Feng P, Dai W, Wang X, Xia Y. DNTTIP1 promotes nasopharyngeal carcinoma metastasis via recruiting HDAC1 to DUSP2 promoter and activating ERK signaling pathway. EBioMedicine 2022; 81:104100. [PMID: 35689852 PMCID: PMC9189780 DOI: 10.1016/j.ebiom.2022.104100] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 05/13/2022] [Accepted: 05/22/2022] [Indexed: 11/21/2022] Open
Abstract
Background Distant metastasis remains the leading cause of treatment failure in patients with nasopharyngeal carcinoma (NPC), making it critical to identify efficient therapeutic targets for metastatic NPC. Previous studies have demonstrated that deoxynucleotidyltransferase terminal-interacting protein 1 (DNTTIP1) is associated with the development of various types of cancer. However, its role and mechanism in NPC have not been explored. Methods RNA-seq profiling was performed for three pairs of NPC and normal nasopharynx tissues. DNTTIP1 expression in NPC specimens was detected by immunohistochemistry. In vitro and in vivo assays were used to investigate the function of DNTTIP1. The molecular mechanism was determined using RT-qPCR, western blotting, RNA-seq, luciferase reporter assays, ChIP assays, and co-IP assays. Findings DNTTIP1 was found to be significantly upregulated in NPC tissues. Furthermore, DNTTIP1 promoted NPC growth and metastasis in vitro and in vivo. Upregulation of DNTTIP1 in NPC indicated poor clinical outcomes. Mechanistically, DNTTIP1 suppressed DUSP2 gene expression via recruiting HDAC1 to its promoter and maintaining a deacetylated state of histone H3K27. The downregulation of DUSP2 resulted in aberrant activation of the ERK signaling and elevated MMP2 levels, promoting NPC metastasis. Chidamide, an HDAC inhibitor, was shown to suppress NPC metastasis by regulating the DNTTIP1/HDAC1-DUSP2 axis. Interpretation Our findings demonstrate that DNTTIP1 not only regulates NPC metastasis but also independently predicts NPC prognosis. Furthermore, targeting DNTTIP1/HDAC1 by Chidamide may benefit NPC patients with metastasis. Funding This work was supported by the National Natural Science Foundation of China (No. 81872464, 82073243).
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Affiliation(s)
- Shirong Ding
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China; Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Ying Gao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Dongming Lv
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yalan Tao
- Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Songran Liu
- Department of Pathology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Chen Chen
- Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Zilu Huang
- Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Shuohan Zheng
- Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Yujun Hu
- Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Larry Ka-Yue Chow
- Department of Clinical Oncology, University of Hong Kong, Hong Kong (SAR), China
| | - Yinghong Wei
- Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Ping Feng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China; Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China
| | - Wei Dai
- Department of Clinical Oncology, University of Hong Kong, Hong Kong (SAR), China
| | - Xin Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China; Department of Liver Surgery, Sun Yat-sen University Cancer Centre, Guangzhou, China.
| | - Yunfei Xia
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China; Department of Radiation Oncology, Sun Yat-sen University Cancer Centre, Guangzhou, China.
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10
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Zhang C, Zhao S, Tan Y, Pan S, An W, Chen Q, Wang X, Xu H. The SKA3-DUSP2 Axis Promotes Gastric Cancer Tumorigenesis and Epithelial-Mesenchymal Transition by Activating the MAPK/ERK Pathway. Front Pharmacol 2022; 13:777612. [PMID: 35295342 PMCID: PMC8918524 DOI: 10.3389/fphar.2022.777612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 02/11/2022] [Indexed: 12/24/2022] Open
Abstract
Background: Spindle and kinetochore-related complex subunit 3 (SKA3), a member of the SKA family of proteins, is associated with the progression of multiple cancers. However, the role of SKA3 in gastric cancer has not been studied.Methods: The expression levels of SKA3 and dual-specificity phosphatase 2 (DUSP2) proteins were detected by immunohistochemistry. The effects of SKA3 and DUSP2 on the proliferation, migration, invasion, adhesion, and epithelial-mesenchymal transition of gastric cancer were studied in vitro and in vivo.Results: Immunohistochemical analysis of 164 cases of gastric cancer revealed that high expression of SKA3 was negatively correlated with DUSP2 expression and related to N stage, peritoneal metastasis, and poor prognosis. In vitro studies showed that silencing SKA3 expression inhibited the proliferation, migration, invasion, adhesion and epithelial-mesenchymal transition of gastric cancer. In vivo experiments showed that silencing SKA3 inhibited tumor growth and peritoneal metastasis. Mechanistically, SKA3 negative regulates the tumor suppressor DUSP2 and activates the MAPK/ERK pathway to promote gastric cancer.Conclusion: Our results indicate that the SKA3-DUSP2-ERK1/2 axis is involved in the regulation of gastric cancer progression, and SKA3 is a potential therapeutic target for gastric cancer.
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Affiliation(s)
- Chao Zhang
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Shutao Zhao
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Yuen Tan
- Department of Surgical Oncology, First Affiliated Hospital of China Medical University, Shenyang, China
- Key Laboratory of Gastric Cancer Molecular Pathology of Liaoning Province, Shenyang, China
| | - Siwei Pan
- Department of Surgical Oncology, First Affiliated Hospital of China Medical University, Shenyang, China
- Key Laboratory of Gastric Cancer Molecular Pathology of Liaoning Province, Shenyang, China
| | - Wen An
- Department of Surgical Oncology, First Affiliated Hospital of China Medical University, Shenyang, China
- Key Laboratory of Gastric Cancer Molecular Pathology of Liaoning Province, Shenyang, China
| | - Qingchuan Chen
- Department of Surgical Oncology, First Affiliated Hospital of China Medical University, Shenyang, China
- Key Laboratory of Gastric Cancer Molecular Pathology of Liaoning Province, Shenyang, China
| | - Xudong Wang
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Xudong Wang, ; Huimian Xu,
| | - Huimian Xu
- Department of Surgical Oncology, First Affiliated Hospital of China Medical University, Shenyang, China
- Key Laboratory of Gastric Cancer Molecular Pathology of Liaoning Province, Shenyang, China
- *Correspondence: Xudong Wang, ; Huimian Xu,
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11
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Zandi Z, Kashani B, Alishahi Z, Pourbagheri-Sigaroodi A, Esmaeili F, Ghaffari SH, Bashash D, Momeny M. Dual-specificity phosphatases: therapeutic targets in cancer therapy resistance. J Cancer Res Clin Oncol 2022; 148:57-70. [PMID: 34981193 DOI: 10.1007/s00432-021-03874-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/25/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE Therapy resistance is the principal obstacle to achieving cures in cancer patients and its successful tackling requires a deep understanding of the resistance mediators. Increasing evidence indicates that tumor phosphatases are novel and druggable targets in translational oncology and their modulation may hinder tumor growth and motility and potentiate therapeutic sensitivity in various neoplasms via regulation of various signal transduction pathways. Dual-specificity phosphatases (DUSPs) are key players of cell growth, survival and death and have essential roles in tumor initiation, malignant progression and therapy resistance through regulation of the MAPK signaling pathway. In this review, different aspects of DUSPs are discussed. METHODS A comprehensive literature review was performed using various websites including PubMed. RESULTS We provide mechanistic insights into the roles of well-known DUSPs in resistance to a wide range of cancer therapeutic approaches including chemotherapy, radiation and molecular targeted therapy in human malignancies. Moreover, we discuss the development of DUSP modulators, with a focus on DUSP1 and 6 inhibitors. Ultimately, the preclinical investigations of small molecule inhibitors of DUSP1 and 6 are outlined. CONCLUSION Emerging evidence indicates that the DUSP family is aberrantly expressed in human malignancies and plays critical roles in determining sensitivity to a wide range of cancer therapeutic strategies through regulation of the MAPK signaling pathways. Consequently, targeting DUSPs and their downstream molecules can pave the way for more effective cancer therapies.
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Affiliation(s)
- Zahra Zandi
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahareh Kashani
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Zivar Alishahi
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Atieh Pourbagheri-Sigaroodi
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Esmaeili
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed H Ghaffari
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Momeny
- Hematology/Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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12
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Turdo A, D'Accardo C, Glaviano A, Porcelli G, Colarossi C, Colarossi L, Mare M, Faldetta N, Modica C, Pistone G, Bongiorno MR, Todaro M, Stassi G. Targeting Phosphatases and Kinases: How to Checkmate Cancer. Front Cell Dev Biol 2021; 9:690306. [PMID: 34778245 PMCID: PMC8581442 DOI: 10.3389/fcell.2021.690306] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 10/04/2021] [Indexed: 12/21/2022] Open
Abstract
Metastatic disease represents the major cause of death in oncologic patients worldwide. Accumulating evidence have highlighted the relevance of a small population of cancer cells, named cancer stem cells (CSCs), in the resistance to therapies, as well as cancer recurrence and metastasis. Standard anti-cancer treatments are not always conclusively curative, posing an urgent need to discover new targets for an effective therapy. Kinases and phosphatases are implicated in many cellular processes, such as proliferation, differentiation and oncogenic transformation. These proteins are crucial regulators of intracellular signaling pathways mediating multiple cellular activities. Therefore, alterations in kinases and phosphatases functionality is a hallmark of cancer. Notwithstanding the role of kinases and phosphatases in cancer has been widely investigated, their aberrant activation in the compartment of CSCs is nowadays being explored as new potential Achille's heel to strike. Here, we provide a comprehensive overview of the major protein kinases and phosphatases pathways by which CSCs can evade normal physiological constraints on survival, growth, and invasion. Moreover, we discuss the potential of inhibitors of these proteins in counteracting CSCs expansion during cancer development and progression.
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Affiliation(s)
- Alice Turdo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Caterina D'Accardo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Antonino Glaviano
- Department of Surgical, Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | - Gaetana Porcelli
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Cristina Colarossi
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), Catania, Italy
| | - Lorenzo Colarossi
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), Catania, Italy
| | - Marzia Mare
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), Catania, Italy
| | | | - Chiara Modica
- Department of Surgical, Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
| | - Giuseppe Pistone
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Maria Rita Bongiorno
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
| | - Matilde Todaro
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy.,Azienda Ospedaliera Universitaria Policlinico (AOUP), Palermo, Italy
| | - Giorgio Stassi
- Department of Surgical, Oncological and Stomatological Sciences (DICHIRONS), University of Palermo, Palermo, Italy
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13
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Rainho MDA, Mencalha AL, Thole AA. Hypoxia effects on cancer stem cell phenotype in colorectal cancer: a mini-review. Mol Biol Rep 2021; 48:7527-7535. [PMID: 34637098 DOI: 10.1007/s11033-021-06809-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 10/05/2021] [Indexed: 12/15/2022]
Abstract
Colorectal cancer (CRC) is ranked third most incident and second most deadly around the world, and even though treatments significantly developed over the years, overall survival remains low. This scenario has the contribution of cancer stem cells (CSC), a subpopulation of the heterogeneous tumor bulk, considered to be responsible for the tumor maintenance, conventional therapies resistance, metastasis, and recurrence. In this regard, hypoxia appears as an important component of tumor microenvironment and CSC niche, being associated with a worse prognosis. Therefore, it is vital the study of hypoxia influence on CSC phenotype in CRC. The aim of this mini-review article is to present a brief overview on this field. Recent articles discoursed about CSC molecular regulation, signalling pathways, methods for the study of the topic, as well as molecules and drugs capacity of inhibiting the interplay of hypoxia-CSC. Finally, the studies demonstrated important results, extensively accessing the topics of cellular and molecular regulation and therapeutic intervention, being morphology an area to be more explored.
