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Shen D, Xia Y, Fu Y, Cao Q, Chen W, Zhu Y, Guo K, Sun L. Hedgehog pathway and cancer: A new area (Review). Oncol Rep 2024; 52:116. [PMID: 38994763 PMCID: PMC11267502 DOI: 10.3892/or.2024.8775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 06/21/2024] [Indexed: 07/13/2024] Open
Abstract
In years of research on classical pathways, the composition, information transmission mechanism, crosstalk with other pathways, and physiological and pathological effects of hedgehog (HH) pathway have been gradually clarified. HH also plays a critical role in tumor formation and development. According to the update of interpretation of tumor phenotypes, the latest relevant studies have been sorted out, to explore the specific mechanism of HH pathway in regulating different tumor phenotypes through gene mutation and signal regulation. The drugs and natural ingredients involved in regulating HH pathway were also reviewed; five approved drugs and drugs under research exert efficacy by blocking HH pathway, and at least 22 natural components have potential to treat tumors by HH pathway. Nevertheless, there is a deficiency of existing studies. The present review confirmed the great potential of HH pathway in future cancer treatment with factual basis.
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Affiliation(s)
- Deyi Shen
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang 310006, P.R. China
| | - Yuwei Xia
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Yuhan Fu
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang 310006, P.R. China
| | - Qiaochang Cao
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang 310006, P.R. China
| | - Wenqian Chen
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Ying Zhu
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang 310006, P.R. China
| | - Kaibo Guo
- Department of Cancer Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
| | - Leitao Sun
- The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang 310006, P.R. China
- Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
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2
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Murillo Carrasco AG, Otake AH, Macedo-da-Silva J, Feijoli Santiago V, Palmisano G, Andrade LNDS, Chammas R. Deciphering the Functional Status of Breast Cancers through the Analysis of Their Extracellular Vesicles. Int J Mol Sci 2023; 24:13022. [PMID: 37629204 PMCID: PMC10455604 DOI: 10.3390/ijms241613022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/10/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023] Open
Abstract
Breast cancer (BC) accounts for the highest incidence of tumor-related mortality among women worldwide, justifying the growing search for molecular tools for the early diagnosis and follow-up of BC patients under treatment. Circulating extracellular vesicles (EVs) are membranous nanocompartments produced by all human cells, including tumor cells. Since minimally invasive methods collect EVs, which represent reservoirs of signals for cell communication, these particles have attracted the interest of many researchers aiming to improve BC screening and treatment. Here, we analyzed the cargoes of BC-derived EVs, both proteins and nucleic acids, which yielded a comprehensive list of potential markers divided into four distinct categories, namely, (i) modulation of aggressiveness and growth; (ii) preparation of the pre-metastatic niche; (iii) epithelial-to-mesenchymal transition; and (iv) drug resistance phenotype, further classified according to their specificity and sensitivity as vesicular BC biomarkers. We discuss the therapeutic potential of and barriers to the clinical implementation of EV-based tests, including the heterogeneity of EVs and the available technologies for analyzing their content, to present a consistent, reproducible, and affordable set of markers for further evaluation.
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Affiliation(s)
- Alexis Germán Murillo Carrasco
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (A.H.O.); (L.N.d.S.A.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
| | - Andreia Hanada Otake
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (A.H.O.); (L.N.d.S.A.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
| | - Janaina Macedo-da-Silva
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-000, Brazil; (J.M.-d.-S.); (V.F.S.); (G.P.)
| | - Veronica Feijoli Santiago
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-000, Brazil; (J.M.-d.-S.); (V.F.S.); (G.P.)
| | - Giuseppe Palmisano
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-000, Brazil; (J.M.-d.-S.); (V.F.S.); (G.P.)
- School of Natural Sciences, Macquarie University, Macquarie Park, NSW 2109, Australia
| | - Luciana Nogueira de Sousa Andrade
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (A.H.O.); (L.N.d.S.A.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
| | - Roger Chammas
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (A.H.O.); (L.N.d.S.A.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
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Jing J, Wu Z, Wang J, Luo G, Lin H, Fan Y, Zhou C. Hedgehog signaling in tissue homeostasis, cancers, and targeted therapies. Signal Transduct Target Ther 2023; 8:315. [PMID: 37596267 PMCID: PMC10439210 DOI: 10.1038/s41392-023-01559-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 07/05/2023] [Indexed: 08/20/2023] Open
Abstract
The past decade has seen significant advances in our understanding of Hedgehog (HH) signaling pathway in various biological events. HH signaling pathway exerts its biological effects through a complex signaling cascade involved with primary cilium. HH signaling pathway has important functions in embryonic development and tissue homeostasis. It plays a central role in the regulation of the proliferation and differentiation of adult stem cells. Importantly, it has become increasingly clear that HH signaling pathway is associated with increased cancer prevalence, malignant progression, poor prognosis and even increased mortality. Understanding the integrative nature of HH signaling pathway has opened up the potential for new therapeutic targets for cancer. A variety of drugs have been developed, including small molecule inhibitors, natural compounds, and long non-coding RNA (LncRNA), some of which are approved for clinical use. This review outlines recent discoveries of HH signaling in tissue homeostasis and cancer and discusses how these advances are paving the way for the development of new biologically based therapies for cancer. Furthermore, we address status quo and limitations of targeted therapies of HH signaling pathway. Insights from this review will help readers understand the function of HH signaling in homeostasis and cancer, as well as opportunities and challenges of therapeutic targets for cancer.
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Affiliation(s)
- Junjun Jing
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Zhuoxuan Wu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Jiahe Wang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Guowen Luo
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Hengyi Lin
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yi Fan
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
- Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Chenchen Zhou
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
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Manna S, Kirtana R, Roy A, Baral T, Patra SK. Mechanisms of hedgehog, calcium and retinoic acid signalling pathway inhibitors: Plausible modes of action along the MLL-EZH2-p53 axis in cellular growth control. Arch Biochem Biophys 2023; 742:109600. [PMID: 37142078 DOI: 10.1016/j.abb.2023.109600] [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: 01/24/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 05/06/2023]
Abstract
Understanding the molecular mechanism(s) of small compounds in cellular growth control are essential for using those against the disease(s). Oral cancers exhibit a very high mortality rate due to higher metastatic potential. Aberrant EGFR, RAR, HH signalling, enhanced [Ca2+] and oxidative stress are some of the important characteristics of oral cancer. So, we target these for our study. Herein, we tested the effect of fendiline hydrochloride (FH) as an LTCC Ca2+-channel inhibitor, erismodegib (a SMO inhibitor of HH-signalling) and all-trans retinoic acid (RA) inducer of RAR signalling that causes cellular differentiation. OCT4 activating compound (OAC1) counters differentiation and induces stemness properties. Cytosine β-D arabinofuranoside (Cyto-BDA), a DNA replication inhibitor was used to reduce high proliferative capacity. Treatment of FaDu cells with OAC1, Cyto-BDA and FH increase G0/G1 population by 3%, 20% and 7% respectively, and lead to reduction of cyclin D1, CDK4/6 levels. Erismodegib arrests the cells in S-phase with reduced cyclin-E1&A1 levels, whereas RA-treatment causes G2/M phase arrest with reduced cyclin-B1. There was a decrease in the expression of EGFR and mesenchymal markers, Snail/Slug/Vim/Zeb/Twist, and increased E-cadherin expression in all the drug treatments, indicating a reduction in proliferative signal and EMT. Enhanced MLL2 (Mll4) and reduced EZH2 expression associated overexpression of p53 and p21 were traced out. We conclude that these drugs impact expression of epigenetic modifiers by modulating signalling pathways and the epigenetic modifiers then controls the expression of cell cycle control genes, including p53 and p21.
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Affiliation(s)
- Soumen Manna
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - R Kirtana
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Ankan Roy
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Tirthankar Baral
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Samir Kumar Patra
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India.
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5
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Low RRJ, Fung KY, Gao H, Preaudet A, Dagley LF, Yousef J, Lee B, Emery-Corbin SJ, Nguyen PM, Larsen RH, Kershaw NJ, Burgess AW, Gibbs P, Hollande F, Griffin MDW, Grimmond SM, Putoczki TL. S100 family proteins are linked to organoid morphology and EMT in pancreatic cancer. Cell Death Differ 2023; 30:1155-1165. [PMID: 36828915 PMCID: PMC10154348 DOI: 10.1038/s41418-023-01126-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 01/23/2023] [Accepted: 01/31/2023] [Indexed: 02/26/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a continuum that includes epithelial, partial EMT, and mesenchymal states, each of which is associated with cancer progression, invasive capabilities, and ultimately, metastasis. We used a lineage-traced sporadic model of pancreatic cancer to generate a murine organoid biobank from primary and secondary tumors, including sublines that underwent partial EMT and complete EMT. Using an unbiased proteomics approach, we found that organoid morphology predicts the EMT state, and the solid organoids are associated with a partial EMT signature. We also observed that exogenous TGFβ1 induces solid organoid morphology that is associated with changes in the S100 family, complete EMT, and the formation of high-grade tumors. S100A4 may be a useful biomarker for predicting EMT state, disease progression, and outcome in patients with pancreatic cancer.
