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Lin S, Li K, Qi L. Cancer stem cells in brain tumors: From origin to clinical implications. MedComm (Beijing) 2023; 4:e341. [PMID: 37576862 PMCID: PMC10412776 DOI: 10.1002/mco2.341] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 06/24/2023] [Accepted: 07/04/2023] [Indexed: 08/15/2023] Open
Abstract
Malignant brain tumors are highly heterogeneous tumors with a poor prognosis and a high morbidity and mortality rate in both children and adults. The cancer stem cell (CSC, also named tumor-initiating cell) model states that tumor growth is driven by a subset of CSCs. This model explains some of the clinical observations of brain tumors, including the almost unavoidable tumor recurrence after initial successful chemotherapy and/or radiotherapy and treatment resistance. Over the past two decades, strategies for the identification and characterization of brain CSCs have improved significantly, supporting the design of new diagnostic and therapeutic strategies for brain tumors. Relevant studies have unveiled novel characteristics of CSCs in the brain, including their heterogeneity and distinctive immunobiology, which have provided opportunities for new research directions and potential therapeutic approaches. In this review, we summarize the current knowledge of CSCs markers and stemness regulators in brain tumors. We also comprehensively describe the influence of the CSCs niche and tumor microenvironment on brain tumor stemness, including interactions between CSCs and the immune system, and discuss the potential application of CSCs in brain-based therapies for the treatment of brain tumors.
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Affiliation(s)
- Shuyun Lin
- Institute of Digestive DiseaseThe Sixth Affiliated Hospital of Guangzhou Medical UniversityQingyuan People's HospitalQingyuanGuangdongChina
| | - Kaishu Li
- Institute of Digestive DiseaseThe Sixth Affiliated Hospital of Guangzhou Medical UniversityQingyuan People's HospitalQingyuanGuangdongChina
| | - Ling Qi
- Institute of Digestive DiseaseThe Sixth Affiliated Hospital of Guangzhou Medical UniversityQingyuan People's HospitalQingyuanGuangdongChina
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2
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Li J, Song Y, Cai H, Zhou B, Ma J. Roles of circRNA dysregulation in esophageal squamous cell carcinoma tumor microenvironment. Front Oncol 2023; 13:1153207. [PMID: 37384299 PMCID: PMC10299836 DOI: 10.3389/fonc.2023.1153207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 05/30/2023] [Indexed: 06/30/2023] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is the most prevalent histological esophageal cancer characterized by advanced diagnosis, metastasis, resistance to treatment, and frequent recurrence. In recent years, numerous human disorders such as ESCC, have been linked to abnormal expression of circular RNAs (circRNAs), suggesting that they are fundamental to the intricate system of gene regulation that governs ESCC formation. The tumor microenvironment (TME), referring to the area surrounding the tumor cells, is composed of multiple components, including stromal cells, immune cells, the vascular system, extracellular matrix (ECM), and numerous signaling molecules. In this review, we briefly described the biological purposes and mechanisms of aberrant circRNA expression in the TME of ESCC, including the immune microenvironment, angiogenesis, epithelial-to-mesenchymal transition, hypoxia, metabolism, and radiotherapy resistance. As in-depth research into the processes of circRNAs in the TME of ESCC continues, circRNAs are promising therapeutic targets or delivery systems for cancer therapy and diagnostic and prognostic indicators for ESCC.
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Affiliation(s)
- Jingyi Li
- Department of Clinical Laboratory, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yuxia Song
- Department of Reproductive Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Huihong Cai
- Department of Clinical Laboratory, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Bo Zhou
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Jun Ma
- Department of Clinical Laboratory, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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3
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Murugesan P, Begum H, Tangutur AD. Inhibitor of DNA binding/differentiation proteins as IDs for pancreatic cancer: Role in pancreatic cancer initiation, development and prognosis. Gene 2023; 853:147092. [PMID: 36464175 DOI: 10.1016/j.gene.2022.147092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/11/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022]
Abstract
A family of inhibitors of cell differentiation or DNA-binding proteins, known as ID proteins (ID1-4), function as mighty transcription factors in various cellular processes, such as inhibiting differentiation, promoting cell-cycle progression, senescence, angiogenesis, tumorigenesis, and metastasis in cancer. Pancreatic cancer represents the deadliest cancer with the lowest survival rate of 10% due to the diagnosis at an advanced fatal stage and therapeutic resistance. Modestly, the only curative option for this lethal cancer is surgery but is done in less than 15-20% of patients because of the locally aggressive and early metastatic nature. Finding the earliest biomarkers and targeting the various hallmarks of pancreatic cancer can improve the treatment and survival of pancreatic cancer patients. Therefore, herein in this review, we explore in depth the potential roles of ID proteins function in hallmarks of pancreatic cancer, signaling pathways, and its oncogenic and tumor-suppressive effects. Hence, understanding the roles of dysregulated ID proteins would provide new insights into its function in pancreatic cancer tumorigenesis.
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Affiliation(s)
- Periyasamy Murugesan
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India; Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Habeebunnisa Begum
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India; Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Anjana Devi Tangutur
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India; Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India.
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4
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Kim J, Kim SJ, Jeong HR, Park JH, Moon M, Hoe HS. Inhibiting EGFR/HER-2 ameliorates neuroinflammatory responses and the early stage of tau pathology through DYRK1A. Front Immunol 2022; 13:903309. [PMID: 36341365 PMCID: PMC9632417 DOI: 10.3389/fimmu.2022.903309] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 10/03/2022] [Indexed: 11/29/2022] Open
Abstract
The FDA-approved EGFR/HER2 inhibitor varlitinib inhibits tumor growth and is used in cancer treatment. However, the neuroinflammatory response associated with EGFR/HER2 and its underlying mechanism have not been elucidated. This study evaluates the impact of varlitinib on LPS- and tau-mediated neuroinflammatory responses for the first time. In BV2 microglial cells, varlitinib reduced LPS-stimulated il-1β and/or inos mRNA levels and downstream AKT/FAK/NF-kB signaling. Importantly, varlitinib significantly diminished LPS-mediated microglial nlrp3 inflammasome activation in BV2 microglial cells. In primary astrocytes, varlitinib downregulated LPS-evoked astroglial il-1β mRNA levels, AKT signaling, and nlrp3 inflammasome activation. In LPS-treated wild-type mice, varlitinib significantly reduced LPS-stimulated glial activation and IL-1β/NLRP3 inflammasome formation. Moreover, varlitinib significantly reduced micro- and astroglial activation and tau hyperphosphorylation in 3-month-old tau-overexpressing PS19 mice by downregulating tau kinase DYRK1A levels. However, in 6-month-old tau-overexpressing PS19 mice, varlitinib only significantly diminished astroglial activation and tau phosphorylation at Thr212/Ser214. Taken together, our findings suggest that varlitinib has therapeutic potential for LPS- and tau-induced neuroinflammatory responses and the early stages of tau pathology.
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Affiliation(s)
- Jieun Kim
- Department of Neural Development and Disease, Korea Brain Research Institute (KBRI), Daegu, South Korea
| | - Su-Jin Kim
- Department of Biochemistry, College of Medicine, Konyang University, Daejeon, South Korea
| | - Ha-Ram Jeong
- Department of Neural Development and Disease, Korea Brain Research Institute (KBRI), Daegu, South Korea
| | - Jin-Hee Park
- Department of Neural Development and Disease, Korea Brain Research Institute (KBRI), Daegu, South Korea
- Department of Brain & Cognitive Sciences, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Daegu, South Korea
| | - Minho Moon
- Department of Biochemistry, College of Medicine, Konyang University, Daejeon, South Korea
- *Correspondence: Hyang-Sook Hoe, ; Minho Moon,
| | - Hyang-Sook Hoe
- Department of Neural Development and Disease, Korea Brain Research Institute (KBRI), Daegu, South Korea
- Department of Brain & Cognitive Sciences, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Daegu, South Korea
- *Correspondence: Hyang-Sook Hoe, ; Minho Moon,
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Hersh AM, Gaitsch H, Alomari S, Lubelski D, Tyler BM. Molecular Pathways and Genomic Landscape of Glioblastoma Stem Cells: Opportunities for Targeted Therapy. Cancers (Basel) 2022; 14:3743. [PMID: 35954407 PMCID: PMC9367289 DOI: 10.3390/cancers14153743] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 02/01/2023] Open
Abstract
Glioblastoma (GBM) is an aggressive tumor of the central nervous system categorized by the World Health Organization as a Grade 4 astrocytoma. Despite treatment with surgical resection, adjuvant chemotherapy, and radiation therapy, outcomes remain poor, with a median survival of only 14-16 months. Although tumor regression is often observed initially after treatment, long-term recurrence or progression invariably occurs. Tumor growth, invasion, and recurrence is mediated by a unique population of glioblastoma stem cells (GSCs). Their high mutation rate and dysregulated transcriptional landscape augment their resistance to conventional chemotherapy and radiation therapy, explaining the poor outcomes observed in patients. Consequently, GSCs have emerged as targets of interest in new treatment paradigms. Here, we review the unique properties of GSCs, including their interactions with the hypoxic microenvironment that drives their proliferation. We discuss vital signaling pathways in GSCs that mediate stemness, self-renewal, proliferation, and invasion, including the Notch, epidermal growth factor receptor, phosphatidylinositol 3-kinase/Akt, sonic hedgehog, transforming growth factor beta, Wnt, signal transducer and activator of transcription 3, and inhibitors of differentiation pathways. We also review epigenomic changes in GSCs that influence their transcriptional state, including DNA methylation, histone methylation and acetylation, and miRNA expression. The constituent molecular components of the signaling pathways and epigenomic regulators represent potential sites for targeted therapy, and representative examples of inhibitory molecules and pharmaceuticals are discussed. Continued investigation into the molecular pathways of GSCs and candidate therapeutics is needed to discover new effective treatments for GBM and improve survival.
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Affiliation(s)
- Andrew M. Hersh
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; (A.M.H.); (H.G.); (S.A.); (D.L.)
| | - Hallie Gaitsch
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; (A.M.H.); (H.G.); (S.A.); (D.L.)
- NIH Oxford-Cambridge Scholars Program, Wellcome—MRC Cambridge Stem Cell Institute and Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 1TN, UK
| | - Safwan Alomari
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; (A.M.H.); (H.G.); (S.A.); (D.L.)
| | - Daniel Lubelski
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; (A.M.H.); (H.G.); (S.A.); (D.L.)
| | - Betty M. Tyler
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA; (A.M.H.); (H.G.); (S.A.); (D.L.)
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Zhang Y, Hu X, Li H, Yao J, Yang P, Lan Y, Xia H. Circadian Period 2 (Per2) downregulate inhibitor of differentiation 3 (Id3) expression via PTEN/AKT/Smad5 axis to inhibits glioma cell proliferation. Bioengineered 2022; 13:12350-12364. [PMID: 35599595 PMCID: PMC9275974 DOI: 10.1080/21655979.2022.2074107] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
In this study, we employed multiple laboratory techniques to acknowledge the biological activities and processes of Per2 and Id3 in glioma. We analyzed TCGA and CGGA databases for seeking association among Per2, Id3, and clinical features in glioma. Immunohistochemistry and Western blot were used to detect protein expression levels. CCK-8 assay, colony formation assay, Transwell assay, the wound healing assay, flow cytometric, and Xenograft nude mice were used to acknowledge the impact of Per2 and Id3 on biological behavior of glioma. The results showed that the Per2 mRNA expression was negatively correlated with the WHO grade, while the Id3 mRNA expression was positively correlated with the WHO grade in patients with glioma in TCGA and CGGA databases. Per2 and Id3 maintained separate prognostic abilities and had a negative connection in human glioma. In the clinical sample study, Per2 and Id3 were validated at the protein level with the same results compared to the mRNA expression level in TCGA and CGGA. By using a wide range of functional examples, overexpression of Per2 restrains malignant biological behaviors in glioma cells by many ways, while Id3 promotes malignant biological behaviors in glioma cells. Furthermore, overexpression of Per2 can inhibit Id3 expression via regulating PTEN/AKT/Smad5 signaling pathway and thereby abolish malignant biological behaviors that are caused by Id3 overexpression. These results suggested that Per2 inhibits glioma cell proliferation through regulating PTEN/AKT/Smad5/Id3 signaling pathway, which may be a viable therapeutic target for glioma.