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Affiliation(s)
- Mateus de Almeida Rainho
- LPCT - Laboratory of Stem Cell Research, Histology and Embryology Department, Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Andre Luiz Mencalha
- LABICAN - Laboratory of Cancer Biology, Biometry and Biophysics Department, Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Alessandra Alves Thole
- LPCT - Laboratory of Stem Cell Research, Histology and Embryology Department, Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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14
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Zhang B, Yuan P, Xu G, Chen Z, Li Z, Ye H, Wang J, Shi P, Sun X. DUSP6 expression is associated with osteoporosis through the regulation of osteoclast differentiation via ERK2/Smad2 signaling. Cell Death Dis 2021; 12:825. [PMID: 34475393 PMCID: PMC8413376 DOI: 10.1038/s41419-021-04110-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 07/13/2021] [Accepted: 07/19/2021] [Indexed: 01/28/2023]
Abstract
Osteoporosis-related fractures, such as femoral neck and vertebral fractures, are common in aged people, resulting in increased disability rate and health-care costs. Thus, it is of great importance to clarify the mechanism of osteoclast-related osteoporosis and find effective ways to avoid its complication. In this study, gene expression profile analysis and real-time polymerase chain reaction revealed that DUSP6 expression was suppressed in human and mice osteoporosis cases. In vitro experiments confirmed that DUSP6 overexpression prevented osteoclastogenesis, whereas inhibition of DUSP6 by small interference RNA or with a chemical inhibitor, (E/Z)-BCI, had the opposite effect. (E/Z)-BCl significantly accelerated the bone loss process in vivo by enhancing osteoclastogenesis. Bioinformatics analyses and in vitro experiments indicated that miR-181a was an upstream regulator of DUSP6. Moreover, miR-181a positively induced the differentiation and negatively regulated the apoptosis of osteoclasts via DUSP6. Furthermore, downstream signals by ERK2 and SMAD2 were also found to be involved in this process. Evaluation of ERK2-deficiency bone marrow-derived macrophages confirmed the role of ERK2 signaling in the DUSP6-mediated osteoclastogenesis. Additionally, immunoprecipitation assays confirmed that DUSP6 directly modified the phosphorylation status of SMAD2 and the subsequent nuclear transportation of NFATC1 to regulate osteoclast differentiation. Altogether, this study demonstrated for the first time the role of miRNA-181a/DUSP6 in the progression of osteoporosis via the ERK2 and SMAD2 signaling pathway. Hence, DUSP6 may represent a novel target for the treatment of osteoclast-related diseases in the future.
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Affiliation(s)
- Boya Zhang
- Department of Dermatology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Putao Yuan
- Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Guang Xu
- Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Zhijun Chen
- Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Zhifei Li
- The Affiliated Hospital of Medical School of Ningbo University, Ningbo, China
| | - Huali Ye
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Jiying Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China
| | - Peihua Shi
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China.
| | - Xuewu Sun
- Key Laboratory of Biotherapy of Zhejiang Province, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, China.
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15
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Wang CA, Li CF, Huang RC, Li YH, Liou JP, Tsai SJ. Suppression of Extracellular Vesicle VEGF-C-mediated Lymphangiogenesis and Pancreatic Cancer Early Dissemination By a Selective HDAC1/2 Inhibitor. Mol Cancer Ther 2021; 20:1550-1560. [PMID: 34210825 DOI: 10.1158/1535-7163.mct-20-0963] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 04/29/2021] [Accepted: 06/22/2021] [Indexed: 11/16/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive cancer characterized by early dissemination and poor drug response. Therefore, it is an unmet medical need to develop new strategies for treatment. As aberrant activation of ERK due to KRAS activating mutation is a driving force for PDAC, a brake system that can terminate ERK signaling represents an ideal druggable target. Herein, we demonstrate that forced expression of dual specificity phosphatase-2 (DUSP2), a specific ERK phosphatase, abrogated tumor formation and loss of Dusp2 facilitated Kras-driven PDAC progression. We report that a selective HDAC1/2 inhibitor (B390) has multifaceted therapeutic potential in PDAC by restoring the expression and function of DUSP2. In vitro study showed that treatment with B390 inhibited growth and migration abilities of PDAC cells, decreased extracellular vesicle-associated VEGF-C expression, and suppressed lymphatic endothelial cell proliferation. In vivo, B390 not only suppressed tumor growth by increasing tumor cell death, it also inhibited lymphangiogenesis and lymphovascular invasion. Taken together, our data demonstrate that B390 was able to alleviate loss of DUSP2-mediated pathologic processes, which provides the proof-of-concept evidence to demonstrate the potential of using selective HDAC1/2 inhibitors in PDAC treatment and suggests reinstating DUSP2 expression may be a strategy to subside PDAC progression.
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Affiliation(s)
- Chu-An Wang
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chien-Feng Li
- Department of Pathology, Chi-Mei Medical Center, Tainan, Taiwan
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan
| | - Rho-Chi Huang
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yo-Hua Li
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jing-Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Shaw-Jenq Tsai
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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16
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Gao PP, Qi XW, Sun N, Sun YY, Zhang Y, Tan XN, Ding J, Han F, Zhang Y. The emerging roles of dual-specificity phosphatases and their specific characteristics in human cancer. Biochim Biophys Acta Rev Cancer 2021; 1876:188562. [PMID: 33964330 DOI: 10.1016/j.bbcan.2021.188562] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 04/15/2021] [Accepted: 05/02/2021] [Indexed: 12/15/2022]
Abstract
Reversible phosphorylation of proteins, controlled by kinases and phosphatases, is involved in various cellular processes. Dual-specificity phosphatases (DUSPs) can dephosphorylate phosphorylated serine, threonine and tyrosine residues. This family consists of 61 members, 44 of which have been identified in human, and these 44 members are classified into six subgroups, the phosphatase and tensin homolog (PTEN) protein phosphatases (PTENs), mitogen-activated protein kinase phosphatases (MKPs), atypical DUSPs, cell division cycle 14 (CDC14) phosphatases (CDC14s), slingshot protein phosphatases (SSHs), and phosphatases of the regenerating liver (PRLs). Growing evidence has revealed dysregulation of DUSPs as one of the common phenomenons and highlighted their key roles in human cancers. Furthermore, their differential expression may be a potential biomarker for tumor prognosis. Despite this, there are still many unstudied members of DUSPs need to further explore their precise roles and mechanism in cancers. Most importantly, the systematic review is very limited on the functional/mechanistic characteristics and clinical application of DUSPs at present. In this review, the structures, functions and underlying mechanisms of DUSPs are systematically reviewed, and the molecular and functional characteristics of DUSPs in different tumor types according to the current researches are summarized. In addition, the potential roles of the unstudied members and the possible different mechanisms of DUSPs in cancer are discussed and classified based on homology alignment and structural domain analyses. Moreover, the specific characteristics of their expression and prognosis are further determined in more than 30 types of human cancers by using the online databases. Finally, their potential application in precise diagnosis, prognosis and treatment of different types of cancers, and the main possible problems for the clinical application at present are prospected.
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Affiliation(s)
- Ping-Ping Gao
- Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, China
| | - Xiao-Wei Qi
- Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, China
| | - Na Sun
- Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, China
| | - Yuan-Yuan Sun
- Institute of Toxicology, College of Preventive Medicine, Army Medical University, Chongqing 400038, China; Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130023, China
| | - Ye Zhang
- Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, China
| | - Xuan-Ni Tan
- Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, China
| | - Jun Ding
- Department of Hepatobiliary Surgery, Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China
| | - Fei Han
- Institute of Toxicology, College of Preventive Medicine, Army Medical University, Chongqing 400038, China.
| | - Yi Zhang
- Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing 400038, China.
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17
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Lin X, Han L, Gu C, Lai Y, Lai Q, Li Q, He C, Meng Y, Pan L, Liu S, Li A. MiR-452-5p promotes colorectal cancer progression by regulating an ERK/MAPK positive feedback loop. Aging (Albany NY) 2021; 13:7608-7626. [PMID: 33658394 PMCID: PMC7993669 DOI: 10.18632/aging.202657] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND MiR-452-5p plays an essential role in the development of a variety of tumors, but little is known about its biological function and mechanism in colorectal cancer (CRC). METHODS The expression levels of miR-452-5p in CRC tissues and cells were detected by real-time quantitative PCR (qRT-PCR). Besides, the biological effects of miR-452-5p on CRC were investigated by functional experiments in vitro and in vivo. Furthermore, bioinformatics analysis, dual-luciferase reporter assay, chromatin immunecipitation assay, western blotting and recovery experiments were implemented to investigate the underlying molecular mechanism. RESULTS The expression level of miR-452-5p was up-regulated in CRC tissues. MiR-452-5p promoted CRC cell proliferation, cell cycle transition and chemoresistance, and inhibited cell apoptosis. Moreover, miR-452-5p directly targeted PKN2 and DUSP6 and subsequently activated the ERK/MAPK signaling pathway, and it was transcriptionally regulated by c-Jun. CONCLUSION To conclude, miR-452-5p expression is up-regulated in CRC, which promotes the progression of CRC by activating the miR-452-5p-PKN2/DUSP6-c-Jun positive feedback loop. These findings indicate that miR-452-5p may act as a potential therapeutic target and clinical response biomarker for CRC.