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Affiliation(s)
- Ronnie Ren Jie Low
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, VIC, 3000, Australia
| | - Ka Yee Fung
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Hugh Gao
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, VIC, 3000, Australia
- Department of Clinical Pathology, University of Melbourne, Parkville, VIC, 3000, Australia
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Clayton, VIC, 3800, Australia
| | - Adele Preaudet
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Laura F Dagley
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Jumana Yousef
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Belinda Lee
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Samantha J Emery-Corbin
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Paul M Nguyen
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, VIC, 3000, Australia
- Department of Clinical Pathology, University of Melbourne, Parkville, VIC, 3000, Australia
| | - Rune H Larsen
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Nadia J Kershaw
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Antony W Burgess
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Peter Gibbs
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia
| | - Frédéric Hollande
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, VIC, 3000, Australia
- Department of Clinical Pathology, University of Melbourne, Parkville, VIC, 3000, Australia
| | - Michael D W Griffin
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, VIC, 3000, Australia
| | - Sean M Grimmond
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, VIC, 3000, Australia
- Department of Clinical Pathology, University of Melbourne, Parkville, VIC, 3000, Australia
| | - Tracy L Putoczki
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia.
- Department of Medical Biology, The University of Melbourne, Parkville, VIC, 3052, Australia.
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The role of exosomes in the molecular mechanisms of metastasis: Focusing on EMT and cancer stem cells. Life Sci 2022; 310:121103. [DOI: 10.1016/j.lfs.2022.121103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/28/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022]
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Pouliquen DL, Boissard A, Henry C, Coqueret O, Guette C. Curcuminoids as Modulators of EMT in Invasive Cancers: A Review of Molecular Targets With the Contribution of Malignant Mesothelioma Studies. Front Pharmacol 2022; 13:934534. [PMID: 35873564 PMCID: PMC9304619 DOI: 10.3389/fphar.2022.934534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/15/2022] [Indexed: 11/21/2022] Open
Abstract
Curcuminoids, which include natural acyclic diarylheptanoids and the synthetic analogs of curcumin, have considerable potential for fighting against all the characteristics of invasive cancers. The epithelial-to-mesenchymal transition (EMT) is a fundamental process for embryonic morphogenesis, however, the last decade has confirmed it orchestrates many features of cancer invasiveness, such as tumor cell stemness, metabolic rewiring, and drug resistance. A wealth of studies has revealed EMT in cancer is in fact driven by an increasing number of parameters, and thus understanding its complexity has now become a cornerstone for defining future therapeutic strategies dealing with cancer progression and metastasis. A specificity of curcuminoids is their ability to target multiple molecular targets, modulate several signaling pathways, modify tumor microenvironments and enhance the host’s immune response. Although the effects of curcumin on these various parameters have been the subject of many reviews, the role of curcuminoids against EMT in the context of cancer have never been reviewed so far. This review first provides an updated overview of all EMT drivers, including signaling pathways, transcription factors, non-coding RNAs (ncRNAs) and tumor microenvironment components, with a special focus on the most recent findings. Secondly, for each of these drivers the effects of curcumin/curcuminoids on specific molecular targets are analyzed. Finally, we address some common findings observed between data reported in the literature and the results of investigations we conducted on experimental malignant mesothelioma, a model of invasive cancer representing a useful tool for studies on EMT and cancer.
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Affiliation(s)
- Daniel L. Pouliquen
- Inserm, CNRS, Nantes Université, CRCI2NA, Université d’Angers, Angers, France
- *Correspondence: Daniel L. Pouliquen,
| | - Alice Boissard
- ICO, Inserm, CNRS, Nantes Université, CRCI2NA, Université d’Angers, Angers, France
| | - Cécile Henry
- ICO, Inserm, CNRS, Nantes Université, CRCI2NA, Université d’Angers, Angers, France
| | - Olivier Coqueret
- Inserm, CNRS, Nantes Université, CRCI2NA, Université d’Angers, Angers, France
| | - Catherine Guette
- ICO, Inserm, CNRS, Nantes Université, CRCI2NA, Université d’Angers, Angers, France
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Yang X, Qin C, Zhao B, Li T, Wang Y, Li Z, Li T, Wang W. Long Noncoding RNA and Circular RNA: Two Rising Stars in Regulating Epithelial-Mesenchymal Transition of Pancreatic Cancer. Front Oncol 2022; 12:910678. [PMID: 35719940 PMCID: PMC9204003 DOI: 10.3389/fonc.2022.910678] [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: 04/01/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a highly malignant tumor with especially poor prognosis. However, the molecular mechanisms of pancreatic oncogenesis and malignant progression are not fully elucidated. Epithelial-mesenchymal transition (EMT) process is important to drive pancreatic carcinogenesis. Recently, long noncoding RNAs (lncRNAs) and circular RNAs(circRNAs) have been characterized to participate in EMT in PDAC, which can affect the migration and invasion of tumor cells by playing important roles in epigenetic processes, transcription, and post-transcriptional regulation. LncRNAs can act as competing endogenous RNAs (ceRNA) to sequester target microRNAs(miRNAs), bind to the genes which localize physically nearby, and directly interact with EMT-related proteins. Currently known circRNAs mostly regulate the EMT process in PDAC also by acting as a miRNA sponge, directly affecting the protein degradation process. Therefore, exploring the functions of lncRNAs and circRNAs in EMT during pancreatic cancer might help pancreatic cancer treatments.
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Affiliation(s)
- Xiaoying Yang
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Cheng Qin
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bangbo Zhao
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tianhao Li
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuanyang Wang
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zeru Li
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tianyu Li
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Weibin Wang
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Ferreira NDR, Sanz CK, Raybolt A, Pereira CM, DosSantos MF. Action of Hyaluronic Acid as a Damage-Associated Molecular Pattern Molecule and Its Function on the Treatment of Temporomandibular Disorders. FRONTIERS IN PAIN RESEARCH 2022; 3:852249. [PMID: 35369538 PMCID: PMC8971669 DOI: 10.3389/fpain.2022.852249] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
The temporomandibular joint is responsible for fundamental functions. However, mechanical overload or microtraumas can cause temporomandibular disorders (TMD). In addition to external factors, it is known that these conditions are involved in complex biological mechanisms, such as activation of the immune system, activation of the inflammatory process, and degradation of extracellular matrix (ECM) components. The ECM is a non-cellular three-dimensional macromolecular network; its most studied components is hyaluronic acid (HA). HA is naturally found in many tissues, and most of it has a high molecular weight. HA has attributed an essential role in the viscoelastic properties of the synovial fluid and other tissues. Additionally, it has been shown that HA molecules can contribute to other mechanisms in the processes of injury and healing. It has been speculated that the degradation product of high molecular weight HA in healthy tissues during injury, a low molecular weight HA, may act as damage-associated molecular patterns (DAMPs). DAMPs are multifunctional and structurally diverse molecules that play critical intracellular roles in the absence of injury or infection. However, after cellular damage or stress, these molecules promote the activation of the immune response. Fragments from the degradation of HA can also act as immune response activators. Low molecular weight HA would have the ability to act as a pro-inflammatory marker, promoting the activation and maturation of dendritic cells, the release of pro-inflammatory cytokines such as interleukin 1 beta (IL-1β), and tumor necrosis factor α (TNF-α). It also increases the expression of chemokines and cell proliferation. Many of the pro-inflammatory effects of low molecular weight HA are attributed to its interactions with the activation of toll-like receptors (TLRs 2 and 4). In contrast, the high molecular weight HA found in healthy tissues would act as an anti-inflammatory, inhibiting cell growth and differentiation, decreasing the production of inflammatory cytokines, and reducing phagocytosis by macrophages. These anti-inflammatory effects are mainly attributed to the interaction of high-weight HA with the CD44 receptor. In this study, we review the action of the HA as a DAMP and its functions on pain control, more specifically in orofacial origin (e.g., TMD).