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Affiliation(s)
- Yifan Zhang
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Xvlei Hu
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Hailiang Li
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Jian Yao
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Ping Yang
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Yuanxiang Lan
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Hechun Xia
- Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, Ningxia Human Stem Cell Institute, General Hospital of Ningxia Medical University, Yinchuan, China
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Li B, Wang F, Wang N, Hou K, Du J. Identification of Implications of Angiogenesis and m6A Modification on Immunosuppression and Therapeutic Sensitivity in Low-Grade Glioma by Network Computational Analysis of Subtypes and Signatures. Front Immunol 2022; 13:871564. [PMID: 35572524 PMCID: PMC9094412 DOI: 10.3389/fimmu.2022.871564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/28/2022] [Indexed: 02/06/2023] Open
Abstract
Angiogenesis is a complex process in the immunosuppressed low-grade gliomas (LGG) microenvironment and is regulated by multiple factors. N6-methyladenosine (m6A), modified by the m6A modification regulators (“writers” “readers” and “erasers”), can drive LGG formation. In the hypoxic environment of intracranial tumor immune microenvironment (TIME), m6A modifications in glioma stem cells are predominantly distributed around neovascularization and synergize with complex perivascular pathological ecology to mediate the immunosuppressive phenotype of TIME. The exact mechanism of this phenomenon remains unknown. Herein, we elucidated the relevance of the angiogenesis-related genes (ARGs) and m6A regulators (MAGs) and their influencing mechanism from a macro perspective. Based on the expression pattern of MAGs, we divided patients with LGG into two robust categories via consensus clustering, and further annotated the malignant related mechanisms and corresponding targeted agents. The two subgroups (CL1, CL2) demonstrated a significant correlation with prognosis and clinical-pathology features. Moreover, WGCNA has also uncovered the hub genes and related mechanisms of MAGs affecting clinical characters. Clustering analysis revealed a synergistic promoting effect of M6A and angiogenesis on immunosuppression. Based on the expression patterns of MAGs, we established a high-performance gene-signature (MASig). MASig revealed somatic mutational mechanisms by which MAGs affect the sensitivity to treatment in LGG patients. In conclusion, the MAGs were critical participants in the malignant process of LGG, with a vital potential in the prognosis stratification, prediction of outcome, and therapeutic sensitivity of LGG. Findings based on these strategies may facilitate the development of objective diagnosis and treatment systems to quantify patient survival and other outcomes, and in some cases, to identify potential unexplored targeted therapies.
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Affiliation(s)
- Bo Li
- Department of Neurosurgery, Huangyan Hospital, Wenzhou Medical University, Taizhou, China.,Department of Neurosurgery, Taizhou First People's Hospital, Taizhou, China
| | - Fang Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Nan Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Kuiyuan Hou
- Department of Neurosurgery, The First Hospital of Qiqihar City, Qiqihar, China
| | - Jianyang Du
- Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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Shafi O, Siddiqui G. Tracing the origins of glioblastoma by investigating the role of gliogenic and related neurogenic genes/signaling pathways in GBM development: a systematic review. World J Surg Oncol 2022; 20:146. [PMID: 35538578 PMCID: PMC9087910 DOI: 10.1186/s12957-022-02602-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/15/2022] [Indexed: 02/16/2023] Open
Abstract
Background Glioblastoma is one of the most aggressive tumors. The etiology and the factors determining its onset are not yet entirely known. This study investigates the origins of GBM, and for this purpose, it focuses primarily on developmental gliogenic processes. It also focuses on the impact of the related neurogenic developmental processes in glioblastoma oncogenesis. It also addresses why glial cells are at more risk of tumor development compared to neurons. Methods Databases including PubMed, MEDLINE, and Google Scholar were searched for published articles without any date restrictions, involving glioblastoma, gliogenesis, neurogenesis, stemness, neural stem cells, gliogenic signaling and pathways, neurogenic signaling and pathways, and astrocytogenic genes. Results The origin of GBM is dependent on dysregulation in multiple genes and pathways that accumulatively converge the cells towards oncogenesis. There are multiple layers of steps in glioblastoma oncogenesis including the failure of cell fate-specific genes to keep the cells differentiated in their specific cell types such as p300, BMP, HOPX, and NRSF/REST. There are genes and signaling pathways that are involved in differentiation and also contribute to GBM such as FGFR3, JAK-STAT, and hey1. The genes that contribute to differentiation processes but also contribute to stemness in GBM include notch, Sox9, Sox4, c-myc gene overrides p300, and then GFAP, leading to upregulation of nestin, SHH, NF-κB, and others. GBM mutations pathologically impact the cell circuitry such as the interaction between Sox2 and JAK-STAT pathway, resulting in GBM development and progression. Conclusion Glioblastoma originates when the gene expression of key gliogenic genes and signaling pathways become dysregulated. This study identifies key gliogenic genes having the ability to control oncogenesis in glioblastoma cells, including p300, BMP, PAX6, HOPX, NRSF/REST, LIF, and TGF beta. It also identifies key neurogenic genes having the ability to control oncogenesis including PAX6, neurogenins including Ngn1, NeuroD1, NeuroD4, Numb, NKX6-1 Ebf, Myt1, and ASCL1. This study also postulates how aging contributes to the onset of glioblastoma by dysregulating the gene expression of NF-κB, REST/NRSF, ERK, AKT, EGFR, and others.
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Affiliation(s)
- Ovais Shafi
- Sindh Medical College - Jinnah Sindh Medical University / Dow University of Health Sciences, Karachi, Pakistan.
| | - Ghazia Siddiqui
- Sindh Medical College - Jinnah Sindh Medical University / Dow University of Health Sciences, Karachi, Pakistan
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Li S, Nguyen TT, Ung TT, Sah DK, Park SY, Lakshmanan VK, Jung YD. Piperine Attenuates Lithocholic Acid-Stimulated Interleukin-8 by Suppressing Src/EGFR and Reactive Oxygen Species in Human Colorectal Cancer Cells. Antioxidants (Basel) 2022; 11:antiox11030530. [PMID: 35326180 PMCID: PMC8944659 DOI: 10.3390/antiox11030530] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023] Open
Abstract
Piperine, a natural alkaloidal pungent product present in pepper plants, possesses the properties of anti-inflammatory and anti-metastasis. Lithocholic acid is a monohydroxy-5beta-cholanic acid with an alpha-hydroxy substituent at position 3; it is a secondary bile acid that plays a pivotal role in fat absorption, and has been discovered to mediate colorectal cancer (CRC) cell invasion and migration. However, the effect of piperine on angiogenesis has been poorly investigated. In the current study, we examined the role of piperine on LCA-stimulated angiogenesis by measuring interleukin-8 (IL-8) expression; moreover, we revealed the potential molecular mechanisms in CRC cells. Here, we showed that piperine inhibited LCA-stimulated endothelial EA.hy926 cell angiogenesis in a conditioned medium obtained from colorectal HCT-116 cells. Experiments with an IL-8 neutralizer showed that IL-8 present in the conditioned medium was the major angiogenic factor. Piperine inhibited LCA-stimulated ERK1/2 and AKT via the Src/EGFR-driven ROS signaling pathway in the colorectal cell line (HCT-116). Through mutagenesis and inhibitory studies, we revealed that ERK1/2 acted as an upstream signaling molecule in AP-1 activation, and AKT acted as an upstream signaling molecule in NF-κB activation, which in turn attenuated IL-8 expression. Taken together, we demonstrated that piperine blocked LCA-stimulated IL-8 expression by suppressing Src and EGFR in human CRC HCT-116 cells, thus remarkably attenuating endothelial EA.hy926 cell tube formation.
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Affiliation(s)
- Shinan Li
- Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 501-190, Korea; (S.L.); (T.T.N.); (T.T.U.); (D.K.S.); (S.Y.P.)
| | - Thi Thinh Nguyen
- Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 501-190, Korea; (S.L.); (T.T.N.); (T.T.U.); (D.K.S.); (S.Y.P.)
- Nanogen Pharmaceutical Biotechnology Joint Stock Company, Ho Chi Minh City 70000, Vietnam
| | - Trong Thuan Ung
- Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 501-190, Korea; (S.L.); (T.T.N.); (T.T.U.); (D.K.S.); (S.Y.P.)
- Nanogen Pharmaceutical Biotechnology Joint Stock Company, Ho Chi Minh City 70000, Vietnam
| | - Dhiraj Kumar Sah
- Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 501-190, Korea; (S.L.); (T.T.N.); (T.T.U.); (D.K.S.); (S.Y.P.)
| | - Seon Young Park
- Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 501-190, Korea; (S.L.); (T.T.N.); (T.T.U.); (D.K.S.); (S.Y.P.)
| | - Vinoth-Kumar Lakshmanan
- Faculty of Clinical Research, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai, Tamil Nadu 600 116, India
- Correspondence: (V.-K.L.); (Y.D.J.); Tel.: +91-44-4592-8500 (V.-K.L.); +82-61-379-2772 (Y.D.J.); Fax: +91-44-2476-7008 (V.-K.L.); +82-81-379-2781 (Y.D.J.)
| | - Young Do Jung
- Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 501-190, Korea; (S.L.); (T.T.N.); (T.T.U.); (D.K.S.); (S.Y.P.)
- Department of Biochemistry, Chonnam National University Medical School, Seoyang Ro 264, Hwasun 58128, Korea
- Correspondence: (V.-K.L.); (Y.D.J.); Tel.: +91-44-4592-8500 (V.-K.L.); +82-61-379-2772 (Y.D.J.); Fax: +91-44-2476-7008 (V.-K.L.); +82-81-379-2781 (Y.D.J.)
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10
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Amalinei C, Grigoraș A, Lozneanu L, Căruntu ID, Giușcă SE, Balan RA. The Interplay between Tumour Microenvironment Components in Malignant Melanoma. Medicina (B Aires) 2022; 58:medicina58030365. [PMID: 35334544 PMCID: PMC8953474 DOI: 10.3390/medicina58030365] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/12/2022] [Accepted: 02/22/2022] [Indexed: 12/12/2022] Open
Abstract
Malignant melanoma has shown an increasing incidence during the last two decades, exhibiting a large spectrum of locations and clinicopathological characteristics. Although current histopathological, biochemical, immunohistochemical, and molecular methods provide a deep insight into its biological behaviour and outcome, melanoma is still an unpredictable disease, with poor outcome. This review of the literature is aimed at updating the knowledge regarding melanoma’s clinicopathological and molecular hallmarks, including its heterogeneity and plasticity, involving cancer stem cells population. A special focus is given on the interplay between different cellular components and their secretion products in melanoma, considering its contribution to tumour progression, invasion, metastasis, recurrences, and resistance to classical therapy. Furthermore, the influences of the specific tumour microenvironment or “inflammasome”, its association with adipose tissue products, including the release of “extracellular vesicles”, and distinct microbiota are currently studied, considering their influences on diagnosis and prognosis. An insight into melanoma’s particular features may reveal new molecular pathways which may be exploited in order to develop innovative therapeutic approaches or tailored therapy.
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Johansson E, Ueno H. Characterization of normal and cancer stem-like cell populations in murine lingual epithelial organoids using single-cell RNA sequencing. Sci Rep 2021; 11:22329. [PMID: 34785704 PMCID: PMC8595654 DOI: 10.1038/s41598-021-01783-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/28/2021] [Indexed: 11/13/2022] Open
Abstract
The advances in oral cancer research and therapies have not improved the prognosis of patients with tongue cancer. The poor treatment response of tongue cancer may be attributed to the presence of heterogeneous tumor cells exhibiting stem cell characteristics. Therefore, there is a need to develop effective molecular-targeted therapies based on the specific gene expression profiles of these cancer stem-like cell populations. In this study, the characteristics of normal and cancerous organoids, which are convenient tools for screening anti-cancer drugs, were analyzed comparatively. As organoids are generally generated by single progenitors, they enable the exclusion of normal cell contamination from the analyses. Single-cell RNA sequencing analysis revealed that p53 signaling activation and negative regulation of cell cycle were enriched characteristics in normal stem-like cells whereas hypoxia-related pathways, such as HIF-1 signaling and glycolysis, were upregulated in cancer stem-like cells. The findings of this study improved our understanding of the common features of heterogeneous cell populations with stem cell properties in tongue cancers, that are different from those of normal stem cell populations; this will enable the development of novel molecular-targeted therapies for tongue cancer.