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Affiliation(s)
- Xin Lin
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Lu Han
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Chuncai Gu
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yihong Lai
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Qiuhua Lai
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Qingyuan Li
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Chengcheng He
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yan Meng
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Lei Pan
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Side Liu
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Aimin Li
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
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Chen J, Zeng Y, Wu R, Xuan Y, Jiang M, Teng H. Decreased DUSP26 Expression Promotes Malignant Behavior in Glioblastoma Cells via Deregulation of MAPK and Akt Signaling Pathway. Front Oncol 2021; 11:622826. [PMID: 33718185 PMCID: PMC7947697 DOI: 10.3389/fonc.2021.622826] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/19/2021] [Indexed: 01/23/2023] Open
Abstract
Purpose Dual-specificity protein phosphatases 26 (DUSP26) is a recently identified phosphatase enzyme that regulates MAPK and Akt signaling pathways. The role of DUSP26 in the development and prognosis of high-grade gliomas (HGGs) and primary glioblastoma (GBM) has remained unclear and was the focus of this study. Materials and Methods The prognostic value of DUSP26 was assessed using retrospective analyses using online data sets and tissue microarray of HGGs. U251 and U87 cells modified to overexpress DUSP26 were utilized to study the role of DUSP26 in cell growth, migration, and cell apoptosis analyzed by CCK-8 assay, clonogenic, transwell migration, and TUNEL, respectively. The phosphorylation of proteins in MAPK and Akt signaling pathways was assayed by Western blot and immunofluorescence assays. Results Analyses using available online data sets and tissue microarray showed that DUSP26 is down-regulated in high-grade gliomas and GBM as compared to normal brain. Stratification of glioma patients based on DUSP26 expression level showed an inverse correlation between DUSP26 expression and patient survival. At the cellular level, DUSP26 overexpression led to decreased cell proliferation, migration, and senescence in U251 and U87 cells, whereas apoptosis was increased as compared to corresponding controls. Interestingly, the biologic effects of DUSP26 overexpression were associated with the dephosphorylation of proteins in the MAPK and Akt signaling pathways. Conclusions These findings suggest that the loss of DUSP26 expression, seen in a subset of high-grade gliomas and GBM patients, facilitates malignant behavior; and with inverse correlation between its expression levels with patient survival. DUSP26 can serve as an independent prognostic factor.
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Affiliation(s)
- Jiajia Chen
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yuecan Zeng
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rong Wu
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ying Xuan
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Min Jiang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hao Teng
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
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A Crosstalk Between Dual-Specific Phosphatases and Dual-Specific Protein Kinases Can Be A Potential Therapeutic Target for Anti-cancer Therapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1275:357-382. [PMID: 33539023 DOI: 10.1007/978-3-030-49844-3_14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
While protein tyrosine kinases (PTKs) play an initiative role in growth factor-mediated cellular processes, protein tyrosine phosphatases (PTPs) negatively regulates these processes, acting as tumor suppressors. Besides selective tyrosine dephosphorylation of PTKs via PTPs may affect oncogenic pathways during carcinogenesis. The PTP family contains a group of dual-specificity phosphatases (DUSPs) that regulate the activity of Mitogen-activated protein kinases (MAPKs), which are key effectors in the control of cell growth, proliferation and survival. Abnormal MAPK signaling is critical for initiation and progression stages of carcinogenesis. Since depletion of DUSP-MAPK phosphatases (MKPs) can reduce tumorigenicity, altering MAPK signaling by DUSP-MKP inhibitors could be a novel strategy in anti-cancer therapy. Moreover, Cdc25A is, a DUSP and a key regulator of the cell cycle, promotes cell cycle progression by dephosphorylating and activating cyclin-dependent kinases (CDK). Cdc25A-CDK pathway is a novel mechanism in carcinogenesis. Besides the mammalian target of rapamycin (mTOR) kinase inhibitors or mammalian target of rapamycin complex 1 (mTORC1) inhibition in combination with the dual phosphatidylinositol 3 kinase (PI3K)/mTOR or AKT kinase inhibitors are more effective in inhibiting the phosphorylation of eukaryotic translation initiation factor 4E-binding protein 1 (4E-BP1) and cap-dependent translation. Dual targeting of the Akt and mTOR signaling pathways regulates cellular growth, proliferation and survival. Like the Cdc2-like kinases (CLK), dual-specific tyrosine phosphorylation-regulated kinases (DYRKs) are essential for the regulation of cell fate. The crosstalk between dual-specific phosphatases and dual- specific protein kinases is a novel drug target for anti-cancer therapy. Therefore, the focus of this chapter involves protein kinase modules, critical biochemical checkpoints of cancer therapy and the synergistic effects of protein kinases and anti-cancer molecules.
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Qin S, Jiang J, Lu Y, Nice EC, Huang C, Zhang J, He W. Emerging role of tumor cell plasticity in modifying therapeutic response. Signal Transduct Target Ther 2020; 5:228. [PMID: 33028808 PMCID: PMC7541492 DOI: 10.1038/s41392-020-00313-5] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/25/2020] [Accepted: 08/30/2020] [Indexed: 02/07/2023] Open
Abstract
Resistance to cancer therapy is a major barrier to cancer management. Conventional views have proposed that acquisition of resistance may result from genetic mutations. However, accumulating evidence implicates a key role of non-mutational resistance mechanisms underlying drug tolerance, the latter of which is the focus that will be discussed here. Such non-mutational processes are largely driven by tumor cell plasticity, which renders tumor cells insusceptible to the drug-targeted pathway, thereby facilitating the tumor cell survival and growth. The concept of tumor cell plasticity highlights the significance of re-activation of developmental programs that are closely correlated with epithelial-mesenchymal transition, acquisition properties of cancer stem cells, and trans-differentiation potential during drug exposure. From observations in various cancers, this concept provides an opportunity for investigating the nature of anticancer drug resistance. Over the years, our understanding of the emerging role of phenotype switching in modifying therapeutic response has considerably increased. This expanded knowledge of tumor cell plasticity contributes to developing novel therapeutic strategies or combination therapy regimens using available anticancer drugs, which are likely to improve patient outcomes in clinical practice.
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Affiliation(s)
- Siyuan Qin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, 610041, Chengdu, People's Republic of China
| | - Jingwen Jiang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, 610041, Chengdu, People's Republic of China
| | - Yi Lu
- School of Medicine, Southern University of Science and Technology Shenzhen, Shenzhen, Guangdong, 518055, People's Republic of China
- Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, Guangdong, People's Republic of China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - Canhua Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, 610041, Chengdu, People's Republic of China.
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Road, 611137, Chengdu, People's Republic of China.
| | - Jian Zhang
- School of Medicine, Southern University of Science and Technology Shenzhen, Shenzhen, Guangdong, 518055, People's Republic of China.
- Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, Guangdong, People's Republic of China.
| | - Weifeng He
- State Key Laboratory of Trauma, Burn and Combined Injury, Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
- Chongqing Key Laboratory for Disease Proteomics, Chongqing, People's Republic of China.
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21
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Duan L, Yang W, Feng W, Cao L, Wang X, Niu L, Li Y, Zhou W, Zhang Y, Liu J, Zhang H, Zhao Q, Hong L, Fan D. Molecular mechanisms and clinical implications of miRNAs in drug resistance of colorectal cancer. Ther Adv Med Oncol 2020; 12:1758835920947342. [PMID: 32922521 PMCID: PMC7450467 DOI: 10.1177/1758835920947342] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 07/13/2020] [Indexed: 12/12/2022] Open
Abstract
Systemic chemotherapy is identified as a curative approach to prolong the survival time of patients with colorectal cancer (CRC). Although great progress in therapeutic approaches has been achieved during the last decades, drug resistance still extensively persists and serves as a major hurdle to effective anticancer therapy for CRC. The mechanism of multidrug resistance remains unclear. Recently, mounting evidence suggests that a great number of microRNAs (miRNAs) may contribute to drug resistance in CRC. Certain of these miRNAs may thus be used as promising biomarkers for predicting drug response to chemotherapy or serve as potential targets to develop personalized therapy for patients with CRC. This review mainly summarizes recent advances in miRNAs and the molecular mechanisms underlying miRNA-mediated chemoresistance in CRC. We also discuss the potential role of drug resistance-related miRNAs as potential biomarkers (diagnostic and prognostic value) and envisage the future orientation and challenges in translating the findings on miRNA-mediated chemoresistance of CRC into clinical applications.
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Affiliation(s)
- Lili Duan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wanli Yang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Weibo Feng
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Lu Cao
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Xiaoqian Wang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Liaoran Niu
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yiding Li
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wei Zhou
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yujie Zhang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Jinqiang Liu
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Hongwei Zhang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Qingchuan Zhao
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Liu Hong
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, 710032, China
| | - Daiming Fan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
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Peng W, Zhang C, Peng J, Huang Y, Peng C, Tan Y, Ji D, Zhang Y, Zhang D, Tang J, Feng Y, Sun Y. Lnc-FAM84B-4 acts as an oncogenic lncRNA by interacting with protein hnRNPK to restrain MAPK phosphatases-DUSP1 expression. Cancer Lett 2020; 494:94-106. [PMID: 32866608 DOI: 10.1016/j.canlet.2020.08.036] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/01/2020] [Accepted: 08/25/2020] [Indexed: 12/11/2022]
Abstract
The mitogen activated protein kinase (MAPK) pathway has been reported to be involved in many cancer developments. Normally, MAPK activity is self-limited between rapid phosphorylation and dephosphorylation. In abnormal conditions, however, this dynamic equilibrium is broken, trigging tumor-suppressing or -promoting roles. While dual-specificity MAPK phosphatases (MKP/DUSPs) are important for cascade control in MAPK pathway, their role in colorectal cancer (CRC) remains largely unknown. Here, we investigated lnc-FAM84B-4 and DUSP1 to systematically elucidate their underlying roles in MAPK singling pathway and functions in CRC. Upregulated lnc-FAM84B-4 was identified by re-mining CRC microarray. Functional assays were performed in vitro and in vivo. RNA-Seq, RNA pull-down, and RIP assays were used to investigate the mechanisms of Lnc-FAM84B-4 in regulating expression of DUSP1. The results indicated that Lnc-FAM84B-4 regulates MAPK pathway by restraining DUSP1 expression. Mechanistically, RNA pull-down followed by mass spectrum determined hnRNPK functions as a binding partner of lnc-FAM84B-4 in mediating DUSP1 expression. Our findings demonstrate the important role of lnc-FAM84B-4-hnRNPK-DUSP1 axis in CRC development, and suggest a therapeutic target for CRC treatment.
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Affiliation(s)
- Wen Peng
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Chuan Zhang
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Jianing Peng
- Nanjing Foreign Language School, British Columbia Academy, Nanjing, Jiangsu, 210008, PR China
| | - Yuanjian Huang
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Chaofan Peng
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Yuqian Tan
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Dongjian Ji
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Yue Zhang
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Dongsheng Zhang
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China
| | - Junwei Tang
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China.
| | - Yifei Feng
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China.
| | - Yueming Sun
- The First School of Clinical Medicine, Nanjing Medical University, PR China, Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, PR China.