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Affiliation(s)
- Natália dos Reis Ferreira
- Faculty of Medicine, Institute of Occlusion and Orofacial Pain, University of Coimbra, Coimbra, Portugal
| | - Carolina Kaminski Sanz
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- Programa de Engenharia Metalúrgica e de Materiais, COPPE, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Aline Raybolt
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Cláudia Maria Pereira
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Marcos Fabio DosSantos
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Neurociência Translacional, Instituto Nacional de Neurociência Translacional (INNT-UFRJ), Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Odontologia (PPGO), Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- *Correspondence: Marcos Fabio DosSantos ;
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10
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Zhang Y, Cai R, Li H, Duan Y, Zhang Y, Jing W, Lv S, Chu X, Cao Z, Yang L, Ming L. Construction of a target MSNs drugcarrier loaded with siRNA GLI1 and siRNA SMO aim at hedgehog signal pathway and the pharmacodynamic study of drug-carriers in the treatment of leukemia stem cells. Drug Deliv Transl Res 2022; 12:2463-2473. [PMID: 35113326 DOI: 10.1007/s13346-020-00893-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2020] [Indexed: 11/26/2022]
Abstract
Leukemia stem cells (LSCs) are responsible for leukemia initiation and targeting LSCs is one strategy to treat this disease. This study aims to target LSCs using multi-siRNA loaded antibodies modified with mesoporous silica nanoparticles (MSNs). Here, both siRNAGLI1 and siRNASMO were loaded in an anti-CD34 antibody modified with MSNs, and then, the MSN@siRNAGLI1@Antibody + MSNs@siRNASMO@Antibody cocktail was used to target LSCs. Expression levels of BCL-2 in LSCs were significantly reduced whereas Bax expression was significantly increased after treatment with nano-drug carriers. In addition, these nano-drug carriers also effectively induced the apoptosis of LSCs. The MSNs@siRNAGLI1@Antibody + MSNs@siRNASMO@Antibody cocktail significantly inhibited LSCs. In short, we constructed two target MSN nano-drug carriers where loaded siRNAs can be used in a chemotherapeutic drug cocktail to improve the treatment of leukemia.
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Affiliation(s)
- Yuan Zhang
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Rui Cai
- Zhengzhou No.7 People's Hospital, Zhengzhou, 450016, Henan, China
| | - HaiJun Li
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yu Duan
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yan Zhang
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Wei Jing
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - ShaoGang Lv
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Xi Chu
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Zheng Cao
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Lei Yang
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Liang Ming
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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11
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Wu Y, Zhou Q, Guo F, Chen M, Tao X, Dong D. S100 Proteins in Pancreatic Cancer: Current Knowledge and Future Perspectives. Front Oncol 2021; 11:711180. [PMID: 34527585 PMCID: PMC8435722 DOI: 10.3389/fonc.2021.711180] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/12/2021] [Indexed: 12/25/2022] Open
Abstract
Pancreatic cancer (PC) is a highly malignant tumor occurring in the digestive system. Currently, there is a lack of specific and effective interventions for PC; thus, further exploration regarding the pathogenesis of this malignancy is warranted. The S100 protein family, a collection of calcium-binding proteins expressed only in vertebrates, comprises 25 members with high sequence and structural similarity. Dysregulated expression of S100 proteins is a biomarker of cancer progression and prognosis. Functionally, these proteins are associated with the regulation of multiple cellular processes, including proliferation, apoptosis, growth, differentiation, enzyme activation, migration/invasion, Ca2+ homeostasis, and energy metabolism. This review highlights the significance of the S100 family in the diagnosis and prognosis of PC and its vital functions in tumor cell metastasis, invasion and proliferation. A further understanding of S100 proteins will provide potential therapeutic targets for preventing or treating PC.
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Affiliation(s)
- Yu Wu
- Department of Clinical Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, China.,College of Pharmacy, Dalian Medical University, Dalian, China
| | - Qi Zhou
- Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Institute (College) of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Fangyue Guo
- Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Institute (College) of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Mingming Chen
- Department of Clinical Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, China.,College of Pharmacy, Dalian Medical University, Dalian, China
| | - Xufeng Tao
- School of Chemical Engineering, Dalian University of Technology, Dalian, China
| | - Deshi Dong
- Department of Clinical Pharmacy, First Affiliated Hospital of Dalian Medical University, Dalian, China
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12
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Comprehensive analysis of the transcriptional expressions and prognostic value of S100A family in pancreatic ductal adenocarcinoma. BMC Cancer 2021; 21:1039. [PMID: 34530774 PMCID: PMC8447682 DOI: 10.1186/s12885-021-08769-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 09/05/2021] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Pancreatic ductal adenocarcinoma (PDAC) remains a treatment-refractory malignancy with poor prognosis. It is urgent to identify novel and valid biomarkers to predict the progress and prognosis of PDAC. The S100A family have been identified as being involved in cell proliferation, migration and differentiation progression of various cancer types. However, the expression patterns and prognostic values of S100As in PDAC remain to be analyzed. METHODS We investigated the transcriptional expressions, methylation level and prognostic value of S100As in PDAC patients from the Oncomine, GEPIA2, Linkedomics and cBioPortal databases. Real-time PCR was used to detect the expressions of S100A2/4/6/10/14/16 in four pancreatic cancer cell lines and pancreatic cancer tissues from PDAC patients undergoing surgery. To verify the results further, immunohistochemistry was used to measure the expression of S100A2/4/6/10/14/16 in 43 PDAC patients' tissue samples. The drug relations of S100As were analyzed by using the Drugbank database. RESULTS The results suggested that, the expression levels of S100A2/4/6/10/14/16 were elevated to PDAC tissues than in normal pancreatic tissues, and the promoter methylation levels of S100A S100A2/4/6/10/14/16 in PDAC (n = 10) were lower compared with normal tissue (n = 184) (P < 0.05). In addition, their expressions were negatively correlated with PDAC patient survival. CONCLUSIONS Taken together, these results suggest that S100A2/4/6/10/14/16 might be served as prognostic biomarkers for survivals of PDAC patients.
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13
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Razmi M, Ghods R, Vafaei S, Sahlolbei M, Saeednejad Zanjani L, Madjd Z. Clinical and prognostic significances of cancer stem cell markers in gastric cancer patients: a systematic review and meta-analysis. Cancer Cell Int 2021; 21:139. [PMID: 33639931 PMCID: PMC7912890 DOI: 10.1186/s12935-021-01840-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/17/2021] [Indexed: 12/24/2022] Open
Abstract
Background Gastric cancer (GC) is considered one of the most lethal malignancies worldwide, which is accompanied by a poor prognosis. Although reports regarding the importance of cancer stem cell (CSC) markers in gastric cancer progression have rapidly developed over the last few decades, their clinicopathological and prognostic values in gastric cancer still remain inconclusive. Therefore, the current meta-analysis aimed to quantitatively re-evaluate the association of CSC markers expression, overall and individually, with GC patients’ clinical and survival outcomes. Methods Literature databases including PubMed, Scopus, ISI Web of Science, and Embase were searched to identify the eligible articles. Hazard ratios (HRs) or odds ratios (ORs) with 95% confidence intervals (CIs) were recorded or calculated to determine the relationships between CSC markers expression positivity and overall survival (OS), disease-free survival (DFS)/relapse-free survival (RFS), disease-specific survival (DSS)/ cancer-specific survival (CSS), and clinicopathological features. Results We initially retrieved 4,425 articles, of which a total of 66 articles with 89 studies were considered as eligible for this meta-analysis, comprising of 11,274 GC patients. Overall data analyses indicated that the overexpression of CSC markers is associated with TNM stage (OR = 2.19, 95% CI 1.84–2.61, P = 0.013), lymph node metastasis (OR = 1.76, 95% CI 1.54–2.02, P < 0.001), worse OS (HR = 1.65, 95% CI 1.54–1.77, P < 0.001), poor CSS/DSS (HR = 1.69, 95% CI 1.33–2.15, P < 0.001), and unfavorable DFS/RFS (HR = 2.35, 95% CI 1.90–2.89, P < 0.001) in GC patients. However, CSC markers expression was found to be slightly linked to tumor differentiation (OR = 1.25, 95% CI 1.01–1.55, P = 0.035). Sub-analysis demonstrated a significant positive relationship between most of the individual markers, specially Gli-1, Oct-4, CD44, CD44V6, and CD133, and clinical outcomes as well as the reduced survival, whereas overexpression of Lgr-5, Nanog, and sonic hedgehog (Shh) was not found to be related to the majority of clinical outcomes in GC patients. Conclusion The expression of CSC markers is mostly associated with worse outcomes in patients with GC, both overall and individual. The detection of a combined panel of CSC markers might be appropriate as a prognostic stratification marker to predict tumor aggressiveness and poor prognosis in patients with GC, which probably results in identifying novel potential targets for therapeutic approaches.