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Affiliation(s)
- Erik Johansson
- Department of Stem Cell Pathology, Kansai Medical University, 2-5-1 Shin-machi, Hirakata, Osaka, 573-1010, Japan.,CREST, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Hiroo Ueno
- Department of Stem Cell Pathology, Kansai Medical University, 2-5-1 Shin-machi, Hirakata, Osaka, 573-1010, Japan. .,CREST, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan.
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12
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Stevanovic M, Kovacevic-Grujicic N, Mojsin M, Milivojevic M, Drakulic D. SOX transcription factors and glioma stem cells: Choosing between stemness and differentiation. World J Stem Cells 2021; 13:1417-1445. [PMID: 34786152 PMCID: PMC8567447 DOI: 10.4252/wjsc.v13.i10.1417] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 07/15/2021] [Accepted: 09/16/2021] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma (GBM) is the most common, most aggressive and deadliest brain tumor. Recently, remarkable progress has been made towards understanding the cellular and molecular biology of gliomas. GBM tumor initiation, progression and relapse as well as resistance to treatments are associated with glioma stem cells (GSCs). GSCs exhibit a high proliferation rate and self-renewal capacity and the ability to differentiate into diverse cell types, generating a range of distinct cell types within the tumor, leading to cellular heterogeneity. GBM tumors may contain different subsets of GSCs, and some of them may adopt a quiescent state that protects them against chemotherapy and radiotherapy. GSCs enriched in recurrent gliomas acquire more aggressive and therapy-resistant properties, making them more malignant, able to rapidly spread. The impact of SOX transcription factors (TFs) on brain tumors has been extensively studied in the last decade. Almost all SOX genes are expressed in GBM, and their expression levels are associated with patient prognosis and survival. Numerous SOX TFs are involved in the maintenance of the stemness of GSCs or play a role in the initiation of GSC differentiation. The fine-tuning of SOX gene expression levels controls the balance between cell stemness and differentiation. Therefore, innovative therapies targeting SOX TFs are emerging as promising tools for combatting GBM. Combatting GBM has been a demanding and challenging goal for decades. The current therapeutic strategies have not yet provided a cure for GBM and have only resulted in a slight improvement in patient survival. Novel approaches will require the fine adjustment of multimodal therapeutic strategies that simultaneously target numerous hallmarks of cancer cells to win the battle against GBM.
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Affiliation(s)
- Milena Stevanovic
- Laboratory for Human Molecular Genetics, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade 11042, Serbia
- Chair Biochemistry and Molecular Biology, Faculty of Biology, University of Belgrade, Belgrade 11158, Serbia
- Department of Chemical and Biological Sciences, Serbian Academy of Sciences and Arts, Belgrade 11000, Serbia.
| | - Natasa Kovacevic-Grujicic
- Laboratory for Human Molecular Genetics, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade 11042, Serbia
| | - Marija Mojsin
- Laboratory for Human Molecular Genetics, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade 11042, Serbia
| | - Milena Milivojevic
- Laboratory for Human Molecular Genetics, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade 11042, Serbia
| | - Danijela Drakulic
- Laboratory for Human Molecular Genetics, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade 11042, Serbia
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13
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Fang L, Gao Y, Wang Z, Li Y, Yan Y, Wu Z, Cheng JC, Sun YP. EGF stimulates human trophoblast cell invasion by downregulating ID3-mediated KISS1 expression. Cell Commun Signal 2021; 19:101. [PMID: 34620174 PMCID: PMC8499481 DOI: 10.1186/s12964-021-00783-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 08/30/2021] [Indexed: 11/24/2022] Open
Abstract
Background During pregnancy, trophoblast cell invasion needs to be finely controlled. Aberrant trophoblast cell invasion is associated with placental diseases. Epidermal growth factor (EGF) and its receptor, EGFR, are expressed in trophoblast cells. Although the pro-invasive effect of EGF on trophoblast cells has been reported, the underlying mechanism remains largely unknown. Results In the present study, we conducted an RNA sequencing (RNA-seq) to HTR-8/SVneo human trophoblast cells in response to EGF and identified KISS1 as a target gene of EGF. The human KISS1 gene encodes kisspeptin, also known as metastin, which can suppress tumor metastasis. Our results showed that EGF treatment downregulated KISS1 expression and secretion by activating the EGFR-mediated PI3K/AKT signaling pathway. In addition, the expression of inhibitor of DNA-binding protein 3 (ID3) was downregulated by EGF and that was required for the EGF-suppressed KISS1 expression. Functionally, transwell invasion assays demonstrated that EGF stimulated human trophoblast cell invasion by downregulating KISS1 expression. Preeclampsia (PE) is a placental disease characterized by insufficient trophoblast cell invasion. Our clinical results revealed that serum levels of EGF were downregulated while serum and placental levels of KISS1 were upregulated in PE patients. Conclusions This study demonstrates that downregulation of EGF can lead to poor trophoblast cell invasion by increasing KISS1 expression which subsequently contributes to the pathogenesis of PE. Video Abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-021-00783-2.
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Affiliation(s)
- Lanlan Fang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China
| | - Yibo Gao
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China
| | - Zhen Wang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China
| | - Yuxi Li
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China
| | - Yang Yan
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China
| | - Ze Wu
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China
| | - Jung-Chien Cheng
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China.
| | - Ying-Pu Sun
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, 450052, Henan, China.
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Chu YH, Lin JD, Nath S, Schachtrup C. Id proteins: emerging roles in CNS disease and targets for modifying neural stemcell behavior. Cell Tissue Res 2021; 387:433-449. [PMID: 34302526 PMCID: PMC8975794 DOI: 10.1007/s00441-021-03490-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/18/2021] [Indexed: 12/14/2022]
Abstract
Neural stem/progenitor cells (NSPCs) are found in the adult brain and spinal cord, and endogenous or transplanted NSPCs contribute to repair processes and regulate immune responses in the CNS. However, the molecular mechanisms of NSPC survival and integration as well as their fate determination and functionality are still poorly understood. Inhibitor of DNA binding (Id) proteins are increasingly recognized as key determinants of NSPC fate specification. Id proteins act by antagonizing the DNA-binding activity of basic helix-loop-helix (bHLH) transcription factors, and the balance of Id and bHLH proteins determines cell fate decisions in numerous cell types and developmental stages. Id proteins are central in responses to environmental changes, as they occur in CNS injury and disease, and cellular responses in adult NSPCs implicate Id proteins as prime candidates for manipulating stemcell behavior. Here, we outline recent advances in understanding Id protein pleiotropic functions in CNS diseases and propose an integrated view of Id proteins and their promise as potential targets in modifying stemcell behavior to ameliorate CNS disease.
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Affiliation(s)
- Yu-Hsuan Chu
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Jia-di Lin
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Suvra Nath
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Christian Schachtrup
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
- Center for Basics in NeuroModulation (NeuroModulBasics), Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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15
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Fang L, Wang S, Han X, Gao Y, Li Y, Cheng JC, Sun YP. Amphiregulin stimulates human chorionic gonadotropin expression by inducing ERK1/2-mediated ID3 expression in trophoblast cells. Placenta 2021; 112:73-80. [PMID: 34329970 DOI: 10.1016/j.placenta.2021.07.292] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/22/2021] [Accepted: 07/20/2021] [Indexed: 11/29/2022]
Abstract
INTRODUCTION The human chorionic gonadotropin (hCG) is a dimer consisting of an α subunit and a β subunit which is encoded by the CGB gene and is unique to hCG. hCG is a hormone mainly synthesized by syncytiotrophoblast cells in the placenta, plays a critical role in stimulating progesterone production that is necessary for maintaining normal pregnancy in the early stage. Epidermal growth factor receptor (EGFR) belongs to the receptor tyrosine kinase family which has been shown to regulate various physiological and pathological events. In human chorionic villi and amniotic fluid, amphiregulin (AREG) is reported to be the most abundant EGFR ligand and can stimulate hCG expression. However, the underlying mechanism remains unknown. METHODS We use BeWo cells, the commonly used cell model for the hCG production of trophoblast cells, as an in vitro model. The effects of AREG on CGB expression and hCG secretion as well as the underlying mechanisms were explored by a series of in vitro experiments. RESULTS We show that treatment with AREG stimulates CGB expression and hCG secretion. Using pharmacological inhibitors, we show that the stimulatory effects of AREG on CGB expression and hCG secretion are mediated by the EGFR-activated ERK1/2 signaling pathways. In addition, the expression of inhibitor of DNA-binding protein 3 (ID3) is upregulated by AREG. Knockdown of ID3 attenuates the AREG-induced upregulation of CGB expression and hCG secretion. DISCUSSION This study provides important insights into the molecular mechanisms that mediate AREG-induced upregulation of hCG production in human trophoblast cells which may lead to the development of alternative therapeutic approaches for the treatment of placental diseases.
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Affiliation(s)
- Lanlan Fang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Sijia Wang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Department of Obstetrics & Gynaecology, The Chinese University of Hong Kong, New Territories, Hong Kong, China
| | - Xiaoyu Han
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yibo Gao
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yuxi Li
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jung-Chien Cheng
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Ying-Pu Sun
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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16
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Lu C, Zhao Y, Wang J, Shi W, Dong F, Xin Y, Zhao X, Liu C. Breast cancer cell-derived extracellular vesicles transfer miR-182-5p and promote breast carcinogenesis via the CMTM7/EGFR/AKT axis. Mol Med 2021; 27:78. [PMID: 34294040 PMCID: PMC8296627 DOI: 10.1186/s10020-021-00338-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 07/01/2021] [Indexed: 02/06/2023] Open
Abstract
Background Extracellular vesicles (EVs) derived from tumor cells are implicated in the progression of malignancies through the transfer of molecular cargo microRNAs (miRNAs or miRs). We aimed to explore the role of EVs derived from breast cancer cells carrying miR-182-5p in the occurrence and development of breast cancer. Methods Differentially expressed miRNAs and their downstream target genes related to breast cancer were screened through GEO and TCGA databases. miR-182-5p expression was examined in cancer tissues and adjacent normal tissues from patients with breast cancer. EVs were isolated from breast cancer cell line MDA-MB-231 cells and identified. The gain- and loss-of function approaches of miR-182-5p and CKLF-like MARVEL transmembrane domain-containing 7 (CMTM7) were performed in MDA-MB-231 cells and the isolated EVs. Human umbilical vein endothelial cells (HUVECs) were subjected to co-culture with MDA-MB-231 cell-derived EVs and biological behaviors were detected by CCK-8 assay, flow cytometry, immunohistochemical staining, Transwell assay and vessel-like tube formation in vitro. A xenograft mouse model in nude mice was established to observe the tumorigenesis and metastasis of breast cancer cells in vivo. Results miR-182-5p was highly expressed in breast cancer tissues and cells, and this high expression was associated with poor prognosis of breast cancer patients. miR-182-5p overexpression was shown to promote tumor angiogenesis in breast cancer. Moreover, our data indicated that miR-182-5p was highly enriched in EVs from MDA-MD-231 cells and then ultimately enhanced the proliferation, migration, and angiogenesis of HUVECs in vitro and in vivo. Moreover, we found that CMTM7 is a target of miR-182-5p. EVs-miR-182-5p promotes tumorigenesis and metastasis of breast cancer cells by regulating the CMTM7/EGFR/AKT signaling axis. Conclusions Taken altogether, our findings demonstrates that EVs secreted by breast cancer cells could carry miR-182-5p to aggravate breast cancer through downregulating CMTM7 expression and activating the EGFR/AKT signaling pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s10020-021-00338-8.
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Affiliation(s)
- Chong Lu
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Yu Zhao
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Jing Wang
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Wei Shi
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Fang Dong
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Yue Xin
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Xiangwang Zhao
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Chunping Liu
- Department of breast and thyroid surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China.