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Munro MJ, Peng L, Wickremesekera SK, Tan ST. Colon adenocarcinoma-derived cells that express induced-pluripotent stem cell markers possess stem cell function. PLoS One 2020; 15:e0232934. [PMID: 32428045 PMCID: PMC7236985 DOI: 10.1371/journal.pone.0232934] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 04/22/2020] [Indexed: 01/03/2023] Open
Abstract
AIMS Much work has been done to find markers of cancer stem cells (CSCs) that distinguish them from the tumor bulk cells and normal cells. Recent CSC research has applied the induced pluripotent stem cell (iPSC) concept. In this study, we investigated the expression of a panel of iPSC markers in primary colon adenocarcinoma (CA)-derived cell lines. MATERIALS AND METHODS Expression of iPSC markers by CA-derived primary cell lines was interrogated using immunocytochemistry, western blotting and RT-qPCR. The stem cell function of these cells was then assessed in vitro using differentiation and tumorsphere assays. RESULTS Expression of iPSC markers OCT4, SOX2, NANOG, KLF4 and c-MYC was more widespread in high-grade CA (HGCA) cell lines than low-grade CA (LGCA) cell lines, as demonstrated by western blotting and RT-qPCR. These cells could be induced to differentiate down the three embryonic lineages. Cells derived from HGCA were more capable of forming tumorspheres than those derived from LGCA. EpCAM sorting revealed that a population enriched for EpCAMHigh cells formed larger tumorspheres than EpCAMLow cells. Pluripotency markers, SSEA4 and TRA-1-60, were co-expressed by a small subpopulation of cells that also co-expressed SOX2 in 75% and OCT4 in 50% of the cell lines. CONCLUSIONS CA-derived primary cell lines contain tumorsphere-forming cells which express key pluripotency genes and can differentiate down 3 embryonic lineages, suggesting a pluripotent CSC-like phenotype. There appear to be two iPSC-like subpopulations, one with high EpCAM expression which forms larger tumorspheres than another with low EpCAM expression. Furthermore, these cells can be characterized based on iPSC marker expression, as we have previously demonstrated in the original CA tumor tissues.
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Affiliation(s)
- Matthew J. Munro
- Gillies McIndoe Research Institute, Wellington, New Zealand
- School of Biological Sciences and Centre for Biodiscovery, Victoria University of Wellington, Wellington, New Zealand
| | - Lifeng Peng
- School of Biological Sciences and Centre for Biodiscovery, Victoria University of Wellington, Wellington, New Zealand
| | - Susrutha K. Wickremesekera
- Gillies McIndoe Research Institute, Wellington, New Zealand
- Department of General Surgery, Upper Gastrointestinal, Hepatobiliary & Pancreatic Section, Wellington Regional Hospital, Wellington, New Zealand
| | - Swee T. Tan
- Gillies McIndoe Research Institute, Wellington, New Zealand
- Wellington Regional Plastic, Maxillofacial & Burns Unit, Hutt Hospital, Lower Hutt, New Zealand
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
- * E-mail:
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Ravindran Menon D, Hammerlindl H, Torrano J, Schaider H, Fujita M. Epigenetics and metabolism at the crossroads of stress-induced plasticity, stemness and therapeutic resistance in cancer. Theranostics 2020; 10:6261-6277. [PMID: 32483452 PMCID: PMC7255038 DOI: 10.7150/thno.42523] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 02/13/2020] [Indexed: 12/12/2022] Open
Abstract
Despite the recent advances in the treatment of cancers, acquired drug resistance remains a major challenge in cancer management. While earlier studies suggest Darwinian factors driving acquired drug resistance, recent studies point to a more dynamic process involving phenotypic plasticity and tumor heterogeneity in the evolution of acquired drug resistance. Chronic stress after drug treatment induces intrinsic cellular reprogramming and cancer stemness through a slow-cycling persister state, which subsequently drives cancer progression. Both epigenetic and metabolic mechanisms play an important role in this dynamic process. In this review, we discuss how epigenetic and metabolic reprogramming leads to stress-induced phenotypic plasticity and acquired drug resistance, and how the two reprogramming mechanisms crosstalk with each other.
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Chen PS, Chiu WT, Hsu PL, Lin SC, Peng IC, Wang CY, Tsai SJ. Pathophysiological implications of hypoxia in human diseases. J Biomed Sci 2020; 27:63. [PMID: 32389123 PMCID: PMC7212687 DOI: 10.1186/s12929-020-00658-7] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 05/06/2020] [Indexed: 12/11/2022] Open
Abstract
Oxygen is essentially required by most eukaryotic organisms as a scavenger to remove harmful electron and hydrogen ions or as a critical substrate to ensure the proper execution of enzymatic reactions. All nucleated cells can sense oxygen concentration and respond to reduced oxygen availability (hypoxia). When oxygen delivery is disrupted or reduced, the organisms will develop numerous adaptive mechanisms to facilitate cells survived in the hypoxic condition. Normally, such hypoxic response will cease when oxygen level is restored. However, the situation becomes complicated if hypoxic stress persists (chronic hypoxia) or cyclic normoxia-hypoxia phenomenon occurs (intermittent hypoxia). A series of chain reaction-like gene expression cascade, termed hypoxia-mediated gene regulatory network, will be initiated under such prolonged or intermittent hypoxic conditions and subsequently leads to alteration of cellular function and/or behaviors. As a result, irreversible processes occur that may cause physiological disorder or even pathological consequences. A growing body of evidence implicates that hypoxia plays critical roles in the pathogenesis of major causes of mortality including cancer, myocardial ischemia, metabolic diseases, and chronic heart and kidney diseases, and in reproductive diseases such as preeclampsia and endometriosis. This review article will summarize current understandings regarding the molecular mechanism of hypoxia in these common and important diseases.
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Affiliation(s)
- Pai-Sheng Chen
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China.,Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China
| | - Wen-Tai Chiu
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China
| | - Pei-Ling Hsu
- Department of Physiology, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China
| | - Shih-Chieh Lin
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China
| | - I-Chen Peng
- Department of Life Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China
| | - Chia-Yih Wang
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China.,Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China
| | - Shaw-Jenq Tsai
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China. .,Department of Physiology, College of Medicine, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, Republic of China.
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26
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Li G, Li B, Song J, Wang N, Gao Z. Endomorphin-2 Analog Inhibits the Growth of DLD-1 and RKO Human Colon Cancer Cells by Inducing Cell Apoptosis. Med Sci Monit 2020; 26:e921251. [PMID: 32336747 PMCID: PMC7199432 DOI: 10.12659/msm.921251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background In developed countries, colon cancer is a leading cause of cancer-associated mortality. Dietary changes have resulted in an increased incidence of colon cancer in Asia. This study aimed to investigate the effects of the structural analog of endomorphin-2 (H-Tyr-Pro-Phe-Phe-NH2) on human colon cancer cells in vitro. Material/Methods Human DLD-1 and RKO colon cancer cells and CCD-18Co normal human colonic fibroblasts were treated with increasing doses of the structural analog of endomorphin-2. Cells underwent the MTT assay, fluorescence confocal flow cytometry, and Hoechst 33258 staining to investigate cell proliferation, the cell cycle, and apoptosis. Western blot was used to measure the expression levels of poly(ADP-ribose) polymerase-1 (PARP-1), cytochrome c, caspase-3, and caspase-9. The 2′,7′-dichlorofluorescein diacetate (DCFH-DA) fluorescence method measured reactive oxygen species (ROS). Results Cell proliferation of DLD-1 and RKO cells was inhibited by the endomorphin-2 analog in a dose-dependent manner, and a 100 μM dose reduced DLD-1 and RKO cell proliferation by 28% and 23%, respectively, at 72 h. Endomorphin-2 analog induced cell apoptosis and the generation of ROS, activated caspase-3 and caspase-9, and increased the levels of p53 and cytochrome c release, and down-regulated of Akt activation in DLD-1 and RKO cells in a dose-dependent manner. Treatment of the DLD-1 and RKO cells with the endomorphin-2 analog increased the expression of Bax and reduced the expression of Bcl-2. Conclusions Endomorphin-2 analog inhibited colon cancer cell proliferation, activated apoptosis, and down-regulated Akt phosphorylation of human DLD-1 and RKO colon cancer cells in vitro in a dose-dependent manner.
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Affiliation(s)
- Guanghua Li
- Department of Gastrointestinal Surgery, The Second Hospital of Shandong University, Jinan, Shandong, China (mainland)
| | - Bo Li
- Department of Electrocardiography, Peoples' Hospital of Zhangqiu, Jinan, Shandong, China (mainland)
| | - Jingang Song
- Department of General Surgery, Dezhou Peoples' Hospital, Dezhou, Shandong, China (mainland)
| | - Na Wang
- Department of Oncology, Peoples' Hospital of Zhangqiu, Jinan, Shandong, China (mainland)
| | - Zhuanglei Gao
- Department of Gastrointestinal Surgery, The Second Hospital of Shandong University, Jinan, Shandong, China (mainland)
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Zhao H, Mu X, Zhang X, You Q. Lung Cancer Inhibition by Betulinic Acid Nanoparticles via Adenosine 5'-Triphosphate (ATP)-Binding Cassette Transporter G1 Gene Downregulation. Med Sci Monit 2020; 26:e922092. [PMID: 32277808 PMCID: PMC7169437 DOI: 10.12659/msm.922092] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Despite scientific advancement in radiotherapy and chemotherapy, the 5-year survival rate of lung cancer patients is around 15%. The present study explored the anticancer potential of betulinic acid nanoparticles against lung cancer cells. MATERIAL AND METHODS The proliferative changes in lung cancer cells by betulinic acid nanoparticles were measured by MTT assay. Cell cycle analysis was performed by flow cytometry using propidium iodide stain. Transwell and wound healing assay were used for determination of HKULC2 cell metastatic potential. RESULTS The betulinic acid nanoparticle treatment significantly (P<0.05) reduced proliferation of HKULC2, H1299, and H23 cells. The proliferation of HKULC2, H1299, and H23 cells was reduced to 33%, 28% and 24%, respectively on treatment with 10 µM of betulinic acid nanoparticles. The results from flow cytometry showed that betulinic acid nanoparticle exposure lead to cell cycle arrest in G1 phase in HKULC2 cells. Treatment with betulinic acid nanoparticles markedly decreased migration potential of HKULC2 cells. The invasive ability of HKULC2 cells was also suppressed markedly on exposure to betulinic acid nanoparticles. Western blotting of HKULC2 cells showed that betulinic acid nanoparticles promoted the expression of p21 and p53 and downregulated CD133, ALDH, BCL2, MCL1, and c-Myc expression. Betulinic acid nanoparticles reduced the expression of ABCG1 protein markedly. CONCLUSIONS The present study demonstrated that betulinic acid nanoparticles inhibit proliferation, metastatic ability, and arrest cell cycle in lung cancer cells through downregulation of ABCG1 oncogene expression. Therefore, betulinic acid nanoparticles may be used as therapeutic agent for the treatment of lung cancer.