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Affiliation(s)
- Mahdieh Razmi
- Oncopathology Research Center, Iran University of Medical Sciences (IUMS), Tehran, Iran.
| | - Roya Ghods
- Oncopathology Research Center, Iran University of Medical Sciences (IUMS), Tehran, Iran.,Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Somayeh Vafaei
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Sahlolbei
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Zahra Madjd
- Oncopathology Research Center, Iran University of Medical Sciences (IUMS), Tehran, Iran. .,Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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14
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Liang L, Luo R, Ding Y, Liu K, Shen L, Zeng H, Ge Y, Zeng M. S100A4 overexpression in pancreatic ductal adenocarcinoma: imaging biomarkers from whole-tumor evaluation with MRI and texture analysis. Abdom Radiol (NY) 2021; 46:623-635. [PMID: 32740861 DOI: 10.1007/s00261-020-02676-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/15/2020] [Accepted: 07/18/2020] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To investigate the relationship between imaging findings and S100A4 overexpression in pancreatic ductal adenocarcinoma (PDAC) and to determine imaging biomarkers of S100A4 overexpression from whole-tumor evaluation with MRI and texture analysis. METHODS A total of 60 patients with pathologically confirmed PDAC were included in the study. All patients underwent preoperative abdominal contrast-enhanced MRI examination with Magnetom Aera (Siemens Healthcare, Germany, 1.5 T) at our institute. Whole-tumor evaluation including texture analysis was performed. Sections of specimens were reviewed, and the S100A4 expression status was quantitatively evaluated. Univariate and multivariate logistic regression analyses were conducted to find imaging biomarkers that could predict S100A4 overexpression. RESULTS Twenty-four tumors (40.0%) had negative results for S100A4 overexpression, and 36 tumors (60.0%) exhibited overexpression. After univariate and multivariate analysis, distal pancreatic duct dilatation, T1WI_10th percentile and the enhancement rate difference between delayed phase (DP) and portal venous phase (PVP) were identified to predict S100A4 overexpression in PDAC independently (p = 0.009, 0.012 and 0.044), with odds ratios (ORs) of 0.102, 0.139 and 4.645, respectively. The area under the ROC curve (AUC) values were 0.715, 0.707 and 0.691. The AUC value of the proposed model was 0.877 with a sensitivity of 80.6% and specificity of 75.0%. CONCLUSION A model including distal pancreatic duct dilatation, T1WI_10th percentile and the enhancement rate difference between the DP and PVP could predict S100A4 overexpression in PDAC as imaging biomarkers.
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15
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Allgöwer C, Kretz AL, von Karstedt S, Wittau M, Henne-Bruns D, Lemke J. Friend or Foe: S100 Proteins in Cancer. Cancers (Basel) 2020; 12:cancers12082037. [PMID: 32722137 PMCID: PMC7465620 DOI: 10.3390/cancers12082037] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 12/24/2022] Open
Abstract
S100 proteins are widely expressed small molecular EF-hand calcium-binding proteins of vertebrates, which are involved in numerous cellular processes, such as Ca2+ homeostasis, proliferation, apoptosis, differentiation, and inflammation. Although the complex network of S100 signalling is by far not fully deciphered, several S100 family members could be linked to a variety of diseases, such as inflammatory disorders, neurological diseases, and also cancer. The research of the past decades revealed that S100 proteins play a crucial role in the development and progression of many cancer types, such as breast cancer, lung cancer, and melanoma. Hence, S100 family members have also been shown to be promising diagnostic markers and possible novel targets for therapy. However, the current knowledge of S100 proteins is limited and more attention to this unique group of proteins is needed. Therefore, this review article summarises S100 proteins and their relation in different cancer types, while also providing an overview of novel therapeutic strategies for targeting S100 proteins for cancer treatment.
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Affiliation(s)
- Chantal Allgöwer
- Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (C.A.); (A.-L.K.); (M.W.); (D.H.-B.)
| | - Anna-Laura Kretz
- Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (C.A.); (A.-L.K.); (M.W.); (D.H.-B.)
| | - Silvia von Karstedt
- Department of Translational Genomics, Center of Integrated Oncology Cologne-Bonn, Medical Faculty, University Hospital Cologne, Weyertal 115b, 50931 Cologne, Germany;
- CECAD Cluster of Excellence, University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, Germany
- Center of Molecular Medicine Cologne, Medical Faculty, University Hospital of Cologne, Weyertal 115b, 50931 Cologne, Germany
| | - Mathias Wittau
- Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (C.A.); (A.-L.K.); (M.W.); (D.H.-B.)
| | - Doris Henne-Bruns
- Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (C.A.); (A.-L.K.); (M.W.); (D.H.-B.)
| | - Johannes Lemke
- Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (C.A.); (A.-L.K.); (M.W.); (D.H.-B.)
- Correspondence: ; Tel.: +49-731-500-53691
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16
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Effect of shRNA-mediated regulation of S100A4 gene expression on proliferation and apoptosis of KLE endometrial cancer cells. Clin Transl Oncol 2020; 23:148-154. [PMID: 32472453 DOI: 10.1007/s12094-020-02406-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 05/16/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE To investigate the effect of shRNA-regulated S100A4 expression on the proliferation and apoptosis in KLE endometrial cancer cells. METHODS S100A4-OVER and S100A4-shRNA were transfected into KLE endometrial cancer cells using lentiviral sh-RNA technology. Passive OVER-NC cell line and shRNA-NC cell line were used as a negative control group and non-transfected Control cell line as a blank control group. After 48 h of transfection, the expressions of S100A4 and protein were detected by real-time fluorescence quantitative PCR and Western blotting, respectively. CCK-8 detection and flow cytometer were used to detect cell proliferation and apoptosis, respectively. RESULTS Compared with the normal control group and the negative control group, the transfection efficiency and shRNA targeting of the shRNA-interfered S100A4 gene were verified at the levels of mRNA and protein expression. The expression of the disrupted S100A4 gene at S100A4 mRNA and protein levels in endometrial cancer cells was determined. The proliferation efficiency of KLE cells in S100A4-OVER group was significantly higher than that in other four groups; the proliferation rate of S100A4-shRNA cells decreased slightly;, the apoptotic rate of KLE cells in S100A4-shRNA group increased significantly, and the apoptotic rate of KLE cells in S100A4-OVER group decreased compared with NC group. CONCLUSION Specific regulation of S100A4 gene expression:, the enhanced expression of the S100A4 gene may promote the proliferation of KLE endometrial cancer cells; the inhibited expression of the S100A4 gene may promote the apoptosis of KLE endometrial cancer cells. S100A4 expression is closely related to the biological characteristics of endometrial cancer.
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Xia WX, Zhang LH, Liu YW. Weighted Gene Co-Expression Network Analysis Reveals Six Hub Genes Involved in and Tight Junction Function in Pancreatic Adenocarcinoma and their Potential Use in Prognosis. Genet Test Mol Biomarkers 2019; 23:829-836. [PMID: 31821092 DOI: 10.1089/gtmb.2019.0122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background: Pancreatic adenocarcinoma (PAAD) is an aggressive and invasive tumor with poor prognosis. Identifying prognostic biomarkers of PAAD will provide crucial information for developing treatment plans. Methods: In this analysis, a gene-expression dataset, containing RNA-sequencing data recalculated into transcripts per million, was obtained from the UCSC Xena platform. Three thousand nine hundred and seventy six differentially expressed genes were obtained with analysis of variance. Using these data a co-expression network was constructed using weighted gene co-expression network analysis, from which we obtained eight modules. Results: The blue module included 497 genes and demonstrated significant negative correlation with overall survival. Furthermore, pathway analyses demonstrated the involvement of many of these genes in the tight junction pathway, which plays a critical role in PAAD. In addition, we identified six genes in common (i.e., ANXA2 [annexin A2], EPHA2 [erythropoietin-producing hepatocellular class A2], ITGB4 [integrin beta 4], KRT19 [keratin type I cytoskeletal 19], LGALS3 [galectin-3], and S100A14 [S100 calcium binding protein A14]) between the protein-protein interaction and gene co-expression networks that may have critical functions in PAAD. These hub genes were not only highly expressed at the RNA level but also exhibited high expression in the immunohistological data in the Human Protein Atlas Database. Conclusion: Thus, this research clarified the framework of co-expressed gene modules in PAAD and highlighted potential prognostic biomarkers for the clinical diagnosis of PAAD.
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Affiliation(s)
- Wang-Xiao Xia
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Translational Medicine, Xi'an Medical University, Xi'an, China
| | - Lin-Heng Zhang
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Beijing, China
| | - Yao-Wen Liu
- Shaanxi Key Laboratory of Brain Disorders, Institute of Basic Translational Medicine, Xi'an Medical University, Xi'an, China
- College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
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18
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Monkman JH, Thompson EW, Nagaraj SH. Targeting Epithelial Mesenchymal Plasticity in Pancreatic Cancer: A Compendium of Preclinical Discovery in a Heterogeneous Disease. Cancers (Basel) 2019; 11:E1745. [PMID: 31703358 PMCID: PMC6896204 DOI: 10.3390/cancers11111745] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 10/30/2019] [Accepted: 10/30/2019] [Indexed: 12/13/2022] Open
Abstract
Pancreatic Ductal Adenocarcinoma (PDAC) is a particularly insidious and aggressive disease that causes significant mortality worldwide. The direct correlation between PDAC incidence, disease progression, and mortality highlights the critical need to understand the mechanisms by which PDAC cells rapidly progress to drive metastatic disease in order to identify actionable vulnerabilities. One such proposed vulnerability is epithelial mesenchymal plasticity (EMP), a process whereby neoplastic epithelial cells delaminate from their neighbours, either collectively or individually, allowing for their subsequent invasion into host tissue. This disruption of tissue homeostasis, particularly in PDAC, further promotes cellular transformation by inducing inflammatory interactions with the stromal compartment, which in turn contributes to intratumoural heterogeneity. This review describes the role of EMP in PDAC, and the preclinical target discovery that has been conducted to identify the molecular regulators and effectors of this EMP program. While inhibition of individual targets may provide therapeutic insights, a single 'master-key' remains elusive, making their collective interactions of greater importance in controlling the behaviours' of heterogeneous tumour cell populations. Much work has been undertaken to understand key transcriptional programs that drive EMP in certain contexts, however, a collaborative appreciation for the subtle, context-dependent programs governing EMP regulation is needed in order to design therapeutic strategies to curb PDAC mortality.