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17
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Dorrell MI, Kast-Woelbern HR, Botts RT, Bravo SA, Tremblay JR, Giles S, Wada JF, Alexander M, Garcia E, Villegas G, Booth CB, Purington KJ, Everett HM, Siles EN, Wheelock M, Silva JA, Fortin BM, Lowey CA, Hale AL, Kurz TL, Rusing JC, Goral DM, Thompson P, Johnson AM, Elson DJ, Tadros R, Gillette CE, Coopwood C, Rausch AL, Snowbarger JM. A novel method of screening combinations of angiostatics identifies bevacizumab and temsirolimus as synergistic inhibitors of glioma-induced angiogenesis. PLoS One 2021; 16:e0252233. [PMID: 34077449 PMCID: PMC8172048 DOI: 10.1371/journal.pone.0252233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/11/2021] [Indexed: 12/15/2022] Open
Abstract
Tumor angiogenesis is critical for the growth and progression of cancer. As such, angiostasis is a treatment modality for cancer with potential utility for multiple types of cancer and fewer side effects. However, clinical success of angiostatic monotherapies has been moderate, at best, causing angiostatic treatments to lose their early luster. Previous studies demonstrated compensatory mechanisms that drive tumor vascularization despite the use of angiostatic monotherapies, as well as the potential for combination angiostatic therapies to overcome these compensatory mechanisms. We screened clinically approved angiostatics to identify specific combinations that confer potent inhibition of tumor-induced angiogenesis. We used a novel modification of the ex ovo chick chorioallantoic membrane (CAM) model that combined confocal and automated analyses to quantify tumor angiogenesis induced by glioblastoma tumor onplants. This model is advantageous due to its low cost and moderate throughput capabilities, while maintaining complex in vivo cellular interactions that are difficult to replicate in vitro. After screening multiple combinations, we determined that glioblastoma-induced angiogenesis was significantly reduced using a combination of bevacizumab (Avastin®) and temsirolimus (Torisel®) at doses below those where neither monotherapy demonstrated activity. These preliminary results were verified extensively, with this combination therapy effective even at concentrations further reduced 10-fold with a CI value of 2.42E-5, demonstrating high levels of synergy. Thus, combining bevacizumab and temsirolimus has great potential to increase the efficacy of angiostatic therapy and lower required dosing for improved clinical success and reduced side effects in glioblastoma patients.
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Affiliation(s)
- Michael I. Dorrell
- Department of Biology, Point Loma Nazarene University, San Diego, CA, United States of America
- * E-mail:
| | - Heidi R. Kast-Woelbern
- Department of Biology, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Ryan T. Botts
- Department of Mathematical, Information, and Computer Sciences, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Stephen A. Bravo
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Jacob R. Tremblay
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Sarah Giles
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Jessica F. Wada
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - MaryAnn Alexander
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Eric Garcia
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Gabriel Villegas
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Caylor B. Booth
- Department of Mathematical, Information, and Computer Sciences, Dr. Ryan Bott’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Kaitlyn J. Purington
- Department of Mathematical, Information, and Computer Sciences, Dr. Ryan Bott’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Haylie M. Everett
- Department of Mathematical, Information, and Computer Sciences, Dr. Ryan Bott’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Erik N. Siles
- Department of Mathematical, Information, and Computer Sciences, Dr. Ryan Bott’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Michael Wheelock
- Department of Mathematical, Information, and Computer Sciences, Dr. Ryan Bott’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Jordan A. Silva
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Bridget M. Fortin
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Connor A. Lowey
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Allison L. Hale
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Troy L. Kurz
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Jack C. Rusing
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Dawn M. Goral
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Paul Thompson
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Alec M. Johnson
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Daniel J. Elson
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Roujih Tadros
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Charisa E. Gillette
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Carley Coopwood
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Amy L. Rausch
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
| | - Jeffrey M. Snowbarger
- Department of Biology, Dr. Michael Dorrell’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
- Department of Biology, Dr. Heidi R. Kast-Woelbern’s Lab, Point Loma Nazarene University, San Diego, CA, United States of America
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Wang G, Zhang M, Cheng M, Wang X, Li K, Chen J, Chen Z, Chen S, Chen J, Xiong G, Xu X, Wang C, Chen D. Tumor microenvironment in head and neck squamous cell carcinoma: Functions and regulatory mechanisms. Cancer Lett 2021; 507:55-69. [PMID: 33741424 DOI: 10.1016/j.canlet.2021.03.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 02/07/2023]
Abstract
The tumor microenvironment has been recently reported to play a pivotal role in sustaining tumor cells survival and protecting them from immunotherapy and chemotherapy-induced death. It remains largely unknown how the specific signaling pathway exerts the tumor microenvironment in head and neck squamous cell carcinoma though previous studies have elucidated the regulatory mechanisms involve in tumor immune microenvironment, stromal cells, tumor angiogenesis and cancer stem cell. These components are responsible for tumor progression as well as anti-cancer therapy resistance, leading to rapid tumor growth and treatment failure. In this review, we focus on discussing the interaction between tumor cells and the surrounding components for better understanding of anti-cancer treatment ineffectiveness and its underlying molecular mechanisms.
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Affiliation(s)
- Ganping Wang
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Ming Zhang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, 510030, China
| | - Maosheng Cheng
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiaochen Wang
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Kang Li
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jianwen Chen
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Zhi Chen
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Shuang Chen
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jie Chen
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Gan Xiong
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, 510030, China
| | - Xiuyun Xu
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, 510030, China
| | - Cheng Wang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, 510030, China
| | - Demeng Chen
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
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Iranmanesh Y, Jiang B, Favour OC, Dou Z, Wu J, Li J, Sun C. Mitochondria's Role in the Maintenance of Cancer Stem Cells in Glioblastoma. Front Oncol 2021; 11:582694. [PMID: 33692947 PMCID: PMC7937970 DOI: 10.3389/fonc.2021.582694] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 01/08/2021] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma (GBM), one of the deadliest primary brain malignancies, is characterized by a high recurrence rate due to its limited response to existing therapeutic strategies such as chemotherapy, radiation therapy, and surgery. Several mechanisms and pathways have been identified to be responsible for GBM therapeutic resistance. Glioblastoma stem cells (GSCs) are known culprits of GBM resistance to therapy. GSCs are characterized by their unique self-renewal, differentiating capacity, and proliferative potential. They form a heterogeneous population of cancer stem cells within the tumor and are further divided into different subpopulations. Their distinct molecular, genetic, dynamic, and metabolic features distinguish them from neural stem cells (NSCs) and differentiated GBM cells. Novel therapeutic strategies targeting GSCs could effectively reduce the tumor-initiating potential, hence, a thorough understanding of mechanisms involved in maintaining GSCs' stemness cannot be overemphasized. The mitochondrion, a regulator of cellular physiological processes such as autophagy, cellular respiration, reactive oxygen species (ROS) generation, apoptosis, DNA repair, and cell cycle control, has been implicated in various malignancies (for instance, breast, lung, and prostate cancer). Besides, the role of mitochondria in GBM has been extensively studied. For example, when stressors, such as irradiation and hypoxia are present, GSCs utilize specific cytoprotective mechanisms like the activation of mitochondrial stress pathways to survive the harsh environment. Proliferating GBM cells exhibit increased cytoplasmic glycolysis in comparison to terminally differentiated GBM cells and quiescent GSCs that rely more on oxidative phosphorylation (OXPHOS). Furthermore, the Warburg effect, which is characterized by increased tumor cell glycolysis and decreased mitochondrial metabolism in the presence of oxygen, has been observed in GBM. Herein, we highlight the importance of mitochondria in the maintenance of GSCs.
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Affiliation(s)
| | - Biao Jiang
- Department of Radiology, The 2nd Affiliated Hospital of Zhejiang University Medical School, Hangzhou, China
| | - Okoye C Favour
- School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhangqi Dou
- Department of Neurosurgery, The 2nd Affiliated Hospital of Zhejiang University Medical School, Hangzhou, China
| | - Jiawei Wu
- Department of Neurosurgery, The 2nd Affiliated Hospital of Zhejiang University Medical School, Hangzhou, China
| | - Jinfan Li
- Department of Pathology, The 2nd Affiliated Hospital of Zhejiang University Medical School, Hangzhou, China
| | - Chongran Sun
- Department of Neurosurgery, The 2nd Affiliated Hospital of Zhejiang University Medical School, Hangzhou, China
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20
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Wang L, Ringelberg CS, Singh BR. Dramatic neurological and biological effects by botulinum neurotoxin type A on SH-SY5Y neuroblastoma cells, beyond the blockade of neurotransmitter release. BMC Pharmacol Toxicol 2020; 21:66. [PMID: 32891179 PMCID: PMC7487822 DOI: 10.1186/s40360-020-00443-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 08/25/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Gene expression profile analysis on mammalian cell lines and animal models after exposure to botulinum neurotoxin (BoNT) has been investigated in several studies in recent years. Microarray analysis provides a powerful tool for identifying critical signaling pathways involved in the biological and inflammatory responses to BoNT and helps determine the mechanism of the function of botulinum toxins. One of the pivotal clinical characteristics of BoNT is its prolonged on-site effects. The role of BoNT on the blockage of neurotransmitter acetylcholine release in the neuromuscular junction has been well established. However, the effects of the treatment time of BoNT on the human cellular model and its potential mechanism remain to be defined. METHODS This study aimed to use gene microarray technology to compare the two physiological critical time points of BoNT type A (BoNT/A) treatment of human neuroblastoma cells and to advance our understanding of the profound biological influences that toxin molecules play in the neuronal cellular system. SH-SY5Y neuroblastoma cells were treated with BoNT/A for 4 and 48 h, which represent the time needed for the entrance of toxin into the cells and the time necessary for the initial appearance of the on-site effects after BoNT application, respectively. RESULTS A comparison of the two time points identified 122 functional groups that are significantly changed. The top five groups are alternative splicing, phosphoprotein, nucleus, cytoplasm, and acetylation. Furthermore, after 48 h, there were 744 genes significantly up-regulated, and 624 genes significantly down-regulated (p‹ 0.01). These genes fell into the following neurological and biological annotation groups: Nervous system development, proteinaceous extracellular matrix, signaling pathways regulating pluripotency of stem cells, cellular function and signal transduction, and apoptosis. We have also noticed that the up-regulated groups contained neuronal cell development, nervous system development, and metabolic processes. In contrast, the down-regulated groups contained many chromosomes and cell cycle categories. CONCLUSIONS The effects of BoNT/A on neuronal cells extend beyond blocking the neurotransmitter release, and that BoNT/A is a multifunctional molecule that can evoke profound cellular responses which warrant a more in-depth understanding of the mechanism of the toxin's effects after administration.
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Affiliation(s)
- Lei Wang
- Prime Bio, Inc., North Dartmouth, MA, 02747, USA
| | - Carol S Ringelberg
- Genomics and Molecular Biology Shared Resource, Geisel School of Medicine at Dartmouth, Hanover, NH, 03755, USA
| | - Bal R Singh
- Prime Bio, Inc., North Dartmouth, MA, 02747, USA. .,Institute of Advanced Sciences, Botulinum Research Center, North Dartmouth, MA, 02747, USA.
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21
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Wang Z, Gao L, Guo X, Wang Y, Wang Y, Ma W, Guo Y, Xing B. A novel hypoxic tumor microenvironment signature for predicting the survival, progression, immune responsiveness and chemoresistance of glioblastoma: a multi-omic study. Aging (Albany NY) 2020; 12:17038-17061. [PMID: 32857727 PMCID: PMC7521504 DOI: 10.18632/aging.103626] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 06/22/2020] [Indexed: 02/07/2023]
Abstract
The hypoxic tumor microenvironment (TME) was reported to promote the aggressive phenotype, progression, recurrence, and chemoresistance of glioblastoma (GBM). We developed and validated a hypoxia gene signature for individualized prognostic prediction in GBM patients. In total, 259 GBM-specific hypoxia-related genes (HRGs) were obtained in hypoxic cultured GBM cells compared with normoxic cells. By applying the k-means algorithm, TCGA GBM patients were divided into two subgroups, and the patients in Cluster 1 exhibited high HRG expression patterns, older age, and poor prognosis, which was validated in the CGGA cohort. Cox regression analyses were performed to generate an HRG-based risk score model consisting of five HRGs, which could reliably discriminate the overall survival (OS) and progression-free survival (PFS) of high- and low-risk patients in both the TCGA training and CGGA validation cohorts. Then, nomograms with the hypoxia signature for OS and PFS prediction were constructed for individualized survival prediction, better treatment decision-making, and follow-up scheduling. Finally, functional enrichment, immune infiltration, immunotherapy response prediction and chemotherapy resistance analyses demonstrated the vital roles of the hypoxic TME in the development, progression, multitherpy resistance of GBM. The hypoxia gene signature could serve as a promising prognostic predictor and potential therapeutic target to combat chemoresistant GBM.