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Affiliation(s)
- Hao Zhao
- Department of Thoracic Surgery, The Second Hospital of Shandong University, Jinan, Shandong, China (mainland)
| | - Xiaoyan Mu
- Department of Traumatic Orthopaedic Brotherhood of Surgical, The Second Hospital of Shandong University, Jinan, Shandong, China (mainland)
| | - Xiaopeng Zhang
- Supply Room, The Second Hospital of Shandong University, Jinan, Shandong, China (mainland)
| | - Qingyong You
- Department of Thoracic Surgery, The Second Hospital of Shandong University, Jinan, Shandong, China (mainland)
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Wang CA, Chang IH, Hou PC, Tai YJ, Li WN, Hsu PL, Wu SR, Chiu WT, Li CF, Shan YS, Tsai SJ. DUSP2 regulates extracellular vesicle-VEGF-C secretion and pancreatic cancer early dissemination. J Extracell Vesicles 2020; 9:1746529. [PMID: 32341770 PMCID: PMC7170376 DOI: 10.1080/20013078.2020.1746529] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 02/17/2020] [Accepted: 03/13/2020] [Indexed: 12/21/2022] Open
Abstract
Early dissemination is a unique characteristic and a detrimental process of pancreatic ductal adenocarcinoma (PDAC); however, the underlying mechanism remains largely unknown. Here, we investigate the role of dual-specificity phosphatase-2 (DUSP2)-vascular endothelial growth factor-C (VEGF-C) axis in mediating PDAC lymphangiogenesis and lymphovascular invasion. Expression of DUSP2 is greatly suppressed in PDAC, which results in increased aberrant expression of extracellular vesicle (EV)-associated VEGF-C secretion. EV-VEGF-C exerts paracrine effects on lymphatic endothelial cells and autocrine effects on cancer cells, resulting in the lymphovascular invasion of cancer cells. Tissue-specific knockout of Dusp2 in mouse pancreas recapitulates PDAC phenotype and lymphovascular invasion. Mechanistically, loss-of-DUSP2 enhances proprotein convertase activity and vesicle trafficking to promote the release of the mature form of EV-VEGF-C. Collectively, these findings represent a conceptual advance in understanding pancreatic cancer lymphovascular invasion and suggest that loss-of-DUSP2-mediated VEGF-C processing may play important roles in early dissemination of pancreatic cancer. Abbreviations: DUSP2: dual-specificity phosphatase-2; VEGF-C: vascular endothelial growth factor-C; EV: extracellular vesicles; PDAC: pancreatic ductal adenocarcinoma; KD: knockdown
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Affiliation(s)
- Chu-An Wang
- Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - I-Heng Chang
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Livestock Research Institute, Council of Agriculture, Tainan, Taiwan
| | - Pei-Chi Hou
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Jing Tai
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wan-Ning Li
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Pei-Ling Hsu
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Shang-Rung Wu
- Institute of Oral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Tai Chiu
- Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Chien-Feng Li
- Department of Pathology, Chi-Mei Foundational Medical Center, Tainan, Taiwan.,National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan
| | - Yan-Shen Shan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Surgery, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Shaw-Jenq Tsai
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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29
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Intravenous leiomyomatosis: molecular analysis of 17 cases. Pathology 2019; 52:213-217. [PMID: 31889549 DOI: 10.1016/j.pathol.2019.10.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/15/2019] [Accepted: 10/20/2019] [Indexed: 12/12/2022]
Abstract
Intravenous leiomyomatosis (IVL) is a rare smooth muscle tumour with a benign histology but with a quasi-malignant intravascular growth. In this study, we investigated the molecular alterations in 17 IVL cases composed of concurrent uterine leiomyoma (n=12), uterine IVL (n=17) and extra-uterine IVL (n=12). We found that eight tumours had a somatic MED12 mutation (c.130G>A, p.G44S, n=7; c.131G>C, p.G44A, n=1). The frequency of MED12 mutations was significantly higher in concurrent uterine leiomyoma (6/12, 50%) than in uterine (0/17, 0%) and extra-uterine IVL (2/12, 16.7%). The frequency of HMGA2 over-expression or MED12 low-expression was not significantly different among uterine leiomyoma, IVL and extra-uterine IVL (p>0.05). Short tandem repeat (STR) analysis indicated that one uterine and two extra-uterine IVL tumours from three patients were microsatellite instability positive (MSI+) whereas loss of heterozygosity (LOH) was found in one uterine leiomyoma, three uterine and three extra-uterine IVL tumours from five patients. LOH was more frequently seen in uterine/extra-uterine IVL tumours (6/20, 30%) than in the concurrent leiomyomas (1/7, 14.3%) (p<0.05). MED12 mutation, MSI and LOH were discordant between uterine and extra-uterine IVL in all patients. These findings suggest that IVL harbours distinct molecular pathogenesis from common uterine leiomyomas. Uterine IVL and extra-uterine tumours may represent an independent origin rather than uniclonal dissemination from a single tumour. Further investigations are warranted to explore the underlying key molecular events in the pathogenesis of IVL.
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30
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Najafi M, Farhood B, Mortezaee K, Kharazinejad E, Majidpoor J, Ahadi R. Hypoxia in solid tumors: a key promoter of cancer stem cell (CSC) resistance. J Cancer Res Clin Oncol 2019; 146:19-31. [PMID: 31734836 DOI: 10.1007/s00432-019-03080-1] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 11/08/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE Cancer stem cells (CSCs) are highly tumorigenic cell types that reside within specific areas of tumor microenvironment (TME), and are endowed with self-renewal and resistance properties. Here, we aimed to discuss mechanisms involved in hypoxia-derived CSC resistance and targeting for effective cancer therapy. RESULTS Preferential localization within hypoxic niches would help CSCs develop adaptive mechanisms, mediated through the modification of responses to various stressors and, as a result, show a more aggressive behavior. CONCLUSION Hypoxia, in fact, serves as a multi-tasking strategy to nurture CSCs with this adaptive capacity, complexing targeted therapies.
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Affiliation(s)
- Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Bagher Farhood
- Departments of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Keywan Mortezaee
- Cancer and Immunology Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran. .,Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran.
| | - Ebrahim Kharazinejad
- Department of Anatomy, Faculty of Medicine, Abadan University of Medical Sciences, Abadan, Iran
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Ahadi
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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31
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2-Amino-4-(1-piperidine) pyridine exhibits inhibitory effect on colon cancer through suppression of FOXA2 expression. 3 Biotech 2019; 9:384. [PMID: 31656722 DOI: 10.1007/s13205-019-1915-1] [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: 07/30/2019] [Accepted: 09/21/2019] [Indexed: 12/27/2022] Open
Abstract
The present study was aimed to investigate the effect of 2-amino-4-(1-piperidine) pyridine on migration and invasion of colon cancer cells. Treatment of colon cancer cells with 2-amino-4-(1-piperidine) pyridine reduced viability in concentration-based manner. The migration potential of HCT116 and HT29 cells was also suppressed on treatment with 2-amino-4-(1-piperidine) pyridine. In HCT116 and HT29 cells, apoptotic cell proportion was increased significantly by 2-amino-4-(1-piperidine) pyridine treatment. The expression of EMT and Vimentin in HCT116 and HT29 cells was reduced markedly on treatment with 2-amino-4-(1-piperidine) pyridine. The expression of E-cadherin was increased in HCT116 and HT29 cells by 2-amino-4-(1-piperidine) pyridine treatment. Treatment with 2-amino-4-(1-piperidine) pyridine reduced the expression of FOXA2 in HCT116 and HT29 cells. The 2-amino-4-(1-piperidine) pyridine treatment reduced growth of tumor in vivo in mice model. In summary, 2-amino-4-(1-piperidine) pyridine treatment inhibits colon cancer cell proliferation through down-regulation of FOXA2 expression. Therefore, 2-amino-4-(1-piperidine) pyridine can be used for the treatment of colon cancer.
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32
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Sun HR, Wang S, Yan SC, Zhang Y, Nelson PJ, Jia HL, Qin LX, Dong QZ. Therapeutic Strategies Targeting Cancer Stem Cells and Their Microenvironment. Front Oncol 2019; 9:1104. [PMID: 31709180 PMCID: PMC6821685 DOI: 10.3389/fonc.2019.01104] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 10/07/2019] [Indexed: 12/12/2022] Open
Abstract
Cancer stem cells (CSCs) have been demonstrated in a variety of tumors and are thought to act as a clonogenic core for the genesis of new tumor growth. This small subpopulation of cancer cells has been proposed to help drive tumorigenesis, metastasis, recurrence and conventional therapy resistance. CSCs show self-renewal and flexible clonogenic properties and help define specific tumor microenvironments (TME). The interaction between CSCs and TME is thought to function as a dynamic support system that fosters the generation and maintenance of CSCs. Investigation of the interaction between CSCs and the TME is shedding light on the biologic mechanisms underlying the process of tumor malignancy, metastasis, and therapy resistance. We summarize recent advances in CSC biology and their environment, and discuss the challenges and future strategies for targeting this biology as a new therapeutic approach.
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Affiliation(s)
- Hao-Ran Sun
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
| | - Shun Wang
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
| | - Shi-Can Yan
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu Zhang
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
| | - Peter J Nelson
- Medizinische Klinik und Poliklinik IV, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Hu-Liang Jia
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
| | - Lun-Xiu Qin
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
| | - Qiong-Zhu Dong
- Department of General Surgery, Cancer Metastasis Institute, Institutes of Biomedical Sciences, Huashan Hospital, Fudan University, Shanghai, China
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Najafi M, Mortezaee K, Majidpoor J. Cancer stem cell (CSC) resistance drivers. Life Sci 2019; 234:116781. [PMID: 31430455 DOI: 10.1016/j.lfs.2019.116781] [Citation(s) in RCA: 245] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/02/2019] [Accepted: 08/16/2019] [Indexed: 02/07/2023]
Abstract
Cancer stem cells (CSCs) are a population of self-renewal cells with high tumorigenic potency. CSCs can adopt easily with changes in the nearby milieu, and are more resistant to conventional therapies than other cells within a tumor. CSC resistance can be induced secondary to radio- and chemotherapy, or even after chemotherapy secession. A combination of both intrinsic and extrinsic factors is contributed to CSC-mediated therapy resistance. CSCs represent protective autophagy and efficient cell cycling, along with highly qualified epithelial-mesenchymal transition (EMT) regulators, reactive oxygen species (ROS) scavengers, drug transporters, and anti-apoptotic and DNA repairing systems. In addition, CSCs develop cross-talking and share some characteristics with other cells within the tumor microenvironment (TME) being more intense in higher stage tumors, and thereby sophisticating tumor-targeted therapies. TME, in fact, is a nest for aggravating resistance mechanisms in CSCs. TME is exposed constantly to the nutritional, metabolic and oxygen deprivation; these conditions promote CSC adaptation. This review is aimed to discuss main (intrinsic and extrinsic) mechanisms of CSC resistance and suggest some strategies to revoke this important promoter of therapy failure.