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Affiliation(s)
- James H. Monkman
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia;
- School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Erik W. Thompson
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia;
- School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
| | - Shivashankar H. Nagaraj
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD 4059, Australia;
- School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Translational Research Institute, Brisbane, QLD 4102, Australia
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Loh CY, Chai JY, Tang TF, Wong WF, Sethi G, Shanmugam MK, Chong PP, Looi CY. The E-Cadherin and N-Cadherin Switch in Epithelial-to-Mesenchymal Transition: Signaling, Therapeutic Implications, and Challenges. Cells 2019; 8:E1118. [PMID: 31547193 PMCID: PMC6830116 DOI: 10.3390/cells8101118] [Citation(s) in RCA: 703] [Impact Index Per Article: 140.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/16/2019] [Accepted: 09/19/2019] [Indexed: 12/17/2022] Open
Abstract
Epithelial-to-Mesenchymal Transition (EMT) has been shown to be crucial in tumorigenesis where the EMT program enhances metastasis, chemoresistance and tumor stemness. Due to its emerging role as a pivotal driver of tumorigenesis, targeting EMT is of great therapeutic interest in counteracting metastasis and chemoresistance in cancer patients. The hallmark of EMT is the upregulation of N-cadherin followed by the downregulation of E-cadherin, and this process is regulated by a complex network of signaling pathways and transcription factors. In this review, we summarized the recent understanding of the roles of E- and N-cadherins in cancer invasion and metastasis as well as the crosstalk with other signaling pathways involved in EMT. We also highlighted a few natural compounds with potential anti-EMT property and outlined the future directions in the development of novel intervention in human cancer treatments. We have reviewed 287 published papers related to this topic and identified some of the challenges faced in translating the discovery work from bench to bedside.
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Affiliation(s)
- Chin-Yap Loh
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
| | - Jian Yi Chai
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
| | - Ting Fang Tang
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Won Fen Wong
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore.
| | - Muthu Kumaraswamy Shanmugam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore.
| | - Pei Pei Chong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
| | - Chung Yeng Looi
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
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Riaz SK, Ke Y, Wang F, Kayani MA, Malik MFA. Influence of SHH/GLI1 axis on EMT mediated migration and invasion of breast cancer cells. Sci Rep 2019; 9:6620. [PMID: 31036836 PMCID: PMC6488587 DOI: 10.1038/s41598-019-43093-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 04/16/2019] [Indexed: 12/14/2022] Open
Abstract
Sonic Hedgehog signaling is critical for breast morphogenesis and cancer. The present study was conducted to explore the influence of SHH/GLI1 axis on epithelial mesenchymal transition and invasion in breast cancer cells. SHH/GLI1 positive samples demonstrated high expression of Snail and Vimentin with relatively low expression of E-cadherin. Overexpression of Vimentin and Snail in SHH/GLI1 positive patients was also associated with poor overall survival. Interestingly, GANT61 (GLI1 inhibitor) exposure significantly reduced cell viability and induced apoptosis at 10 µM. Suppression of Hedgehog pathway either by CRISPR mediated SHH knock out or GANT61 altered regulation of EMT markers in breast cancer cells. Moreover, in-activation of SHH/GLI1 axis also significantly restricted cell migration and invasiveness. These findings suggest that targeting SHH/GLI1 axis alters expression of EMT markers and abrogates neoplastic invasion in breast cancer cells.
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Affiliation(s)
- Syeda Kiran Riaz
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
- Centre for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M Health Science Centre, Houston, Texas, USA
| | - Yuepeng Ke
- Centre for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M Health Science Centre, Houston, Texas, USA
| | - Fen Wang
- Centre for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M Health Science Centre, Houston, Texas, USA
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Ghanbari A, Cheraghzadeh Z, Mahmoudi R, Zibara K, Hosseini E. GLI inhibitors overcome Erlotinib resistance in human pancreatic cancer cells by modulating E-cadherin. J Chemother 2019; 31:141-149. [PMID: 30983542 DOI: 10.1080/1120009x.2019.1584422] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Inhibition of hedgehog (Hh) signalling pathway, including its end effector GLI1, can reverse epithelial-to-mesenchymal transition (EMT) which plays an important role in drug resistance of pancreatic cancer cells to Erlotinib (ETB). This study investigated the effect of GLI inhibitors Forskolin (FSK), GANT-61 (GNT), and Arsenic trioxide (ATX) on suppressing the resistance of pancreatic cancer cells to ETB. The effect of GLI inhibitors was evaluated by measuring mRNA expression levels of EMT factors using quantitative RT-PCR. Immunocytochemistry and flow cytometry were used to assess E-cadherin (E-Cad) and GLI1 protein levels. MTT and apoptosis assays were used to evaluate the synergistic effects for the combination treatment of each GLI inhibitor with ETB. Pancreatic cancer cells PANC-1 treated by GNT showed the highest significant reduction in mRNA levels of GLI1 and other EMT pathway genes. Moreover, GNT was able to upregulate E-Cad and downregulate GLI1 proteins, more than FSK, while ATX had no effect. Apoptosis levels of PANC-1 cells following treatment with LD30 concentrations of FSK, GNT, or ATX, showed 57%, 62% and 67%, respectively, in comparison to ETB (∼48%). Importantly, combination treatments of ETB with either FSK, GNT, or ATX demonstrated a significant increase in apoptotic cells reaching 61% (ETB + FSK), 80% (ETB + GNT) or 88% (ETB + ATX). FSK did not have much effect on the drug resistance of PANC-1 cells to ETB. However, GNT, but more effectively ATX, were able to reduce the drug resistance of this cell line to ETB.
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Affiliation(s)
- Amir Ghanbari
- a Cellular and Molecular Research Center , Yasuj University of Medical Sciences , Yasuj , Iran
| | - Zeinab Cheraghzadeh
- a Cellular and Molecular Research Center , Yasuj University of Medical Sciences , Yasuj , Iran
| | - Reza Mahmoudi
- a Cellular and Molecular Research Center , Yasuj University of Medical Sciences , Yasuj , Iran
| | - Kazem Zibara
- b PRASE, Biology Department, Faculty of Sciences-I , Lebanese University , Beirut , Lebanon
| | - Ebrahim Hosseini
- a Cellular and Molecular Research Center , Yasuj University of Medical Sciences , Yasuj , Iran
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Garcia-Jaramillo M, Spooner MH, Löhr CV, Wong CP, Zhang W, Jump DB. Lipidomic and transcriptomic analysis of western diet-induced nonalcoholic steatohepatitis (NASH) in female Ldlr -/- mice. PLoS One 2019; 14:e0214387. [PMID: 30943218 PMCID: PMC6447358 DOI: 10.1371/journal.pone.0214387] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 03/12/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease worldwide, particularly in obese and type 2 diabetic individuals. NAFLD ranges in severity from benign steatosis to nonalcoholic steatohepatitis (NASH); and NASH can progress to cirrhosis, primary hepatocellular carcinoma (HCC) and liver failure. As such, NAFLD has emerged as a major public health concern. Herein, we used a lipidomic and transcriptomic approach to identify lipid markers associated with western diet (WD) induced NASH in female mice. METHODS Female mice (low-density lipoprotein receptor null (Ldlr -/-) were fed a reference or WD diet for 38 and 46 weeks. Transcriptomic and lipidomic approaches, coupled with statistical analyses, were used to identify associations between major NASH markers and transcriptomic & lipidomic markers. RESULTS The WD induced all major hallmarks of NASH in female Ldlr -/- mice, including steatosis (SFA, MUFA, MUFA-containing di- and triacylglycerols), inflammation (TNFα), oxidative stress (Ncf2), and fibrosis (Col1A). The WD also increased transcripts associated with membrane remodeling (LpCat), apoptosis & autophagy (Casp1, CtsS), hedgehog (Taz) & notch signaling (Hey1), epithelial-mesenchymal transition (S1004A) and cancer (Gpc3). WD feeding, however, suppressed the expression of the hedgehog inhibitory protein (Hhip), and enzymes involved in triglyceride catabolism (Tgh/Ces3, Ces1g), as well as the hepatic abundance of C18-22 PUFA-containing phosphoglycerolipids (GpCho, GpEtn, GpSer, GpIns). WD feeding also increased hepatic cyclooxygenase (Cox1 & 2) expression and pro-inflammatory ω6 PUFA-derived oxylipins (PGE2), as well as lipid markers of oxidative stress (8-iso-PGF2α). The WD suppressed the hepatic abundance of reparative oxylipins (19, 20-DiHDPA) as well as the expression of enzymes involved in fatty epoxide metabolism (Cyp2C, Ephx). CONCLUSION WD-induced NASH in female Ldlr -/- mice was characterized by a massive increase in hepatic neutral and membrane lipids containing SFA and MUFA and a loss of C18-22 PUFA-containing membrane lipids. Moreover, the WD increased hepatic pro-inflammatory oxylipins and suppressed the hepatic abundance of reparative oxylipins. Such global changes in the type and abundance of hepatic lipids likely contributes to tissue remodeling and NASH severity.