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Affiliation(s)
- Zihao Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Lu Gao
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Xiaopeng Guo
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Yaning Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Yu Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Wenbin Ma
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Yi Guo
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
| | - Bing Xing
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China
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22
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Combined treatment with CBP and BET inhibitors reverses inadvertent activation of detrimental super enhancer programs in DIPG cells. Cell Death Dis 2020; 11:673. [PMID: 32826850 PMCID: PMC7442654 DOI: 10.1038/s41419-020-02800-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 07/15/2020] [Accepted: 07/15/2020] [Indexed: 12/19/2022]
Abstract
Diffuse intrinsic pontine gliomas (DIPG) are the most aggressive brain tumors in children with 5-year survival rates of only 2%. About 85% of all DIPG are characterized by a lysine-to-methionine substitution in histone 3, which leads to global H3K27 hypomethylation accompanied by H3K27 hyperacetylation. Hyperacetylation in DIPG favors the action of the Bromodomain and Extra-Terminal (BET) protein BRD4, and leads to the reprogramming of the enhancer landscape contributing to the activation of DIPG super enhancer-driven oncogenes. The activity of the acetyltransferase CREB-binding protein (CBP) is enhanced by BRD4 and associated with acetylation of nucleosomes at super enhancers (SE). In addition, CBP contributes to transcriptional activation through its function as a scaffold and protein bridge. Monotherapy with either a CBP (ICG-001) or BET inhibitor (JQ1) led to the reduction of tumor-related characteristics. Interestingly, combined treatment induced strong cytotoxic effects in H3.3K27M-mutated DIPG cell lines. RNA sequencing and chromatin immunoprecipitation revealed that these effects were caused by the inactivation of DIPG SE-controlled tumor-related genes. However, single treatment with ICG-001 or JQ1, respectively, led to activation of a subgroup of detrimental super enhancers. Combinatorial treatment reversed the inadvertent activation of these super enhancers and rescued the effect of ICG-001 and JQ1 single treatment on enhancer-driven oncogenes in H3K27M-mutated DIPG, but not in H3 wild-type pedHGG cells. In conclusion, combinatorial treatment with CBP and BET inhibitors is highly efficient in H3K27M-mutant DIPG due to reversal of inadvertent activation of detrimental SE programs in comparison with monotherapy.
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23
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Cellular Plasticity and Tumor Microenvironment in Gliomas: The Struggle to Hit a Moving Target. Cancers (Basel) 2020; 12:cancers12061622. [PMID: 32570988 PMCID: PMC7352204 DOI: 10.3390/cancers12061622] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/15/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022] Open
Abstract
Brain tumors encompass a diverse group of neoplasias arising from different cell lineages. Tumors of glial origin have been the subject of intense research because of their rapid and fatal progression. From a clinical point of view, complete surgical resection of gliomas is highly difficult. Moreover, the remaining tumor cells are resistant to traditional therapies such as radio- or chemotherapy and tumors always recur. Here we have revised the new genetic and epigenetic classification of gliomas and the description of the different transcriptional subtypes. In order to understand the progression of the different gliomas we have focused on the interaction of the plastic tumor cells with their vasculature-rich microenvironment and with their distinct immune system. We believe that a comprehensive characterization of the glioma microenvironment will shed some light into why these tumors behave differently from other cancers. Furthermore, a novel classification of gliomas that could integrate the genetic background and the cellular ecosystems could have profound implications in the efficiency of current therapies as well as in the development of new treatments.
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24
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Vengoji R, Ponnusamy MP, Rachagani S, Mahapatra S, Batra SK, Shonka N, Macha MA. Novel therapies hijack the blood-brain barrier to eradicate glioblastoma cancer stem cells. Carcinogenesis 2019; 40:2-14. [PMID: 30475990 DOI: 10.1093/carcin/bgy171] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2018] [Revised: 10/12/2018] [Accepted: 11/21/2018] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma (GBM) is amongst the most aggressive brain tumors with a dismal prognosis. Despite significant advances in the current multimodality therapy including surgery, postoperative radiotherapy (RT) and temozolomide (TMZ)-based concomitant and adjuvant chemotherapy (CT), tumor recurrence is nearly universal with poor patient outcomes. These limitations are in part due to poor drug penetration through the blood-brain barrier (BBB) and resistance to CT and RT by a small population of cancer cells recognized as tumor-initiating cells or cancer stem cells (CSCs). Though CT and RT kill the bulk of the tumor cells, they fail to affect CSCs, resulting in their enrichment and their development into more refractory tumors. Therefore, identifying the mechanisms of resistance and developing therapies that specifically target CSCs can improve response, prevent the development of refractory tumors and increase overall survival of GBM patients. Small molecule inhibitors that can breach the BBB and selectively target CSCs are emerging. In this review, we have summarized the recent advancements in understanding the GBM CSC-specific signaling pathways, the CSC-tumor microenvironment niche that contributes to CT and RT resistance and the use of novel combination therapies of small molecule inhibitors that may be used in conjunction with TMZ-based chemoradiation for effective management of GBM.
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Affiliation(s)
- Raghupathy Vengoji
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Moorthy P Ponnusamy
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Satyanarayana Rachagani
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Sidharth Mahapatra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, USA
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.,Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.,Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA
| | - Nicole Shonka
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Muzafar A Macha
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.,Department of Otolaryngology/Head and Neck Surgery, University of Nebraska Medical Center, Omaha, NE, USA
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25
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Guo X, Luo Z, Xia T, Wu L, Shi Y, Li Y. Identification of miRNA signature associated with BMP2 and chemosensitivity of TMZ in glioblastoma stem-like cells. Genes Dis 2019; 7:424-439. [PMID: 32884997 PMCID: PMC7452549 DOI: 10.1016/j.gendis.2019.09.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/12/2019] [Accepted: 09/04/2019] [Indexed: 01/01/2023] Open
Abstract
Glioblastoma multiform (GBM) is the most lethal intracranial tumor in adults. Glioblastoma stem-like cells (GSCs) are responsible for tumorigenesis and chemotherapy resistance. BMPs are known to increase temozolomide (TMZ) response in GSCs, however, the intracellular molecular mechanism remains largely unknown. In this study, we built a GSC cell model called U87S, and performed RNA sequencing to identify differentially expressed (DE) miRNA profiles in U87S cells treated with BMP2, TMZ or combined BMP2 and TMZ respectively. Bioinformatics analysis revealed that most DE miRNAs were involved in the cancer pathways, suggesting their crucial roles in gliomagenesis. Eight miRNAs from RNA-seq were validated. Four out of these miRNAs (has-miR-199a-3p, hsa-miR-374b-5p, hsa-miR-320d, and hsa-miR-339-5p) were found significantly up-regulated in GBM tumor tissues. One of them, hsa-miR-199a-3p, was significantly correlated with the survival of GBM patients, and differentially expressed in U87S cells. Expression of hsa-miR-199a-3p was up-regulated by BMP. Overexpression of hsa-miR-199a-3p in U87S cells inhibited cell viability and enhanced the cytotoxicity of TMZ. And activation of BMP boosted the effect of hsa-miR-199a-3p on cell viability and TMZ-mediated cytotoxicity. Besides, expressions of five predicted targets of hsa-miR-199a-3p were evaluated. Four of them were differentially expressed in GBM tumors. And one of them, SLC22A18, was associated with the survival of GBM patients. In the end, a hsa-miR-199a-3p-mediated ceRNA network was constructed for the convenience of future study. Together, our data provided DE miRNA expression profiles associated with BMP2 and TMZ in GSCs, which might lead to finding out miRNA-based target therapies that specially target GSCs.
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Affiliation(s)
- Xiaoyu Guo
- Life Science Institute, Chongqing Medical University, Chongqing, China
| | - Ziguo Luo
- Life Science Institute, Chongqing Medical University, Chongqing, China
| | - Tong Xia
- Life Science Institute, Chongqing Medical University, Chongqing, China
| | - Lanxiang Wu
- Life Science Institute, Chongqing Medical University, Chongqing, China
| | - Yanshu Shi
- Department of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Ying Li
- Life Science Institute, Chongqing Medical University, Chongqing, China
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26
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Hori T, Sasayama T, Tanaka K, Koma YI, Nishihara M, Tanaka H, Nakamizo S, Nagashima H, Maeyama M, Fujita Y, Yokozaki H, Hirose T, Kohmura E. Tumor-associated macrophage related interleukin-6 in cerebrospinal fluid as a prognostic marker for glioblastoma. J Clin Neurosci 2019; 68:281-289. [PMID: 31327593 DOI: 10.1016/j.jocn.2019.07.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 07/06/2019] [Indexed: 12/22/2022]
Abstract
Interleukin-6 (IL-6) is one of the pleiotropic cytokines and has received attention as a critical factor implicated in the invasion and the angiogenesis of various cancers. In glioma, IL-6 is known to be associated with the prognosis; however, the roles of IL-6 in cerebrospinal fluid (CSF) has not been studied sufficiently. We examined the concentration of CSF IL-6 using 75 CSF samples of glioma (54 glioblastomas (GBMs) and 21 other grades of gliomas) and analyzed the association CSF IL-6 with infiltration levels of tumor-associated macrophages (TAMs) and prognosis. The concentration of CSF IL-6 in GBM patients was significantly higher than that in other grades of gliomas. CSF IL-6 levels were associated with the infiltration rate of TAMs in GBMs, and IL-6 levels were increased in the GBM cells co-cultured with TAM-like macrophages. The CSF of GBM patients, which contained high concentration of IL-6, promoted the migration ability of GBM cells, and neutralization antibodies of IL-6 inhibited its migration ability. Finally, in both univariate and multivariate analysis, higher CSF IL-6 levels were associated with poorer prognosis in GBM patients. These results indicated that the concentration of CSF IL-6 is associated with TAMs' infiltration level and may be a useful prognostic biomarker for the GBM patients.
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Affiliation(s)
- Tatsuo Hori
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
| | - Takashi Sasayama
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.
| | - Kazuhiro Tanaka
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
| | - Yu-Ichiro Koma
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | | | - Hirotomo Tanaka
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
| | - Satoshi Nakamizo
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
| | - Hiroaki Nagashima
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan; Department of Neurosurgery, Massachusetts General Hospital Research Institute, Simches Research Center, Boston, MA, United States
| | - Masahiro Maeyama
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
| | - Yuichi Fujita
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
| | - Hiroshi Yokozaki
- Division of Pathology, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takanori Hirose
- Department of Pathology for Regional Communication, Kobe University Hospital, Kobe, Japan
| | - Eiji Kohmura
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
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27
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Paulmurugan R, Malhotra M, Massoud TF. The protean world of non-coding RNAs in glioblastoma. J Mol Med (Berl) 2019; 97:909-925. [PMID: 31129756 DOI: 10.1007/s00109-019-01798-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 05/05/2019] [Accepted: 05/13/2019] [Indexed: 12/12/2022]
Abstract
Non-coding ribonucleic acids (ncRNAs) are a diverse group of RNA molecules that are mostly not translated into proteins following transcription. We review the role of ncRNAs in the pathobiology of glioblastoma (GBM), and their potential applications for GBM therapy. Significant advances in our understanding of the protean manifestations of ncRNAs have been made, allowing us to better decipher the molecular complexity of GBM. A large number of regulatory ncRNAs appear to have a greater influence on the molecular pathology of GBM than thought previously. Importantly, also, a range of therapeutic approaches are emerging whereby ncRNA-based systems may be used to molecularly target GBM. The most successful of these is RNA interference, and some of these strategies are being evaluated in ongoing clinical trials. However, a number of limitations exist in the clinical translation of ncRNA-based therapeutic systems, such as delivery mechanisms and cytotoxicity; concerted research endeavors are currently underway in an attempt to overcome these. Ongoing and future studies will determine the potential practical role for ncRNA-based therapeutic systems in the clinical management of GBM. These applications may be especially promising, given that current treatment options are limited and prognosis remains poor for this challenging malignancy.
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Affiliation(s)
- Ramasamy Paulmurugan
- Cellular Pathway Imaging Laboratory (CPIL), Molecular Imaging Program at Stanford, Stanford University School of Medicine, 3155 Porter Drive, Palo Alto, CA, 94305, USA.
| | - Meenakshi Malhotra
- Laboratory of Experimental and Molecular Neuroimaging (LEMNI), Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Drive, Grant S-031, Stanford, CA, 94305-5105, USA
| | - Tarik F Massoud
- Laboratory of Experimental and Molecular Neuroimaging (LEMNI), Molecular Imaging Program at Stanford, Stanford University School of Medicine, 300 Pasteur Drive, Grant S-031, Stanford, CA, 94305-5105, USA.