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Affiliation(s)
- Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran; Cancer and Immunology Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran.
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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34
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Wang MY, Qiu YH, Cai ML, Zhang CH, Wang XW, Liu H, Chen Y, Zhao WL, Liu JB, Shao RG. Role and molecular mechanism of stem cells in colorectal cancer initiation. J Drug Target 2019; 28:1-10. [PMID: 31244351 DOI: 10.1080/1061186x.2019.1632317] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In recent years, the rate of colorectal cancer has sharply increased, especially in China, where it ranks second for the number of cancer fatalities. Currently, the treatment of colorectal cancer patients involves the combination of resection surgery and treatment with postoperative anticancer drugs such as 5-FU and oxaliplatin. However, recurrence and metastasis after treatment are still the dominant reasons for the low survival rate. Colorectal cancer stem cells (CSCs) are regarded as the key contributors to tumour recurrence and metastasis due to their resistance to chemotherapy drugs and their extremely high tumourigenicity. Once CSCs overcome chemotherapy treatment, they continue to survive and reinitiate proliferation to form tumours, leading to recurrence. The dominant reason for CSC resistance is that most anticancer drugs are aimed at inhibiting proliferative pathways in cancer cells that differ from those in CSCs. Therefore, studies on the characteristics of CSCs and their intracellular molecular pathways are essential for the exploration of CSC-targeted drugs. In this report, we review recent advances in the research of CSCs and, in particular, review the important intracellular molecular pathways, such as HOXA5-catenin, STRAP-NOTCH and YAP/TAZ, related to the maintenance and differentiation of stem cells to generate a theoretical basis for the exploration of CSC-targeted drugs.
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Affiliation(s)
- Meng-Yan Wang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Yu-Han Qiu
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Mei-Lian Cai
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Cong-Hui Zhang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao-Wei Wang
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Hong Liu
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Yi- Chen
- College of Pharmaceutical Sciences & Chinese Medicine, Southwest University, Chongqing, China
| | - Wu-Li Zhao
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Jing-Bo Liu
- Department of Urology, Dongzhimen Hospital Beijing University of Chinese Medicine, Beijing, People's Republic of China
| | - Rong-Guang Shao
- Key Laboratory of Antibiotic Bioengineering, Ministry of Health, Laboratory of Oncology, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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Regulation of Dual-Specificity Phosphatase (DUSP) Ubiquitination and Protein Stability. Int J Mol Sci 2019; 20:ijms20112668. [PMID: 31151270 PMCID: PMC6600639 DOI: 10.3390/ijms20112668] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/28/2019] [Accepted: 05/29/2019] [Indexed: 12/21/2022] Open
Abstract
Mitogen-activated protein kinases (MAPKs) are key regulators of signal transduction and cell responses. Abnormalities in MAPKs are associated with multiple diseases. Dual-specificity phosphatases (DUSPs) dephosphorylate many key signaling molecules, including MAPKs, leading to the regulation of duration, magnitude, or spatiotemporal profiles of MAPK activities. Hence, DUSPs need to be properly controlled. Protein post-translational modifications, such as ubiquitination, phosphorylation, methylation, and acetylation, play important roles in the regulation of protein stability and activity. Ubiquitination is critical for controlling protein degradation, activation, and interaction. For DUSPs, ubiquitination induces degradation of eight DUSPs, namely, DUSP1, DUSP4, DUSP5, DUSP6, DUSP7, DUSP8, DUSP9, and DUSP16. In addition, protein stability of DUSP2 and DUSP10 is enhanced by phosphorylation. Methylation-induced ubiquitination of DUSP14 stimulates its phosphatase activity. In this review, we summarize the knowledge of the regulation of DUSP stability and ubiquitination through post-translational modifications.
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36
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Yin H, He W, Li Y, Xu N, Zhu X, Lin Y, Gou X. Loss of DUSP2 predicts a poor prognosis in patients with bladder cancer. Hum Pathol 2019; 85:152-161. [DOI: 10.1016/j.humpath.2018.11.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 11/02/2018] [Accepted: 11/07/2018] [Indexed: 12/31/2022]
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37
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Ullmann P, Nurmik M, Schmitz M, Rodriguez F, Weiler J, Qureshi-Baig K, Felten P, Nazarov PV, Nicot N, Zuegel N, Haan S, Letellier E. Tumor suppressor miR-215 counteracts hypoxia-induced colon cancer stem cell activity. Cancer Lett 2019; 450:32-41. [PMID: 30790680 DOI: 10.1016/j.canlet.2019.02.030] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 02/08/2019] [Accepted: 02/14/2019] [Indexed: 12/11/2022]
Abstract
Cancer stem cells, also known as tumor-initiating cells (TICs), are a population of aggressive and self-renewing cells that are responsible for the initiation and progression of many cancers, including colorectal carcinoma. Intratumoral hypoxia, i.e. reduced oxygen supply following uncontrolled proliferation of cancer cells, is thought to support TIC activity by inducing specific hypoxia-responsive mechanisms that are not yet entirely understood. Using previously established and fully characterized patient-derived TIC cultures, we could observe increased sphere and colony formation under hypoxic conditions. Mechanistically, microRNA (miRNA)-profiling experiments allowed us to identify miR-215 as one of the main hypoxia-induced miRNAs in primary colon TICs. Through stable overexpression of miR-215, followed by a set of functional in vitro and in vivo investigations, miR-215 was pinpointed as a negative feedback regulator, working against the TIC-promoting effects of hypoxia. Furthermore, we could single out LGR5, a bona fide marker of non-neoplastic intestinal stem cells, as a downstream target of hypoxia/miR-215 signaling. The strong tumor- and TIC-suppressor potential of miR-215 and the regulatory role of the hypoxia/miR-215/LGR5 axis may thus represent interesting points of attack for the development of innovative anti-CSC therapy approaches.
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Affiliation(s)
- Pit Ullmann
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Martin Nurmik
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Martine Schmitz
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Fabien Rodriguez
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Jil Weiler
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Komal Qureshi-Baig
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Paul Felten
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Petr V Nazarov
- Proteome and Genome Research Unit, Department of Oncology, Luxembourg Institute of Health, 1A-B Rue Thomas Edison, L-1445, Strassen, Luxembourg
| | - Nathalie Nicot
- Proteome and Genome Research Unit, Department of Oncology, Luxembourg Institute of Health, 1A-B Rue Thomas Edison, L-1445, Strassen, Luxembourg
| | - Nikolaus Zuegel
- Centre Hospitalier Emile Mayrisch, Rue Emile Mayrisch, L-4240, Esch-sur-Alzette, Luxembourg
| | - Serge Haan
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg
| | - Elisabeth Letellier
- Molecular Disease Mechanisms Group, Life Sciences Research Unit, University of Luxembourg, 6 Avenue Du Swing, L-4367, Belvaux, Luxembourg.
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Soft fibrin matrix downregulates DAB2IP to promote Nanog-dependent growth of colon tumor-repopulating cells. Cell Death Dis 2019; 10:151. [PMID: 30770783 PMCID: PMC6377646 DOI: 10.1038/s41419-019-1309-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 12/17/2018] [Accepted: 01/04/2019] [Indexed: 01/08/2023]
Abstract
Colon cancer stem cells (CSCs) have been shown to be responsible for the recurrence and metastasis of colorectal cancer (CRC). As a crucial microenvironmental factor, extracellular matrix (ECM) stiffness is known to affect the stemness of CSCs. Recently, fibrin deposition in the stroma of CRC was demonstrated to be responsible for tumor development. In this study, we used salmon fibrin gel to provide a 3D ECM for colon cancer cells and investigated its effects on cell growth as well as the underlying mechanisms. Compared with stiff 420 Pascal (Pa) and 1 050 Pa gels, 90 Pa soft fibrin gel was most efficient at isolating and enriching tumor colonies. The size and number of colony formation negatively correlated with gel stiffness. Specifically, these tumor colonies exhibited efficient tumorigenicity, upregulated stem cell markers, and had anti-chemotherapeutic properties and were thus named tumor-repopulating cells (TRCs). More importantly, the self-renewal molecule Nanog was sharply induced in 3D-cultured colon TRCs; further, Nanog siRNA significantly inhibited colony formation, suggesting the indispensable role of Nanog in TRC growth. A subsequent mechanistic study illustrated that Nanog expression could be modulated through fibrin gel stiffness-induced DAB2IP/PI3K/FOXA1 signaling in colon TRCs.
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Role of protein phosphatases in the cancer microenvironment. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:144-152. [DOI: 10.1016/j.bbamcr.2018.07.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 06/29/2018] [Accepted: 07/11/2018] [Indexed: 12/15/2022]
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40
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Hypoxia-inducible factors promote breast cancer stem cell specification and maintenance in response to hypoxia or cytotoxic chemotherapy. Adv Cancer Res 2019; 141:175-212. [PMID: 30691683 DOI: 10.1016/bs.acr.2018.11.001] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Clinical studies have revealed that breast cancers contain regions of intratumoral hypoxia (reduced oxygen availability), which activates hypoxia-inducible factors (HIFs). The relationship between intratumoral hypoxia, distant metastasis and cancer mortality has been well established. A major mechanism by which intratumoral hypoxia contributes to disease progression is through induction of the breast cancer stem cell (BCSC) phenotype. BCSCs are a small subpopulation of cells with the capability for self-renewal. BCSCs have been implicated in resistance to chemotherapy, disease recurrence, and metastasis. In this review, we will discuss our current understanding of the molecular mechanisms underlying HIF-dependent induction of the BCSC phenotype in response to hypoxia or chemotherapy.
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Hashemi Goradel N, Najafi M, Salehi E, Farhood B, Mortezaee K. Cyclooxygenase-2 in cancer: A review. J Cell Physiol 2018; 234:5683-5699. [PMID: 30341914 DOI: 10.1002/jcp.27411] [Citation(s) in RCA: 452] [Impact Index Per Article: 75.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 08/22/2018] [Indexed: 12/17/2022]
Abstract
Cyclooxygenase-2 (COX-2) is frequently expressed in many types of cancers exerting a pleiotropic and multifaceted role in genesis or promotion of carcinogenesis and cancer cell resistance to chemo- and radiotherapy. COX-2 is released by cancer-associated fibroblasts (CAFs), macrophage type 2 (M2) cells, and cancer cells to the tumor microenvironment (TME). COX-2 induces cancer stem cell (CSC)-like activity, and promotes apoptotic resistance, proliferation, angiogenesis, inflammation, invasion, and metastasis of cancer cells. COX-2 mediated hypoxia within the TME along with its positive interactions with YAP1 and antiapoptotic mediators are all in favor of cancer cell resistance to chemotherapeutic drugs. COX-2 exerts most of the functions through its metabolite prostaglandin E2. In some and limited situations, COX-2 may act as an antitumor enzyme. Multiple signals are contributed to the functions of COX-2 on cancer cells or its regulation. Members of mitogen-activated protein kinase (MAPK) family, epidermal growth factor receptor (EGFR), and nuclear factor-κβ are main upstream modulators for COX-2 in cancer cells. COX-2 also has interactions with a number of hormones within the body. Inhibition of COX-2 provides a high possibility to exert therapeutic outcomes in cancer. Administration of COX-2 inhibitors in a preoperative setting could reduce the risk of metastasis in cancer patients. COX-2 inhibition also sensitizes cancer cells to treatments like radio- and chemotherapy. Chemotherapeutic agents adversely induce COX-2 activity. Therefore, choosing an appropriate chemotherapy drugs along with adjustment of the type and does for COX-2 inhibitors based on the type of cancer would be an effective adjuvant strategy for targeting cancer.