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MESH Headings
- Animals
- Carcinoma, Hepatocellular/complications
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/metabolism
- Diabetes Mellitus, Type 2/complications
- Diabetes Mellitus, Type 2/genetics
- Diabetes Mellitus, Type 2/metabolism
- Diet, Western/adverse effects
- Disease Models, Animal
- Fatty Acids, Monounsaturated/metabolism
- Fatty Acids, Omega-3/genetics
- Female
- Fibrosis/complications
- Fibrosis/genetics
- Fibrosis/metabolism
- Humans
- Lipid Metabolism/genetics
- Lipidomics
- Liver Neoplasms/complications
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Mice
- Mice, Knockout
- Non-alcoholic Fatty Liver Disease/complications
- Non-alcoholic Fatty Liver Disease/genetics
- Non-alcoholic Fatty Liver Disease/metabolism
- Non-alcoholic Fatty Liver Disease/pathology
- Obesity/complications
- Obesity/genetics
- Obesity/metabolism
- Oxidative Stress/genetics
- Receptors, LDL/genetics
- Transcriptome/genetics
- Triglycerides/metabolism
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Affiliation(s)
- Manuel Garcia-Jaramillo
- The Nutrition Program, School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, United States of America
- The Linus Pauling Institute, Oregon State University, Corvallis, Oregon, United States of America
- Department of Chemistry Oregon State University, Corvallis, Oregon, United States of America
| | - Melinda H. Spooner
- The Nutrition Program, School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, United States of America
- The Linus Pauling Institute, Oregon State University, Corvallis, Oregon, United States of America
| | - Christiane V. Löhr
- Anatomic Pathology, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, Oregon, United States of America
| | - Carmen P. Wong
- The Nutrition Program, School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, United States of America
- The Linus Pauling Institute, Oregon State University, Corvallis, Oregon, United States of America
| | - Weijian Zhang
- The Linus Pauling Institute, Oregon State University, Corvallis, Oregon, United States of America
| | - Donald B. Jump
- The Nutrition Program, School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, United States of America
- The Linus Pauling Institute, Oregon State University, Corvallis, Oregon, United States of America
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Bhat A, Sharma A, Bharti AC. Upstream Hedgehog signaling components are exported in exosomes of cervical cancer cell lines. Nanomedicine (Lond) 2018; 13:2127-2138. [PMID: 30265222 DOI: 10.2217/nnm-2018-0143] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AIM To investigate export of Hedgehog pathway (Hh) proteins Patched1, Smoothened, Sonic hedgehog and Indian hedgehog in cervical cancer cell line (CaCx) exosomes. METHODS Exosomes were isolated and characterized by Western blotting, scanning electron microscopy and in a colorimetric assay. Nucleic acids (RNA, DNA) and protein content of exosomes were analyzed. Hh pathway proteins in exosomes were detected using Western blotting. RESULTS CaCx secrete bio-macromolecule (DNA, RNA and proteins) enriched exosomes. CaCx exosomes contained higher amount of RNA with respect to DNA. CaCx preferentially exported Hh proteins (Patched1, Smoothened, Sonic hedgehog, Indian hedgehog) in their exosomes. Cellular uptake assay revealed rapid internalization of CaCx exosomes in human umbilical vein endothelial cells. CONCLUSION Our study showed that Hh proteins are exported in CaCx exosomes.
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Affiliation(s)
- Anjali Bhat
- Molecular Oncology Laboratory, Department of Zoology, North Campus, University Of Delhi, New Delhi 110007, India
| | - Aman Sharma
- ExoCan Healthcare Technologies Pvt Ltd, Lab 4, 400 NCL Innovation Park, Dr Homi Bhabha Road, Pune 411008, India
| | - Alok Chandra Bharti
- Molecular Oncology Laboratory, Department of Zoology, North Campus, University Of Delhi, New Delhi 110007, India
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24
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Non-Canonical Hedgehog Signaling Is a Positive Regulator of the WNT Pathway and Is Required for the Survival of Colon Cancer Stem Cells. Cell Rep 2018; 21:2813-2828. [PMID: 29212028 DOI: 10.1016/j.celrep.2017.11.025] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/15/2017] [Accepted: 11/06/2017] [Indexed: 12/12/2022] Open
Abstract
Colon cancer is a heterogeneous tumor driven by a subpopulation of cancer stem cells (CSCs). To study CSCs in colon cancer, we used limiting dilution spheroid and serial xenotransplantation assays to functionally define the frequency of CSCs in a panel of patient-derived cancer organoids. These studies demonstrated cancer organoids to be enriched for CSCs, which varied in frequency between tumors. Whole-transcriptome analysis identified WNT and Hedgehog signaling components to be enhanced in CSC-enriched tumors and in aldehyde dehydrogenase (ALDH)-positive CSCs. Canonical GLI-dependent Hedgehog signaling is a negative regulator of WNT signaling in normal intestine and intestinal tumors. Here, we show that Hedgehog signaling in colon CSCs is autocrine SHH-dependent, non-canonical PTCH1 dependent, and GLI independent. In addition, using small-molecule inhibitors and RNAi against SHH-palmitoylating Hedgehog acyltransferase (HHAT), we demonstrate that non-canonical Hedgehog signaling is a positive regulator of WNT signaling and required for colon CSC survival.
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25
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Guan B, Mu L, Zhang L, Wang K, Tian J, Xu S, Wang X, He D, Du Y. MicroRNA-218 inhibits the migration, epithelial-mesenchymal transition and cancer stem cell properties of prostate cancer cells. Oncol Lett 2018; 16:1821-1826. [PMID: 30008871 DOI: 10.3892/ol.2018.8877] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 02/27/2018] [Indexed: 12/15/2022] Open
Abstract
MicroRNA (miRNA) is a class of non-coding single-stranded RNA, able to regulate tumor-associated genes via binding the 3'-UTR of the target gene mRNA. Previous publications have demonstrated that miRNA-218 (miR-218) acts as a tumor-suppressive miRNA in various types of human cancer, including prostate cancer (PCa). However, the role of miR-218 in regulating PCa cell stemness and epithelial-mesenchymal transition remains unknown and requires further research. In the present study, it is demonstrated that miR-218 was downregulated in 2 PCa cell lines and could suppress cell migration, EMT and the exhibition of cancer stem cell-like properties. The expression of GLI family zinc finger 1 (Gli1) was inhibited by miR-218 overexpression, suggesting miR-218-suppression of Gli1 as a potential mechanism for the tumor-suppressive effect of miR-218. Overall, the results indicate that miR-218 served a critical role in the inhibition of PCa development. This may provide new insight for elucidating the mechanisms of PCa oncogenesis and suggests that miR-218 may be a novel therapeutic target for PCa.