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28
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Huang L, Cai J, Guo H, Gu J, Tong Y, Qiu B, Wang C, Li M, Xia L, Zhang J, Wu H, Kong X, Xia Q. ID3 Promotes Stem Cell Features and Predicts Chemotherapeutic Response of Intrahepatic Cholangiocarcinoma. Hepatology 2019; 69:1995-2012. [PMID: 30520117 DOI: 10.1002/hep.30404] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 11/25/2018] [Indexed: 12/15/2022]
Abstract
Cancer stem cells contribute to a high rate of recurrence and chemotherapeutic resistance in many types of cancer, including intrahepatic cholangiocarcinoma (ICC). Inhibitor of differentiation 3 (ID3) has been reported to promote cancer stem cells, but its role in ICC is obscure. In this study, we identified that ID3 is highly expressed in human ICC tissues compared with matched normal tissues and correlates with poor prognosis. Functional studies demonstrate that ID3 is required for stemness maintenance in cholangiocarcinoma both in vitro and in vivo. Consistent with the regulation of cancer stem cell features by ID3, transgenic expression of ID3 enhances chemoresistance of cholangiocarcinoma cells. Moreover, we found that ICC patients with low ID3 levels benefited from postoperative transarterial chemoembolization, whereas patients with high ID3 levels did not, indicating the significance of ID3 in individualized ICC therapy. Mechanistically, ID3 could interact with E47 and block E47 recruitment to the promoter of β-catenin, which leads to activation of Wnt/β-catenin signaling. Conclusion: Our results show that ID3 could promote the stemness of ICC by increasing the transcriptional activity of β-catenin and could serve as a biomarker in predicting ICC patients' response to adjuvant chemotherapeutics.
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Affiliation(s)
- Lifeng Huang
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Department of General Surgery, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Jie Cai
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Han Guo
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jinyang Gu
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Tong
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Bijun Qiu
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Chenchen Wang
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Meng Li
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Lei Xia
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jianjun Zhang
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hailong Wu
- Shanghai Key Laboratory for Molecular Imaging, Collaborative Research Center, Shanghai University of Medicine & Health Science, Shanghai, China
| | - Xiaoni Kong
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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29
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Sun J, Zheng Z, Chen Q, Pan Y, Lu H, Zhang H, Yu Y, Dai Y. NRF3 suppresses breast cancer cell metastasis and cell proliferation and is a favorable predictor of survival in breast cancer. Onco Targets Ther 2019; 12:3019-3030. [PMID: 31114245 PMCID: PMC6489644 DOI: 10.2147/ott.s197409] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 03/15/2019] [Indexed: 12/30/2022] Open
Abstract
Background: Cancer metastasis is the leading cause of cancer-related death in breast cancer. However, our understanding of its mechanisms is still limited. At this study, the biological roles and clinical significance of NRF3 (NFE2L3, nuclear factor, Erythroid 2 Like 3) in breast cancer are evaluated for the first time. Methods: NRF3 expression in breast cancer cell lines and clinical specimens was determined by western blot and immunohistochemistry, respectively. Cell proliferation, cell cycle distribution, cell migration, and invasion were detected by MTT, colony formation, flow cytometry, and transwell assays, respectively. All other proteins were measured by western blot. The clinical significance of NRF3 was analyzed using the data from tissue microarray. Results: We found that NRF3 expression was obviously suppressed in breast cancer tissues, and negatively associated with the Lymph node metastasis status and tumor stages. Our data also indicated NRF3 expression was much higher in MCF-7 cells than that in MDA-MB-231 and SKBR3 cells which were more malignant. Silence of NRF3 in MCF-7 cells could significantly promote cell proliferation by reducing the cell number in the G0/G1 phase. Exogenous expression of NRF3 in SKBR3 and MDA-MB-231 cells effectively inhibited both cell growth and metastasis with epithelial–mesenchymal transition and MMPs expression suppressed. NRF3 overexpression also impaired the ID3 expression by inactivating the AKT signaling pathway. Exogenous expression of ID3 could not only effectively promote breast cancer cell invasion by inhibiting E-cadherin expression and upregulating MMP-2 expression, but also attenuated the inhibitory function of NRF3 on the breast cancer cell invasion. Conclusion: Our findings suggested that NRF3 inhibited breast cancer cell proliferation and metastasis via inhibiting AKT/ID3 axis at least partially, and potentially to be a valuable clinic marker in breast cancer prognosis.
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Affiliation(s)
- Jianguo Sun
- Department of Surgical Oncology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China.,Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Zhibao Zheng
- Department of Surgical Oncology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Qi Chen
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Yin Pan
- Department of Surgical Oncology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Hongsheng Lu
- Department of Pathology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Hui Zhang
- Department of Pathology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Yingzhi Yu
- Department of Pathology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
| | - Yuechu Dai
- Department of Surgical Oncology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, People's Republic of China
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Jeon HY, Ham SW, Kim JK, Jin X, Lee SY, Shin YJ, Choi CY, Sa JK, Kim SH, Chun T, Jin X, Nam DH, Kim H. Ly6G + inflammatory cells enable the conversion of cancer cells to cancer stem cells in an irradiated glioblastoma model. Cell Death Differ 2019; 26:2139-2156. [PMID: 30804471 PMCID: PMC6748155 DOI: 10.1038/s41418-019-0282-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 01/07/2019] [Accepted: 01/09/2019] [Indexed: 02/08/2023] Open
Abstract
Most glioblastomas frequently recur at sites of radiotherapy, but it is unclear if changes in the tumor microenvironment due to radiotherapy influence glioblastoma recurrence. Here, we demonstrate that radiation-induced senescent glioblastoma cells exhibit a senescence-associated secretory phenotype that functions through NFκB signaling to influence changes in the tumor microenvironment, such as recruitment of Ly6G+ inflammatory cells and vessel formation. In particular, Ly6G+ cells promote conversion of glioblastoma cells to glioblastoma stem cells (GSCs) through the NOS2-NO-ID4 regulatory axis. Specific inhibition of NFκB signaling in irradiated glioma cells using the IκBα super repressor prevents changes in the tumor microenvironment and dedifferentiation of glioblastoma cells. Treatment with Ly6G-neutralizing antibodies also reduces the number of GSCs and prolongs survival in tumor-bearing mice after radiotherapy. Clinically, a positive correlation exists between Ly6G+ cells and the NOS2-NO-ID4 regulatory axis in patients diagnosed with recurrent glioblastoma. Together, our results illustrate important roles for Ly6G+ inflammatory cells recruited by radiation-induced SASP in cancer cell dedifferentiation and tumor recurrence.
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Affiliation(s)
- Hee-Young Jeon
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Seok Won Ham
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Jun-Kyum Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Xiong Jin
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Seon Yong Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
| | - Yong Jae Shin
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Institute for Refractory Cancer Research, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Chang-Yong Choi
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Jason K Sa
- Institute for Refractory Cancer Research, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Se Hoon Kim
- Department of Pathology, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Taehoon Chun
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Xun Jin
- Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Institute of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Do-Hyun Nam
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Institute for Refractory Cancer Research, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea.,Department of Health Science & Technology, Samsung Advanced Institute for Health Science & Technology, Sungkyunkwan University, Seoul, Republic of Korea
| | - Hyunggee Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea. .,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea. .,Department of Medical Engineering, College of Medicine, Korea University, Seoul, Republic of Korea.
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31
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Chistiakov DA, Chekhonin VP. Circulating tumor cells and their advances to promote cancer metastasis and relapse, with focus on glioblastoma multiforme. Exp Mol Pathol 2018; 105:166-174. [DOI: 10.1016/j.yexmp.2018.07.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/01/2018] [Accepted: 07/16/2018] [Indexed: 12/12/2022]
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32
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Doke M, Das J, Felty Q. Letter to the Editor: Is Id3 proliferative or antiproliferative? Am J Physiol Lung Cell Mol Physiol 2018; 315:L334-L335. [PMID: 30088801 DOI: 10.1152/ajplung.00205.2018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Mayur Doke
- Department of Environmental Health Sciences, Florida International University , Miami, Florida
| | - Jayanta Das
- Department of Environmental Health Sciences, Florida International University , Miami, Florida
| | - Quentin Felty
- Department of Environmental Health Sciences, Florida International University , Miami, Florida
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33
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Vastrad C, Vastrad B. Bioinformatics analysis of gene expression profiles to diagnose crucial and novel genes in glioblastoma multiform. Pathol Res Pract 2018; 214:1395-1461. [PMID: 30097214 DOI: 10.1016/j.prp.2018.07.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 06/27/2018] [Accepted: 07/22/2018] [Indexed: 02/07/2023]
Abstract
Therefore, the current study aimed to diagnose the genes associated in the pathogenesis of GBM. The differentially expressed genes (DEGs) were diagnosed using the limma software package. The ToppFun was used to perform pathway and Gene Ontology (GO) enrichment analysis of the DEGs. Protein-protein interaction (PPI) networks, extracted modules, miRNA-target genes regulatory network and miRNA-target genes regulatory network were used to obtain insight into the actions of DEGs. Survival analysis for DEGs carried out. A total of 701 DEGs, including 413 upregulated and 288 downregulated genes, were diagnosed between U1118MG cell line (PK 11195 treated with 1 h exposure) and U1118MG cell line (PK 11195 treated with 24 h exposure). The up-regulated genes were enriched in superpathway of pyrimidine deoxyribonucleotides de novo biosynthesis, cell cycle, cell cycle process and chromosome. The down-regulated genes were enriched in folate transformations I, biosynthesis of amino acids, cellular amino acid metabolic process and vacuolar membrane. The current study screened the genes in PPI network, extracted modules, miRNA-target genes regulatory network and miRNA-target genes regulatory network with higher degrees as hub genes, which included MYC, TERF2IP, CDK1, EEF1G, TXNIP, SLC1A5, RGS4 and IER5L Survival suggested that low expressed NR4A2, SLC7 A5, CYR61 and ID1 in patients with GBM was linked with a positive prognosis for overall survival. In conclusion, the current study could improve our understanding of the molecular mechanisms in the progression of GBM, and these crucial as well as new molecular markers might be used as therapeutic targets for GBM.
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Affiliation(s)
- Chanabasayya Vastrad
- Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad, 580001, Karanataka, India.
| | - Basavaraj Vastrad
- Department of Pharmaceutics, SET`S College of Pharmacy, Dharwad, Karnataka, 580002, India
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34
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Ray K, Ujvari B, Ramana V, Donald J. Cross-talk between EGFR and IL-6 drives oncogenic signaling and offers therapeutic opportunities in cancer. Cytokine Growth Factor Rev 2018; 41:18-27. [DOI: 10.1016/j.cytogfr.2018.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 04/05/2018] [Indexed: 12/13/2022]
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35
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Andreopoulou E, Arampatzis A, Patsoni M, Kazanis I. Being a Neural Stem Cell: A Matter of Character But Defined by the Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1041:81-118. [PMID: 29204830 DOI: 10.1007/978-3-319-69194-7_6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The cells that build the nervous system, either this is a small network of ganglia or a complicated primate brain, are called neural stem and progenitor cells. Even though the very primitive and the very recent neural stem cells (NSCs) share common basic characteristics that are hard-wired within their character, such as the expression of transcription factors of the SoxB family, their capacity to give rise to extremely different neural tissues depends significantly on instructions from the microenvironment. In this chapter we explore the nature of the NSC microenvironment, looking through evolution, embryonic development, maturity and even disease. Experimental work undertaken over the last 20 years has revealed exciting insight into the NSC microcosmos. NSCs are very capable in producing their own extracellular matrix and in regulating their behaviour in an autocrine and paracrine manner. Nevertheless, accumulating evidence indicates an important role for the vasculature, especially within the NSC niches of the postnatal brain; while novel results reveal direct links between the metabolic state of the organism and the function of NSCs.
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Affiliation(s)
- Evangelia Andreopoulou
- Lab of Developmental Biology, Department of Biology, University of Patras, Patras, Greece
| | - Asterios Arampatzis
- Wellcome Trust- MRC Cambridge Stem Cell Biology Institute, University of Cambridge, Cambridge, UK
- School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Melina Patsoni
- Lab of Developmental Biology, Department of Biology, University of Patras, Patras, Greece
| | - Ilias Kazanis
- Lab of Developmental Biology, Department of Biology, University of Patras, Patras, Greece.
- Wellcome Trust- MRC Cambridge Stem Cell Biology Institute, University of Cambridge, Cambridge, UK.