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Affiliation(s)
- Nasser Hashemi Goradel
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Eniseh Salehi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Farhood
- Departments of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
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Seternes OM, Kidger AM, Keyse SM. Dual-specificity MAP kinase phosphatases in health and disease. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1866:124-143. [PMID: 30401534 PMCID: PMC6227380 DOI: 10.1016/j.bbamcr.2018.09.002] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/15/2018] [Accepted: 09/06/2018] [Indexed: 02/07/2023]
Abstract
It is well established that a family of dual-specificity MAP kinase phosphatases (MKPs) play key roles in the regulated dephosphorylation and inactivation of MAP kinase isoforms in mammalian cells and tissues. MKPs provide a mechanism of spatiotemporal feedback control of these key signalling pathways, but can also mediate crosstalk between distinct MAP kinase cascades and facilitate interactions between MAP kinase pathways and other key signalling modules. As our knowledge of the regulation, substrate specificity and catalytic mechanisms of MKPs has matured, more recent work using genetic models has revealed key physiological functions for MKPs and also uncovered potentially important roles in regulating the pathophysiological outcome of signalling with relevance to human diseases. These include cancer, diabetes, inflammatory and neurodegenerative disorders. It is hoped that this understanding will reveal novel therapeutic targets and biomarkers for disease, thus contributing to more effective diagnosis and treatment for these debilitating and often fatal conditions. A comprehensive review of the dual-specificity MAP kinase Phosphatases (MKPs) Focus is on MKPs in the regulation of MAPK signalling in health and disease. Covers roles of MKPs in inflammation, obesity/diabetes, cancer and neurodegeneration
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Affiliation(s)
- Ole-Morten Seternes
- Department of Pharmacy, UiT The Arctic University of Norway, N-9037 Tromsø, Norway.
| | - Andrew M Kidger
- Signalling Programme, The Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, England, UK.
| | - Stephen M Keyse
- Stress Response Laboratory, Jacqui Wood Cancer Centre, James Arrot Drive, Ninewells Hospital & Medical School, Dundee DD1 9SY, UK.
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Tong D, Liu Q, Wang LA, Xie Q, Pang J, Huang Y, Wang L, Liu G, Zhang D, Lan W, Jiang J. The roles of the COX2/PGE2/EP axis in therapeutic resistance. Cancer Metastasis Rev 2018; 37:355-368. [DOI: 10.1007/s10555-018-9752-y] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Hu J, Li L, Chen H, Zhang G, Liu H, Kong R, Chen H, Wang Y, Li Y, Tian F, Lv X, Li G, Sun B. MiR-361-3p regulates ERK1/2-induced EMT via DUSP2 mRNA degradation in pancreatic ductal adenocarcinoma. Cell Death Dis 2018; 9:807. [PMID: 30042387 PMCID: PMC6057920 DOI: 10.1038/s41419-018-0839-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 06/22/2018] [Accepted: 06/26/2018] [Indexed: 12/12/2022]
Abstract
Metastasis remains one of the most intractable challenges in pancreatic ductal adenocarcinoma (PDAC) biology, and epithelial-to-mesenchymal transition (EMT) is essential to the epithelium-originated solid tumor metastasis cascade. Emerging evidence demonstrates that aberrant miRNA expression is involved in pancreatic cancer progression. We found that miR-361-3p was associated with an advanced stage of PDAC and poor prognosis. Hence, the effect of miR-361-3p on metastasis of PDAC cells was evaluated using Transwell assay and wound healing assay in vitro as well as orthotopic and liver metastasis pancreatic cancer models in vivo. Overexpression of miR-361-3p promoted pancreatic cancer cell migration and invasion in vitro, and miR-361-3p-elevated PDAC cells were prone to generating metastatic nodules in vivo. However, miR-361-3p showed no significant effect on the proliferation of PDAC cells in vivo or in vitro. Further study demonstrated that miR-361-3p could enhance EMT and ERK pathway activation, and ERK inhibitor could attenuate miR-361-3p-induced EMT. Luciferase assays, qPCR, and western blot and Ago2 co-immunoprecipitation were performed to identify the direct target of miR-361-3p. Mechanistic investigations identified DUSP2 as a direct target of miR-361-3p, and DUSP2 was revealed to be involved in miR-361-3p-induced EMT by directly leading to the inactivation of the ERK pathway. Moreover, we found that miR-361-3p-induced EMT was dependent on Ago2, the core component of RNA-induced silencing complex, while enforced expression of Ago2 enhanced the miR-361-3p-induced effect by promoting interference efficacy and specificity rather than regulating miR-361-3p stability and biogenesis. Thus, this study revealed that miR-361-3p functions as an oncomiR for promoting metastasis and identified the miR-361-3p/DUSP2/ERK axis as a novel EMT axis dependent on Ago2 in PDAC.
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Affiliation(s)
- Jisheng Hu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Le Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Hongze Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Guangquan Zhang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Huan Liu
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Rui Kong
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Hua Chen
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Yongwei Wang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Yilong Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Fengyu Tian
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Xinjian Lv
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Guanqun Li
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China
| | - Bei Sun
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Nangang District, Harbin, 150001, Heilongjiang Province, China.
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Kumaradevan S, Lee SY, Richards S, Lyle C, Zhao Q, Tapan U, Jiangliu Y, Ghumman S, Walker J, Belghasem M, Arinze N, Kuhnen A, Weinberg J, Francis J, Hartshorn K, Kolachalama VB, Cifuentes D, Rahimi N, Chitalia VC. c-Cbl Expression Correlates with Human Colorectal Cancer Survival and Its Wnt/β-Catenin Suppressor Function Is Regulated by Tyr371 Phosphorylation. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:1921-1933. [PMID: 30029779 DOI: 10.1016/j.ajpath.2018.05.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 04/19/2018] [Accepted: 05/09/2018] [Indexed: 12/16/2022]
Abstract
The proto-oncogene β-catenin drives colorectal cancer (CRC) tumorigenesis. Casitas B-lineage lymphoma (c-Cbl) inhibits CRC tumor growth through targeting nuclear β-catenin by a poorly understood mechanism. In addition, the role of c-Cbl in human CRC remains largely underexplored. Using a novel quantitative histopathologic technique, we demonstrate that patients with high c-Cbl-expressing tumors had significantly better median survival (3.7 years) compared with low c-Cbl-expressing tumors (1.8 years; P = 0.0026) and were more than twice as likely to be alive at 3 years compared with low c-Cbl tumors (P = 0.0171). Our data further demonstrate that c-Cbl regulation of nuclear β-catenin requires phosphorylation of c-Cbl Tyr371 because its mutation compromises its ability to target β-catenin. The tyrosine 371 (Y371H) mutant interacted with but failed to ubiquitinate nuclear β-catenin. The nuclear localization of the c-Cbl-Y371H mutant contributed to its dominant negative effect on nuclear β-catenin. The biological importance of c-Cbl-Y371H was demonstrated in various systems, including a transgenic Wnt-8 zebrafish model. c-Cbl-Y371H mutant showed augmented Wnt/β-catenin signaling, increased Wnt target genes, angiogenesis, and CRC tumor growth. This study demonstrates a strong link between c-Cbl and overall survival of patients with CRC and provides new insights into a possible role of Tyr371 phosphorylation in Wnt/β-catenin regulation, which has important implications in tumor growth and angiogenesis in CRC.
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Affiliation(s)
- Sowmiya Kumaradevan
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Shin Yin Lee
- Hematology and Oncology Section, Boston University School of Medicine, Boston, Massachusetts
| | - Sean Richards
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Chimera Lyle
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Qing Zhao
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Umit Tapan
- Hematology and Oncology Section, Boston University School of Medicine, Boston, Massachusetts
| | - Yilan Jiangliu
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Shmyle Ghumman
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Joshua Walker
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Mostafa Belghasem
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Nkiruka Arinze
- Department of Surgery, Boston University School of Medicine, Boston, Massachusetts
| | - Angela Kuhnen
- Department of Surgery, Boston University School of Medicine, Boston, Massachusetts
| | - Janice Weinberg
- Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts
| | - Jean Francis
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Kevan Hartshorn
- Hematology and Oncology Section, Boston University School of Medicine, Boston, Massachusetts
| | - Vijaya B Kolachalama
- Section of Computational Biomedicine, Boston University School of Medicine, Boston, Massachusetts
| | - Daniel Cifuentes
- Department of Biochemistry, Boston University School of Medicine, Boston, Massachusetts
| | - Nader Rahimi
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Vipul C Chitalia
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts; Department of Surgery, Boston University School of Medicine, Boston, Massachusetts.
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46
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Qin Y, Chen X, Liu Z, Tian X, Huo Z. miR-106a Reduces 5-Fluorouracil (5-FU) Sensitivity of Colorectal Cancer by Targeting Dual-Specificity Phosphatases 2 (DUSP2). Med Sci Monit 2018; 24:4944-4951. [PMID: 30011263 PMCID: PMC6067019 DOI: 10.12659/msm.910016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND 5-Fluorouracil (5-FU)-based chemotherapy is a conventional therapeutic approach for the treatment of patients with colorectal cancer (CRC). However, development of 5-FU resistance frequently occurs. We explored a potential method for regulating the sensitivity to 5-FU-based chemotherapy in CRC patients. MATERIAL AND METHODS Cell viability was determined by 3-(4, 5-dimethyl-2-thiazolyl)-2, 5-diphenyl-2-H-tetrazolium bromide (MTT) assay. Gene expression levels were detected by real-time quantitative polymerase chain reaction (RT-qPCR). Protein expression levels were evaluated by Western blot. TargetScan was used for the prediction of binding sites for miRNA in mRNAs. The interaction between mRNA 3'UTR and miRNA was verified by dual luciferase reporter assay. Tissue samples were obtained from 33 CRC patients who received surgery at Xingtai People's Hospital. RESULTS miR-106a level was associated with 5-FU sensitivity in CRC cells. Overexpression of miR-106a reduced 5-FU sensitivity of HCT116 and SW620 cells, and antagonist of miR-106a sensitized HCT116 and SW620 towards 5-FU. miR-106a overexpression decreased dual-specificity phosphatases 2 (DUSP2) expression at mRNA and protein levels in HCT116 and SW620 cells. Through downregulation of DUSP2, miR-106a elevation increased COX-2 expression and stemness-maintenance genes (SOX2 and OCT4). Furthermore, we predicted that miR-106a directly binds to 3'UTR of DUSP2 mRNA, which was confirmed by dual luciferase assay. Silencing of DUSP2 reversed elevated 5-FU sensitivity induced by miR-106a antagonist in HCT116 cells. A negative correlation was discovered between miR-106a and DUSP2 in tumor samples of CRC patients. CONCLUSIONS miR-106a plays an important role in mediating response to 5-FU-based chemotherapy in CRC and could serve as a potential target for CRC patients.