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Affiliation(s)
- Bing Guan
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Lijun Mu
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Linlin Zhang
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Ke Wang
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Juanhua Tian
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Shan Xu
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Xinyang Wang
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Dalin He
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yuefeng Du
- Department of Urology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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26
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Yu T, Jia W, An Q, Cao X, Xiao G. Bioinformatic Analysis of GLI1 and Related Signaling Pathways in Chemosensitivity of Gastric Cancer. Med Sci Monit 2018; 24:1847-1855. [PMID: 29596399 PMCID: PMC5890825 DOI: 10.12659/msm.906176] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background This study assessed the prognostic value of GLI1 in gastric cancer and analyzed the possible GLI1-related signaling network in chemosensitivity. Material/Methods Bioinformatic data mining was performed by using data in the TCGA-Stomach Cancer (TCGA-STAD) and the Kaplan-Meier plotter. GLI1 co-expressed genes in TCGA-STAD were subjected to KEGG pathway analysis. The genes enriched in the KEGG pathways were further subjected to Protein-Protein Interaction (PPI) analysis. Results In TCGA-STAD, high GLI1 gene/exon expression was associated with significantly worse survival (p=0.016 and 0.0023 respectively). In the Kaplan-Meier plotter, high GLI1 expression was associated with unfavorable overall survival (OS) (HR: 1.68, 95%CI: 1.42–2, p<0.0001) and first progression-free survival (FPS) (HR: 1.72, 95%CI: 1.4–2.11, p<0.0001). In TCGA-STAD, 600 GLI1 co-expressed genes were identified (absolute Pearson’s r ≥0.5). The most significant pathways were pathways in cancer (p=230.0E-12) and the Hedgehog signaling pathway (p=6.9E-9). PI3K-AKT pathway (p=17.0E-9) has the largest proportion of gene enrichment. Some GLI1 co-expressed genes in the PI3K-AKT pathway are central nodes in the PPI network and also play important roles in chemosensitivity of gastric cancer. Nevertheless, the mechanisms underlying their co-expression are still largely unexplored. Conclusions High GLI1 expression is associated with unfavorable OS and FPS in patients with gastric cancer. As a member of the Hedgehog signaling pathway, GLI1 co-expressed genes are also largely enriched in PI3K/AKT pathway in gastric cancer, which is closely related to chemoresistance. The underlying mechanisms are still largely unexplored and need further study.
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Affiliation(s)
- Tao Yu
- Department of General Surgery, Beijing Hospital, National Center of Gerontology, Beijing, China (mainland)
| | - Wenzhuo Jia
- Department of General Surgery, Beijing Hospital, National Center of Gerontology, Beijing, China (mainland)
| | - Qi An
- Department of General Surgery, Beijing Hospital, National Center of Gerontology, Beijing, China (mainland)
| | - Xianglong Cao
- Department of General Surgery, Beijing Hospital, National Center of Gerontology, Beijing, China (mainland)
| | - Gang Xiao
- Department of General Surgery, Beijing Hospital, National Center of Gerontology, Beijing, China (mainland)
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27
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Maity G, Haque I, Ghosh A, Dhar G, Gupta V, Sarkar S, Azeem I, McGregor D, Choudhary A, Campbell DR, Kambhampati S, Banerjee SK, Banerjee S. The MAZ transcription factor is a downstream target of the oncoprotein Cyr61/CCN1 and promotes pancreatic cancer cell invasion via CRAF-ERK signaling. J Biol Chem 2018; 293:4334-4349. [PMID: 29414775 PMCID: PMC5868262 DOI: 10.1074/jbc.ra117.000333] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 02/01/2018] [Indexed: 01/18/2023] Open
Abstract
Myc-associated zinc-finger protein (MAZ) is a transcription factor with dual roles in transcription initiation and termination. Deregulation of MAZ expression is associated with the progression of pancreatic ductal adenocarcinoma (PDAC). However, the mechanism of action of MAZ in PDAC progression is largely unknown. Here, we present evidence that MAZ mRNA expression and protein levels are increased in human PDAC cell lines, tissue samples, a subcutaneous tumor xenograft in a nude mouse model, and spontaneous cancer in the genetically engineered PDAC mouse model. We also found that MAZ is predominantly expressed in pancreatic cancer stem cells. Functional analysis indicated that MAZ depletion in PDAC cells inhibits invasive phenotypes such as the epithelial-to-mesenchymal transition, migration, invasion, and the sphere-forming ability of PDAC cells. Mechanistically, we detected no direct effects of MAZ on the expression of K-Ras mutants, but MAZ increased the activity of CRAF-ERK signaling, a downstream signaling target of K-Ras. The MAZ-induced activation of CRAF-ERK signaling was mediated via p21-activated protein kinase (PAK) and protein kinase B (AKT/PKB) signaling cascades and promoted PDAC cell invasiveness. Moreover, we found that the matricellular oncoprotein cysteine-rich angiogenic inducer 61 (Cyr61/CCN1) regulates MAZ expression via Notch-1-sonic hedgehog signaling in PDAC cells. We propose that Cyr61/CCN1-induced expression of MAZ promotes invasive phenotypes of PDAC cells not through direct K-Ras activation but instead through the activation of CRAF-ERK signaling. Collectively, these results highlight key molecular players in PDAC invasiveness and may help inform therapeutic strategies to improve clinical management and outcomes of PDAC.
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Affiliation(s)
- Gargi Maity
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the Department of Pathology and Laboratory Medicine, and
| | - Inamul Haque
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the Department of Pathology and Laboratory Medicine, and
| | - Arnab Ghosh
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas
| | - Gopal Dhar
- From the Cancer Research Unit, Veterans Affairs Medical Center
| | | | - Sandipto Sarkar
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas
| | - Imaan Azeem
- From the Cancer Research Unit, Veterans Affairs Medical Center
| | - Douglas McGregor
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the Department of Pathology and Laboratory Medicine, and
- the Pathology Department, Veterans Affairs Medical Center, Kansas City, Missouri 64128
| | - Abhishek Choudhary
- the Gastroenterology Department, Veterans Affairs Medical Center, Kansas City, Missouri 64128
| | - Donald R Campbell
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the University of Missouri Kansas City and Saint Luke's Hospital of Kansas City, Kansas City, Missouri, and
| | - Suman Kambhampati
- From the Cancer Research Unit, Veterans Affairs Medical Center
- the Sarah Cannon Cancer Center at HCA Midwest Health, Kansas City, Missouri 64131
| | - Sushanta K Banerjee
- From the Cancer Research Unit, Veterans Affairs Medical Center,
- the Department of Pathology and Laboratory Medicine, and
- the Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, Kansas
| | - Snigdha Banerjee
- From the Cancer Research Unit, Veterans Affairs Medical Center,
- the Department of Pathology and Laboratory Medicine, and
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28
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Wang J, Xia Y, Zuo Q, Chen T. Molecular mechanisms underlying the antimetastatic activity of bufalin. Mol Clin Oncol 2018; 8:631-636. [PMID: 29732152 DOI: 10.3892/mco.2018.1591] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 03/09/2018] [Indexed: 12/14/2022] Open
Abstract
Bufalin is a monomer compound extract from Chansu, which is a traditional Chinese medicine obtained from the skin and parotid venom glands of toads, such as Bufo bufo gargarizans Cantor and Bufo melanostictus Schneider. Chansu had been used in traditional Chinese medicine for >1,000 years due to its cardiac, anti-inflammatory and anticancer properties. Previous studies identified bufalin as the main anticancer compound of Chansu, and recent evidence has corroborated its anticancer properties. Bufalin inhibits cancer cell proliferation, induces cell cycle arrest, induces cancer cell apoptosis, inhibits neovascularization, induces cell differentiation, inhibits cancer metastasis and invasion, and enhances chemotherapeutic drug sensitivity. However, the function and mechanism of bufalin in metastatic cancer cells have not yet been expounded. The aim of the present review was to discuss the recent progress and prospects of bufalin in the prevention of cancer metastasis, particularly in inhibiting epithelial-to-mesenchymal transition.
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Affiliation(s)
- Jie Wang
- Department of Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Yue Xia
- Department of Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Qingshong Zuo
- Department of Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Teng Chen
- Department of Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
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29
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Shen X, Peng Y, Li H. The Injury-Related Activation of Hedgehog Signaling Pathway Modulates the Repair-Associated Inflammation in Liver Fibrosis. Front Immunol 2017; 8:1450. [PMID: 29163520 PMCID: PMC5681491 DOI: 10.3389/fimmu.2017.01450] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 10/17/2017] [Indexed: 12/13/2022] Open
Abstract
Liver fibrosis is a wound healing response initiated by inflammation responding for different iterative parenchymal damages caused by diverse etiologies. Immune cells, which exert their ability of either inducing injury or promoting repair, have been regarded as crucial participants in the fibrogenic response. A characteristic feature of the fibrotic microenvironment associated with chronic liver injury is aberrant activation of hedgehog (Hh) signaling pathway. Growing evidence from a number of different studies in vivo and in vitro has indicated that immune-mediated events involved in liver fibrogenesis are regulated by Hh signaling pathway. In this review, we emphasize the impacts of injury-activated Hh signaling on liver fibrogenesis through modulating repair-related inflammation and focus on the regulatory action of aberrant Hh signaling on repair-related inflammatory responses mediated by hepatic classical and non-classical immune cell populations in the progression of liver fibrosis. Moreover, we also assess the potentiality of Hh pathway inhibitors as good candidates for anti-fibrotic therapeutic agents because of their immune regulation actions for fibrogenic liver repair. The identification of immune-modulatory mechanisms of Hh signaling pathway underlying the fibrotic process of chronic liver diseases might provide a basis for Hh-centered therapeutic strategies for liver fibrosis.