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36
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Nakod PS, Kim Y, Rao SS. Biomimetic models to examine microenvironmental regulation of glioblastoma stem cells. Cancer Lett 2018; 429:41-53. [PMID: 29746930 DOI: 10.1016/j.canlet.2018.05.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/03/2018] [Accepted: 05/03/2018] [Indexed: 12/13/2022]
Abstract
Glioblastoma multiforme (GBM), a malignant brain tumor, is the deadliest form of human cancer with low survival rates because of its highly invasive nature. In recent years, there has been a growing appreciation for the role that glioblastoma stem cells (GSCs) play during tumorigenesis and tumor recurrence of GBM. GSCs are a specialized subset of GBM cells with stem cell-like features that contribute to tumor initiation and therapeutic resistance. Thus, to enhance therapeutic efficiency and improve survival, targeting GSCs and their microenvironmental niche appears to be a promising approach. To develop this approach, understanding GSC-microenvironment interactions is crucial. This review discusses various biomimetic model systems to understand the impact of biophysical, biochemical, and cellular microenvironmental cues on GSC behaviors. These models include two-dimensional or matrix-free environment models, engineered biomaterial-based three-dimensional models, co-culture models, and mouse and rat in vivo models. These systems have been used to study the effects of biophysical factors, modulation of signaling pathways, extracellular matrix components, and culture conditions on the GSC phenotype. The advantages and disadvantages of these model systems and their impact in the field of GSC research are discussed.
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Affiliation(s)
- Pinaki S Nakod
- Department of Chemical & Biological Engineering, The University of Alabama, Tuscaloosa, AL, USA
| | - Yonghyun Kim
- Department of Chemical & Biological Engineering, The University of Alabama, Tuscaloosa, AL, USA
| | - Shreyas S Rao
- Department of Chemical & Biological Engineering, The University of Alabama, Tuscaloosa, AL, USA.
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Glowacka WK, Jain H, Okura M, Maimaitiming A, Mamatjan Y, Nejad R, Farooq H, Taylor MD, Aldape K, Kongkham P. 5-Hydroxymethylcytosine preferentially targets genes upregulated in isocitrate dehydrogenase 1 mutant high-grade glioma. Acta Neuropathol 2018; 135:617-634. [PMID: 29428975 PMCID: PMC5978937 DOI: 10.1007/s00401-018-1821-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 01/18/2018] [Accepted: 02/07/2018] [Indexed: 01/12/2023]
Abstract
Gliomas demonstrate epigenetic dysregulation exemplified by the Glioma CpG Island Methylator Phenotype (G-CIMP) seen in IDH1 mutant tumors. 5-Hydroxymethylcytosine (5hmC) is implicated in glioma pathogenesis; however, its role in IDH1 mutant gliomas is incompletely understood. To characterize 5hmC in IDH1 mutant gliomas further, we examine 5hmC in a cohort of IDH1 mutant and wild-type high-grade gliomas (HGG) using a quantitative locus-specific approach. Regions demonstrating high 5hmC abundance and differentially hydroxymethylated regions (DHMR) enrich for enhancers implicated in glioma pathogenesis. Among these regions, IDH1 mutant tumors possess greater 5hmC compared to wild type. 5hmC contributes to overall methylation status of G-CIMP genes. 5hmC targeting gene body regions correlates significantly with increased gene expression. In particular, a strong correlation between increased 5hmC and increased gene expression is identified for genes highly expressed in the IDH1 mutant cohort. Overall, locus-specific gain of 5hmC targeting regulatory regions and associated with overexpressed genes suggests a significant role for 5hmC in IDH1 mutant HGG.
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38
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Lin Y, Zhou J, Xu J, Zhao K, Liu X, Wang G, Zhang Z, Ge Y, Zong Y, Xu D, Tan Y, Fang C, Kang C. Effects of combined radiosurgery and temozolomide therapy on epidermal growth factor receptor and variant III in glioblastoma multiforme. Oncol Lett 2018; 15:5751-5759. [PMID: 29563997 PMCID: PMC5858087 DOI: 10.3892/ol.2018.8055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 01/19/2018] [Indexed: 11/23/2022] Open
Abstract
Glioblastoma multiforme (GBM) is a highly malignant and notably aggressive primary tumour. Variant III of the epidermal growth factor receptor (EGFRvIII) is one of the most common types of variants in GBM, and serves an important role in tumour invasion, proliferation and treatment resistance. In the present study, statistical analyses were performed on data from 57 patients with GBM, and polymerase chain reaction detection was conducted on the tumour tissues from 32 of these patients. The results indicated that the EGFRvIII mutation was significantly associated with tumour malignancy. Human GBMU87-EGFRvIII cell lines were cultured and treated with radiosurgery and temozolomide individually, or with combined radiosurgery and temozolomide treatment. In vitro and in vivo experimental methods were used to detect the expression levels of Ki-67 and EGFRvIII. As verified in the present study, the EGFRvIII mutation is positively correlated with the malignancy of tumours, and combined radiosurgery and temozolomide therapy may inhibit the invasion and proliferation abilities of U87-EGFRvIII more effectively than treatment alone.
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Affiliation(s)
- Yiguang Lin
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Junhu Zhou
- Tianjin Neurological Institute, Department of Neurosurgery, Tianjin Medical University, General Hospital and Laboratory of Neurooncology, Tianjin 300052, P.R. China
| | - Jianglong Xu
- Department of Neurosurgery, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
| | - Kai Zhao
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Xiaomin Liu
- Gamma Knife Centre, Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin 300350, P.R. China
| | - Guokai Wang
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Zhiyuan Zhang
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Youlin Ge
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Yongqing Zong
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Desheng Xu
- Gamma Knife Centre, Department of Neurosurgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Yanli Tan
- Department of Neurosurgery, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
| | - Chuan Fang
- Department of Neurosurgery, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
| | - Chunsheng Kang
- Tianjin Neurological Institute, Department of Neurosurgery, Tianjin Medical University, General Hospital and Laboratory of Neurooncology, Tianjin 300052, P.R. China
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Lim YC, Quek H, Offenhäuser C, Fazry S, Boyd A, Lavin M, Roberts T, Day B. ATM inhibition prevents interleukin-6 from contributing to the proliferation of glioblastoma cells after ionizing radiation. J Neurooncol 2018; 138:509-518. [DOI: 10.1007/s11060-018-2838-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 02/10/2018] [Indexed: 12/24/2022]
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40
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Inhibitor of Differentiation-3 and Estrogenic Endocrine Disruptors: Implications for Susceptibility to Obesity and Metabolic Disorders. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6821601. [PMID: 29507860 PMCID: PMC5817379 DOI: 10.1155/2018/6821601] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 11/07/2017] [Accepted: 11/23/2017] [Indexed: 12/28/2022]
Abstract
The rising global incidence of obesity cannot be fully explained within the context of traditional risk factors such as an unhealthy diet, physical inactivity, aging, or genetics. Adipose tissue is an endocrine as well as a metabolic organ that may be susceptible to disruption by environmental estrogenic chemicals. Since some of the endocrine disruptors are lipophilic chemicals with long half-lives, they tend to bioaccumulate in the adipose tissue of exposed populations. Elevated exposure to these chemicals may predispose susceptible individuals to weight gain by increasing the number and size of fat cells. Genetic studies have demonstrated that the transcriptional regulator inhibitor of differentiation-3 (ID3) promotes high fat diet-induced obesity in vivo. We have shown previously that PCB153 and natural estrogen 17β-estradiol increase ID3 expression. Based on our findings, we postulate that ID3 is a molecular target of estrogenic endocrine disruptors (EEDs) in the adipose tissue and a better understanding of this relationship may help to explain how EEDs can lead to the transcriptional programming of deviant fat cells. This review will discuss the current understanding of ID3 in excess fat accumulation and the potential for EEDs to influence susceptibility to obesity or metabolic disorders via ID3 signaling.
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Abstract
Cancer stem cells can generate tumors from only a small number of cells, whereas differentiated cancer cells cannot. The prominent feature of cancer stem cells is its ability to self-renew and differentiate into multiple types of cancer cells. Cancer stem cells have several distinct tumorigenic abilities, including stem cell signal transduction, tumorigenicity, metastasis, and resistance to anticancer drugs, which are regulated by genetic or epigenetic changes. Like normal adult stem cells involved in various developmental processes and tissue homeostasis, cancer stem cells maintain their self-renewal capacity by activating multiple stem cell signaling pathways and inhibiting differentiation signaling pathways during cancer initiation and progression. Recently, many studies have focused on targeting cancer stem cells to eradicate malignancies by regulating stem cell signaling pathways, and products of some of these strategies are in preclinical and clinical trials. In this review, we describe the crucial features of cancer stem cells related to tumor relapse and drug resistance, as well as the new therapeutic strategy to target cancer stem cells named "differentiation therapy."
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Affiliation(s)
- Xiong Jin
- 1 Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
- 2 Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Xun Jin
- 3 Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- 4 Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
- 5 Institute of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Hyunggee Kim
- 1 Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
- 2 Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
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Li HT, Dong DY, Liu Q, Xu YQ, Chen L. Overexpression of LACTB, a Mitochondrial Protein That Inhibits Proliferation and Invasion in Glioma Cells. Oncol Res 2017; 27:423-429. [PMID: 28835318 PMCID: PMC7848465 DOI: 10.3727/096504017x15030178624579] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
LACTB, a mitochondrial protein, was ubiquitously expressed in different mammalian tissues, such as liver, heart, and skeletal muscle. It has been shown that LACTB is downexpressed in breast cancers, and it suppresses the proliferation and promotes the apoptosis of breast cancers. However, its role in the progression and prognosis of glioma remains unknown. In this study, we analyzed the clinicopathological features and outcomes of LACTB expression in 98 glioma patients and investigated the effects of LACTB overexpression on the proliferation, invasion, and angiogenesis of glioma cells in vitro. We observed a significant decrease in LACTB expression in glioma, and downexpression of LACTB is correlated with a poor prognosis of glioma patients. Moreover, Cox regression analysis reveals that the LACTB is an independent prognostic indicator for glioma patients. Overexpression of LACTB could suppress the proliferation, invasion, and angiogenesis of glioma cells. In addition, overexpression of LACTB could inhibit the expression of PCNA, MMP2, MMP9, and VEGF. Taken together, these data indicate that LACTB may serve as a promising therapeutic target for gliomas.
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Affiliation(s)
- Hai-Tao Li
- Department of Neurosurgery, The First People's Hospital of Chongqing Liang Jiang New Area, Chongqing, P.R. China
| | - Dao-Yong Dong
- Department of Neurosurgery, The First People's Hospital of Chongqing Liang Jiang New Area, Chongqing, P.R. China
| | - Qiang Liu
- Department of Neurosurgery, The First People's Hospital of Chongqing Liang Jiang New Area, Chongqing, P.R. China
| | - Yi-Qin Xu
- Department of Neurosurgery, The First People's Hospital of Chongqing Liang Jiang New Area, Chongqing, P.R. China
| | - Langbo Chen
- Department of Neurosurgery, The First People's Hospital of Chongqing Liang Jiang New Area, Chongqing, P.R. China
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Contribution of Inhibitor of DNA Binding/Differentiation-3 and Endocrine Disrupting Chemicals to Pathophysiological Aspects of Chronic Disease. BIOMED RESEARCH INTERNATIONAL 2017; 2017:6307109. [PMID: 28785583 PMCID: PMC5530454 DOI: 10.1155/2017/6307109] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 02/15/2017] [Accepted: 05/29/2017] [Indexed: 12/12/2022]
Abstract
The overwhelming increase in the global incidence of obesity and its associated complications such as insulin resistance, atherosclerosis, pulmonary disease, and degenerative disorders including dementia constitutes a serious public health problem. The Inhibitor of DNA Binding/Differentiation-3 (ID3), a member of the ID family of transcriptional regulators, has been shown to play a role in adipogenesis and therefore ID3 may influence obesity and metabolic health in response to environmental factors. This review will highlight the current understanding of how ID3 may contribute to complex chronic diseases via metabolic perturbations. Based on the increasing number of reports that suggest chronic exposure to and accumulation of endocrine disrupting chemicals (EDCs) within the human body are associated with metabolic disorders, we will also consider the impact of these chemicals on ID3. Improved understanding of the ID3 pathways by which exposure to EDCs can potentiate complex chronic diseases in populations with metabolic disorders (obesity, metabolic syndrome, and glucose intolerance) will likely provide useful knowledge in the prevention and control of complex chronic diseases associated with exposure to environmental pollutants.