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Affiliation(s)
- Yan Qin
- Surgical Department of Gastrointestinal Neoplasms, Xingtai People's Hospital, Xingtai, Hebei, China (mainland)
| | - Xiao Chen
- Departments of Anesthesiology, Xingtai People's Hospital, Xingtai, Hebei, China (mainland)
| | - Zhihu Liu
- Surgical Department of Gastrointestinal Neoplasms, Xingtai People's Hospital, Xingtai, Hebei, China (mainland)
| | - Xiaopeng Tian
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai, Hebei, China (mainland)
| | - Zhibin Huo
- Surgical Department of Gastrointestinal Neoplasms, Xingtai People's Hospital, Xingtai, Hebei, China (mainland)
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47
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Lu H, Tran L, Park Y, Chen I, Lan J, Xie Y, Semenza GL. Reciprocal Regulation of DUSP9 and DUSP16 Expression by HIF1 Controls ERK and p38 MAP Kinase Activity and Mediates Chemotherapy-Induced Breast Cancer Stem Cell Enrichment. Cancer Res 2018; 78:4191-4202. [PMID: 29880481 DOI: 10.1158/0008-5472.can-18-0270] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 05/08/2018] [Accepted: 06/01/2018] [Indexed: 02/05/2023]
Abstract
Triple-negative breast cancer (TNBC) has a poor prognosis due to its aggressive characteristics and lack of targeted therapies. Cytotoxic chemotherapy may reduce tumor bulk, but leaves residual disease due to the persistence of chemotherapy-resistant breast cancer stem cells (BCSC), which are critical for tumor recurrence and metastasis. Here, we demonstrate that hypoxia-inducible factor (HIF)-1-dependent regulation of mitogen-activated protein kinase (MAPK) signaling pathways contributes to chemotherapy-induced BCSC enrichment. Chemotherapy increased DUSP9 expression and decreased DUSP16 expression in a HIF1-dependent manner, leading to inhibition of ERK and activation of p38 signaling pathways, respectively. Inhibition of ERK caused transcriptional induction of the pluripotency factor Nanog through decreased inactivating phosphorylation of FoxO3, while activation of p38 stabilized Nanog and Klf4 mRNA through increased inactivating phosphorylation of RNA-binding protein ZFP36L1, both of which promoted specification of the BCSC phenotype. Inhibition of HIF1 or p38 signaling blocked chemotherapy-induced pluripotency factor expression and BCSC enrichment. These surprising results delineate a mechanism by which a transcription factor switches cells from ERK to p38 signaling in response to chemotherapy and suggest that therapeutic targeting of HIF1 or the p38 pathway in combination with chemotherapy will block BCSC enrichment and improve outcome in TNBC.Significance: These findings provide a molecular mechanism that may account for the increased relapse rate of women with TNBC who are treated with cytotoxic chemotherapy and suggest that combining chemotherapy with an inhibitor of HIF1 or p38 activity may increase patient survival. Cancer Res; 78(15); 4191-202. ©2018 AACR.
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Affiliation(s)
- Haiquan Lu
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Linh Tran
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Youngrok Park
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Ivan Chen
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Jie Lan
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland.,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Yangyiran Xie
- Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, Maryland
| | - Gregg L Semenza
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland. .,McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Departments of Pediatrics, Medicine, Oncology, Radiation Oncology, and Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland
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48
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Ma C, Guo Y, Zhang Y, Duo A, Jia Y, Liu C, Li B. PAFAH1B2 is a HIF1a target gene and promotes metastasis in pancreatic cancer. Biochem Biophys Res Commun 2018; 501:654-660. [PMID: 29758199 DOI: 10.1016/j.bbrc.2018.05.039] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 05/06/2018] [Indexed: 12/31/2022]
Abstract
Platelet-activating factor acetylhydrolase IB subunit beta (PAFAH1B2) plays important roles in inflammation and anaphylaxis. However, its primary function in pancreatic cancer remains unclear. In the current study, we report that PAFAH1B2 is overexpressed in pancreatic ductal adenocarcinoma (PDAC) and correlated inversely with patient survival. PAFAH1B2 overexpression induced epithelial-mesenchymal transition (EMT), migration and invasion in vitro and metastasis in vivo. Conversely, silencing PAFAH1B2 inhibited these aggressive phenotypes. Moreover, PAFAH1B2 overexpression in PDAC cells was directly mediated by HIF1a. PAFAH1B2 expression in PDAC clinical specimens correlated positively with HIF1a expression. Overall, our results defined PAFAH1B2 as a target gene of HIF1a and a critical driver of PDAC metastatic behaviors.
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Affiliation(s)
- Can Ma
- Department of General Surgery, Fourth Affiliated Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yan Guo
- Department of Oncology, The First Hospital of Shijiazhuang, Shijiazhuang, Hebei, China
| | - Yan Zhang
- Department of General Surgery, Fourth Affiliated Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Aixia Duo
- Department of General Surgery, Fourth Affiliated Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yitao Jia
- Department of General Surgery, Fourth Affiliated Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Ci Liu
- Department of General Surgery, Fourth Affiliated Hospital, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Binghui Li
- Department of General Surgery, Fourth Affiliated Hospital, Hebei Medical University, Shijiazhuang, Hebei, China.
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Wang B, Liu G, Ding L, Zhao J, Lu Y. FOXA2 promotes the proliferation, migration and invasion, and epithelial mesenchymal transition in colon cancer. Exp Ther Med 2018; 16:133-140. [PMID: 29896233 PMCID: PMC5995056 DOI: 10.3892/etm.2018.6157] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Accepted: 04/24/2018] [Indexed: 12/30/2022] Open
Abstract
The present study determined the expression and biological functions of FOXA2 gene in colon cancer in tissues, cells and animals. A total of 66 patients with colon cancer were included in the present study. Using The Human Protein Atlas database, expression and distribution of FOXA2 in colon cancer tissues were analyzed. Using immunohistochemistry, the expression and distribution of FOXA2 in colon cancer cells were studied. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was performed to determine the expression of FOXA2 mRNA in colon cancer tissues. Following in vitro transfection with FOXA2 interference sequence (siR-FOXA2), the proliferation, cell cycle, migration and invasion of colon cancer HCT116 and HT29 cells were investigated using Cell Counting Kit-8 assay, flow cytometry, and Transwell assay, respectively. Furthermore, flow cytometry was used to determine apoptosis of HCT116 and HT29 cells. Western blotting was used to determine the expression of epithelial mesenchymal transition (EMT) proteins, E-Cadherin and Vimentin. Laser scanning confocal microscopy was performed to observe the cytoskeleton in HCT116 and HT29 cells. Results indicated tumorigenesis of colon cancer cells in nude mice. In addition, the expression of FOXA2 in colon cancer tissues was elevated and associated with the metastasis and clinical staging of colon cancer. Notably, inhibition of FOXA2 reduced the proliferation of colon cancer cells in vitro and reduced expression of FOXA2 was able to decrease the migration and invasion abilities of colon cancer cells. Furthermore, FOXA2 promoted EMT, inhibited apoptosis and enhanced the invasion ability of colon cancer cells. Decreased expression of FOXA2 inhibited tumorigenesis of colon cancer cells in nude mice. To conclude, the present study demonstrated that the expression of FOXA2 in colon cancer tissues was elevated and associated with the metastasis and clinical staging of colon cancer. As an oncogene, FOXA2 may promote the proliferation, migration and invasion and EMT in colon cancer.
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Affiliation(s)
- Baolei Wang
- Department of Gastrointestinal Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266555, P.R. China
| | - Guangwei Liu
- Emergency Department, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Lei Ding
- Medical Administration Division, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Jun Zhao
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
| | - Yun Lu
- Department of Gastrointestinal Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266555, P.R. China
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50
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Dong W, Li N, Pei X, Wu X. Differential expression of DUSP2 in left- and right-sided colon cancer is associated with poor prognosis in colorectal cancer. Oncol Lett 2018; 15:4207-4214. [PMID: 29541187 PMCID: PMC5835964 DOI: 10.3892/ol.2018.7881] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 12/08/2017] [Indexed: 01/18/2023] Open
Abstract
Dual-specificity phosphatase-2 (DUSP2), a negative regulator of extracellular-regulated kinase activity, has been identified as an important kinase with emerging roles in cancer. However, the clinical significance of DUSP2 in colorectal cancer (CRC) remains to be fully elucidated. In the present study, the expression of DUSP2 was investigated using immunohistochemistry in 96 patients with CRC. Cell viability was estimated using a cell counting kit-8 assay, and cell apoptosis by flow cytometry. The relationship between DUSP2 expression and patient characteristics, including overall survival, were studied retrospectively in these patients. It was found that DUSP2 was differentially expressed between left-sided colon carcinoma (LSCC) and right-sided colon carcinoma (RSCC). It was also found that decreased expression of DUSP2 was correlated with significantly shorter overall survival (P=0.001) and short distant-metastasis-free survival (P=0.002). In univariate comparisons, the decreased expression of DUSP2 was found to be an independent risk factor for poor survival rate (HR 3.55, CI 1.092-9.896; P=0.002). It was also found that the enforced overexpression of DUSP2 sensitized CRC cells to cetuximab. In conclusion, the findings demonstrated that DUSP2 was differentially expressed between RSCC and LSCC, and that the overexpression of DUSP2 increased the inhibitory effect of cetuximab in CRC, suggesting that DUSP2 may be a novel biomarker and therapeutic target in CRC therapy.
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Affiliation(s)
- Wenjie Dong
- Department of Internal Medicine-Oncology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Na Li
- Department of Internal Medicine-Oncology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Xiufeng Pei
- Department of Internal Medical Oncology, Tumor Hospital of Baotou, Baotou, Inner Mongolia 014030, P.R. China
| | - Xinai Wu
- Department of Internal Medicine-Oncology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
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