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Tumor-suppressive effect of S-adenosylmethionine supplementation in a murine model of inflammation-mediated hepatocarcinogenesis is dependent on treatment longevity. Oncotarget 2017; 8:104772-104784. [PMID: 29285212 PMCID: PMC5739599 DOI: 10.18632/oncotarget.18300] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 04/03/2017] [Indexed: 12/27/2022] Open
Abstract
Chronic inflammation precedes the majority of hepatocellular carcinoma (HCC) cases. We investigated the chemopreventive potential of S-adenosylmethionine (SAM), an essential donor for all methylation reactions in the cell, at the late precancerous stage of HCC development using the Mdr2-knockout (Mdr2-KO, Abcb4−/−) mice, a model of inflammation-mediated hepatocarcinogenesis. Previously, we revealed down-regulation of the genes regulating SAM metabolism in the liver of these mice at the precancerous stages. Now, we have supplied Mdr2-KO mice at the late precancerous stage with SAM during either a short-term (17 days) or a long-term (51 days) period and explored the effects of such supplementation on tumor development, DNA methylation and gene expression in the liver. The short-term SAM supplementation significantly decreased the number of small tumor nodules, proliferating hepatocytes and the total DNA methylation level, while it increased expression of the tumor suppressor proteins Mat1a and p21. Surprisingly, the long-term SAM supplementation did not affect tumor growth and hepatocyte proliferation, while it increased the total liver DNA methylation. Our results demonstrate that the short-term SAM supplementation in the Mdr2-KO mice inhibited liver tumor development potentially by increasing multiple tumor suppressor mechanisms resulting in cell cycle arrest. The long-term SAM supplementation resulted in a bypass of the cell cycle arrest in this HCC model by a yet unknown mechanism.
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Contribution of the Microenvironmental Niche to Glioblastoma Heterogeneity. BIOMED RESEARCH INTERNATIONAL 2017. [PMID: 28630875 PMCID: PMC5467280 DOI: 10.1155/2017/9634172] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Glioblastoma is the most aggressive cancer of the brain. The dismal prognosis is largely attributed to the heterogeneous nature of the tumor, which in addition to intrinsic molecular and genetic changes is also influenced by the microenvironmental niche in which the glioma cells reside. The cancer stem cells (CSCs) hypothesis suggests that all cancers arise from CSCs that possess the ability to self-renew and initiate tumor formation. CSCs reside in specialized niches where interaction with the microenvironment regulates their stem cell behavior. The reciprocal interaction between glioma stem cells (GSCs) and cells from the microenvironment, such as endothelial cells, immune cells, and other parenchymal cells, may also promote angiogenesis, invasion, proliferation, and stemness of the GSCs and be likely to have an underappreciated role in their responsiveness to therapy. This crosstalk may also promote molecular transition of GSCs. Hence the inherent plasticity of GSCs can be seen as an adaptive response, changing according to the signaling cue from the niche. Given the association of GSCs with tumor recurrence and treatment sensitivity, understanding this bidirectional crosstalk between GSCs and its niche may provide a framework to identify more effective therapeutic targets and improve treatment outcome.
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Blocking COX-2 induces apoptosis and inhibits cell proliferation via the Akt/survivin- and Akt/ID3 pathway in low-grade-glioma. J Neurooncol 2017; 132:231-238. [PMID: 28283800 PMCID: PMC6763415 DOI: 10.1007/s11060-017-2380-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 11/08/2016] [Indexed: 12/23/2022]
Abstract
Approximately half of surgically-treated patients with low-grade-glioma (LGG) suffer recurrence or metastasis. Currently there is no effective drug treatment. While the selective COX-2 inhibitor celecoxib showed anti-neoplastic activity against several malignant tumors, its effects against LGG remain to be elucidated. Ours is the first report that the expression level of COX-2 in brain tissue samples from patients with LGG and in LGG cell lines is higher than in the non-neoplastic region and in normal brain cells. We found that celecoxib attenuated LGG cell proliferation in a dose-dependent manner. It inhibited the generation of prostaglandin E2 and induced apoptosis and cell-cycle arrest. We also show that celecoxib hampered the activation of the Akt/survivin- and the Akt/ID3 pathway in LGGs. These findings suggest that celecoxib may have a promising therapeutic potential and that the early treatment of LGG patients with the drug may be beneficial.
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Qureshi-Baig K, Ullmann P, Haan S, Letellier E. Tumor-Initiating Cells: a criTICal review of isolation approaches and new challenges in targeting strategies. Mol Cancer 2017; 16:40. [PMID: 28209178 PMCID: PMC5314476 DOI: 10.1186/s12943-017-0602-2] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/20/2017] [Indexed: 02/07/2023] Open
Abstract
Most cancers contain a subpopulation of highly tumorigenic cells, known as cancer stem cells (CSCs) or tumor-initiating cells (TICs). Targeting TICs may be essential to achieve cure, because of their self-renewal and tumorigenic properties as well as their resistance to conventional therapies. Despite significant advances in TIC biology, their isolation and identification remain largely disputed and incompletely established. In this review, we discuss the latest developments in isolation and culturing approaches of TICs, with focus on colorectal cancer (CRC). We feature recent findings on TIC-relevant signaling pathways and the metabolic identity of TICs, as well as their current clinical implications. Lastly, we highlight the influence of inter- and intra-tumoral heterogeneity on TIC function and targeting approaches.
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Affiliation(s)
- Komal Qureshi-Baig
- Life Sciences Research Unit, Molecular Disease Mechanisms Group, University of Luxembourg, 6, Avenue du Swing, L-4367, Campus Belval, Belvaux, Luxembourg
| | - Pit Ullmann
- Life Sciences Research Unit, Molecular Disease Mechanisms Group, University of Luxembourg, 6, Avenue du Swing, L-4367, Campus Belval, Belvaux, Luxembourg
| | - Serge Haan
- Life Sciences Research Unit, Molecular Disease Mechanisms Group, University of Luxembourg, 6, Avenue du Swing, L-4367, Campus Belval, Belvaux, Luxembourg
| | - Elisabeth Letellier
- Life Sciences Research Unit, Molecular Disease Mechanisms Group, University of Luxembourg, 6, Avenue du Swing, L-4367, Campus Belval, Belvaux, Luxembourg.
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Bowles KR, Stone T, Holmans P, Allen ND, Dunnett SB, Jones L. SMAD transcription factors are altered in cell models of HD and regulate HTT expression. Cell Signal 2017; 31:1-14. [PMID: 27988204 PMCID: PMC5310119 DOI: 10.1016/j.cellsig.2016.12.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 11/23/2016] [Accepted: 12/12/2016] [Indexed: 01/31/2023]
Abstract
Transcriptional dysregulation is observable in multiple animal and cell models of Huntington's disease, as well as in human blood and post-mortem caudate. This contributes to HD pathogenesis, although the exact mechanism by which this occurs is unknown. We therefore utilised a dynamic model in order to determine the differential effect of growth factor stimulation on gene expression, to highlight potential alterations in kinase signalling pathways that may be in part responsible for the transcriptional dysregulation observed in HD, and which may reveal new therapeutic targets. We demonstrate that cells expressing mutant huntingtin have a dysregulated transcriptional response to epidermal growth factor stimulation, and identify the transforming growth factor-beta pathway as a novel signalling pathway of interest that may regulate the expression of the Huntingtin (HTT) gene itself. The dysregulation of HTT expression may contribute to the altered transcriptional phenotype observed in HD.
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Affiliation(s)
- K R Bowles
- The MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University School of Medicine, Hadyn Ellis Building, Maindy Road, Cathays, Cardiff CF24 4HQ, UK.
| | - T Stone
- The MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University School of Medicine, Hadyn Ellis Building, Maindy Road, Cathays, Cardiff CF24 4HQ, UK.
| | - P Holmans
- The MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University School of Medicine, Hadyn Ellis Building, Maindy Road, Cathays, Cardiff CF24 4HQ, UK.
| | - N D Allen
- Cardiff School of Biosciences, The Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK.
| | - S B Dunnett
- The Brain Repair Group, School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK.
| | - L Jones
- The MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University School of Medicine, Hadyn Ellis Building, Maindy Road, Cathays, Cardiff CF24 4HQ, UK.
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Zhao J, Zhang ZR, Zhao N, Ma BA, Fan QY. VEGF Silencing Inhibits Human Osteosarcoma Angiogenesis and Promotes Cell Apoptosis via PI3K/AKT Signaling Pathway. Cell Biochem Biophys 2017; 73:519-525. [PMID: 27352347 DOI: 10.1007/s12013-015-0692-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Vascular endothelial growth factor (VEGF) is one of the most effective angiogenic factors that promote generation of tumor vasculature. VEGF is usually up-regulated in multiple cancers including osteosarcoma and glioma. To further explore the potential molecular mechanism that inhibits tumor growth induced by interference of VEGF expression, we constructed a Lv-shVEGF vector and assessed the efficiency of VEGF silencing and its influence in U2OS cells. The data demonstrate that Lv-shVEGF has high inhibition efficiency on VEGF expression, which inhibits proliferation and promotes apoptosis of U2OS cells in vitro. Our results also indicate that inhibition of VEGF expression suppresses osteosarcoma tumor growth in vivo and reduces osteosarcoma angiogenesis. We also found that the activations of phosphoinositide 3-kinase (PI3K) and protein kinase B (AKT) were considerably reduced after osteosarcoma cells were treated with Lv-shVEGF. Taken together, our data demonstrate that VEGF silencing suppresses cell proliferation, promotes cell apoptosis, and reduces osteosarcoma angiogenesis through inactivation of PI3K/AKT signaling pathway.
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Affiliation(s)
- Jian Zhao
- Department of Orthopedic Surgery, Tangdu Hospital, Orthopedics Oncology Institute of Chinese PLA, Fourth Military Medical University, NO 569 XinSi Road, Xi'an, 710038, Shanxi Province, China
| | - Zi-Ru Zhang
- Department of Orthopedic Surgery, Tangdu Hospital, Orthopedics Oncology Institute of Chinese PLA, Fourth Military Medical University, NO 569 XinSi Road, Xi'an, 710038, Shanxi Province, China
| | - Na Zhao
- Outpatient Department, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, Shanxi Province, China
| | - Bao-An Ma
- Department of Orthopedic Surgery, Tangdu Hospital, Orthopedics Oncology Institute of Chinese PLA, Fourth Military Medical University, NO 569 XinSi Road, Xi'an, 710038, Shanxi Province, China
| | - Qing-Yu Fan
- Department of Orthopedic Surgery, Tangdu Hospital, Orthopedics Oncology Institute of Chinese PLA, Fourth Military Medical University, NO 569 XinSi Road, Xi'an, 710038, Shanxi Province, China.
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Kumar D, Gorain M, Kundu G, Kundu GC. Therapeutic implications of cellular and molecular biology of cancer stem cells in melanoma. Mol Cancer 2017; 16:7. [PMID: 28137308 PMCID: PMC5282877 DOI: 10.1186/s12943-016-0578-3] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 12/25/2016] [Indexed: 01/04/2023] Open
Abstract
Melanoma is a form of cancer that initiates in melanocytes. Melanoma has multiple phenotypically distinct subpopulation of cells, some of them have embryonic like plasticity which are involved in self-renewal, tumor initiation, metastasis and progression and provide reservoir of therapeutically resistant cells. Cancer stem cells (CSCs) can be identified and characterized based on various unique cell surface and intracellular markers. CSCs exhibit different molecular pattern with respect to non-CSCs. They maintain their stemness and chemoresistant features through specific signaling cascades. CSCs are weak in immunogenicity and act as immunosupressor in the host system. Melanoma treatment becomes difficult and survival is greatly reduced when the patient develop metastasis. Standard conventional oncology treatments such as chemotherapy, radiotherapy and surgical resection are only responsible for shrinking the bulk of the tumor mass and tumor tends to relapse. Thus, targeting CSCs and their microenvironment niche addresses the alternative of traditional cancer therapy. Combined use of CSCs targeted and traditional therapies may kill the bulk tumor and CSCs and offer a promising therapeutic strategy for the management of melanoma.
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Affiliation(s)
- Dhiraj Kumar
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Mahadeo Gorain
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India
| | - Gautam Kundu
- Deapartment of Biology, Northeastern University, Boston, MA, 02115, USA
| | - Gopal C Kundu
- Laboratory of Tumor Biology, Angiogenesis and Nanomedicine Research, National Centre for Cell Science (NCCS), Pune, 411007, India.
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