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Affiliation(s)
- Xin Shen
- Department of Laboratory Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Yu Peng
- Department of Information Engineering, Hubei University of Chinese Medicine, Wuhan, China
| | - Hanmin Li
- Hepatic Disease Institute, Hubei Provincial Hospital of Traditional Chinese Medicine, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Province Academy of Traditional Chinese Medicine, Wuhan, China
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30
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Zhang F, Ren CC, Liu L, Chen YN, Yang L, Zhang XA, Wang XM, Yu FJ. SHH gene silencing suppresses epithelial-mesenchymal transition, proliferation, invasion, and migration of cervical cancer cells by repressing the hedgehog signaling pathway. J Cell Biochem 2017; 119:3829-3842. [PMID: 28941302 DOI: 10.1002/jcb.26414] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 09/21/2017] [Indexed: 12/31/2022]
Abstract
The study aimed to investigate the mechanism by which the sonic Hedgehog (SHH) gene silencing acts upon epithelial-mesenchymal transition (EMT), proliferation, invasion, and migration of cervical cancer (CC) cells via the Hedgehog signaling pathway. RT-qPCR and Western blotting were all employed to detect the SHH mRNA and protein expressions. HeLa and CasKi cells were cultured and subsequently divided into the blank, negative control (NC), and SHH-RNAi groups. A cell counting kit-8 (CCK-8) assay was utilized for cell proliferation. Cell migration and invasion ability were evaluated through scratching test and Transwell assay. The mRNA and protein expressions of the Hedgehog signaling pathway-related factors were detected using RT-qPCR and Western blotting, respectively. After tumor xenograft in nude mice, tumor growth was subsequently observed. SHH mRNA and protein expressions were greater in the SHH-RNAi group than in the blank and NC groups. Compared with the blank group and NC groups, the SHH-RNAi group displayed inhibited levels of proliferation, migration, invasion abilities, as well as a decreased in the Hh signaling pathway-related factors, as well as a reduction in the mRNA and protein expressions of N-cadherin and Vimentin, however, on the contrary increased expressions of E-cadherin were observed. Following tumor xenograft in nude mice, tumor growth was exhibited vast levels of inhibition, particularly in the SHH-RNAi group in comparison to the blank and the NC groups. During the study it was well established that SHH gene silencing suppresses EMT, proliferation, invasion, and migration of CC cells through the repression of the Hedgehog signaling pathway.
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Affiliation(s)
- Feng Zhang
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Chen-Chen Ren
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Ling Liu
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Yan-Nan Chen
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Li Yang
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Xiao-An Zhang
- Department of Imaging, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, P. R. China
| | - Xiao-Ming Wang
- Department of Oncology, Peking Union Medical College Hospital, Beijing, P. R. China
| | - Feng-Jing Yu
- Department of Oncology, Peking Union Medical College Hospital, Beijing, P. R. China
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31
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Jia J, Martin TA, Ye L, Meng L, Xia N, Jiang WG, Zhang X. Fibroblast activation protein-α promotes the growth and migration of lung cancer cells via the PI3K and sonic hedgehog pathways. Int J Mol Med 2017; 41:275-283. [PMID: 29115573 PMCID: PMC5746330 DOI: 10.3892/ijmm.2017.3224] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 10/20/2017] [Indexed: 12/13/2022] Open
Abstract
A characteristic of the epithelial-to-mesenchymal transition in cancer cells is the upregulation of mesenchymal markers. Fibroblast activation protein α (FAPα) is predominantly expressed by stromal fibroblasts. Previous studies have demonstrated that FAPα is also expressed by certain epithelium-derived cancer cells and is involved in the regulation of certain signaling pathways. One of our previous studies showed that FAPα promoted the proliferation of breast cancer cells via the phosphatidylinositol-3-kinase (PI3K) signaling pathway. In the present study, the A549 adenocarcinoma (AC) and SK-MES-1 squamous cell carcinoma (SCC) lung cancer cell lines were transfected with FAPα. The FAPα-expressing SK-MES-1 cells exhibited an increased growth rate, whereas the FAPα-expressing A549 cells exhibited a similar growth rate, compared with respective empty vector-transfected control cells. Electric cell-substrate impedance sensing (ECIS)-based attachment and wound-healing assays showed that the overexpression of FAPα markedly increased the adhesive and migratory properties of the SK-MES-1 cells but not those of the A549 cells. Additionally, inhibitors of focal adhesion kinase, agonist-induced phospholipase C, neural Wiskott-Aldrich syndrome protein, extracellular signal-regulated kinase, Rho-associated protein kinase, PI3K, and sonic hedgehog (SHH) were used to evaluate the interaction between FAPα and signaling pathways. Only the inhibitors of SHH and PI3K inhibited the increased motility of the FAPα-expressing SK-MES-1 cells. Western blot analysis confirmed the activation of PI3K/AKT and SHH/GLI family zinc finger 1 signaling in the FAPα-expressing SK-MES-1 cells. These results revealed that FAPα promoted the growth, adhesion and migration of lung SCC cells. In addition, FAPα regulated lung cancer cell function, potentially via the PI3K and SHH pathways. Further investigations are required to examine the role of FAPα in lung AC cells.
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Affiliation(s)
- Jun Jia
- VIP-II Division of Medical Department, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing 100142, P.R. China
| | - Tracey A Martin
- Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Cardiff CF14 4XW, UK
| | - Lin Ye
- Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Cardiff CF14 4XW, UK
| | - Lin Meng
- Department of Biochemistry and Molecular Biology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing 100142, P.R. China
| | - Nan Xia
- Laboratory of Molecular Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing 100142, P.R. China
| | - Wen G Jiang
- Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Cardiff CF14 4XW, UK
| | - Xiaodong Zhang
- VIP-II Division of Medical Department, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing 100142, P.R. China
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32
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Liu M, Liu J, Yang B, Gao X, Gao LL, Kong QY, Zhang P, Li H. Inversed Expression Patterns of S100A4 and E-Cadherin in Cervical Cancers: Implication in Epithelial-Mesenchymal Transition. Anat Rec (Hoboken) 2017; 300:2184-2191. [PMID: 28921916 DOI: 10.1002/ar.23688] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 03/13/2017] [Accepted: 03/26/2017] [Indexed: 01/01/2023]
Abstract
Cervical cancer/CC is the third commonest female malignancy worldwide. The aggressive growth and distal metastases are the leading causes of CC mortality, which is largely due to epithelial-mesenchymal transition/EMT. Fibroblast specific protein S100A4 promotes cancer metastasis and epithelial type cadherin/E-cadherin play pivotal roles in cell-cell and cell-extracellular matrix interaction. Therefore, the expression patterns of S100A4 and E-cadherin reflect statuses of EMT of carcinoma cells. However, S100A4 expression and its relevance with E-cadherin and HPV16 infection in cervical cancers remain unknown. This study aims to address the above issues using cervical cancer specimens. Immunohistochemistry reveals that the levels of mesenchymal marker S100A4 is upregulated (>++) in cervical adenocarcinomas/CACs (12/16; 75%) and squamous cell carcinomas/CSCCs (23/28; 82%) than that in noncancerous glandular epithelia/GE (0/12; 0%) and squamous epithelia/SE (0/12; 0%). Epithelial marker membranous E-cadherin is remarkably reduced on the surface of CAC and CSCC cells (P = 0.00; P = 0.00), especially those showing poorly differentiated phenotypes (P < 0.05) in comparison with their noncancerous counterparts. Correlative analyses revealed an inverse relationship between S100A4 and E-cadherin expression among the cervical cancer samples (P = 0.01, r = -0.38). S100A4 expression level in HPV16-infected group is higher than that in HPV16-free group (P = 0.02). These results suggest the close correlation of S100A4 upregulation with cervical cancer formation and HPV16 infection and E-cadherin reduction with the grades of CC dedifferentiation. The concurrent gain of S100A4 and loss of membrane E-cadherin suggest EMT tendency of CC cells and can be regarded as an unfavorable prognostic parameter of CC patients. Anat Rec, 300:2184-2191, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Ming Liu
- Liaoning Laboratory of Cancer Genetics and Epigenetics and Department of Cell Biology, Dalian Medical University, Dalian 116044, China
| | - Jia Liu
- Liaoning Laboratory of Cancer Genetics and Epigenetics and Department of Cell Biology, Dalian Medical University, Dalian 116044, China
| | - Bin Yang
- Department of Gynecologic Oncology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Xue Gao
- Department of Clinical Pathology, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Ling-Lu Gao
- Liaoning Laboratory of Cancer Genetics and Epigenetics and Department of Cell Biology, Dalian Medical University, Dalian 116044, China
| | - Qing-You Kong
- Liaoning Laboratory of Cancer Genetics and Epigenetics and Department of Cell Biology, Dalian Medical University, Dalian 116044, China
| | - Peng Zhang
- Liaoning Laboratory of Cancer Genetics and Epigenetics and Department of Cell Biology, Dalian Medical University, Dalian 116044, China
| | - Hong Li
- Liaoning Laboratory of Cancer Genetics and Epigenetics and Department of Cell Biology, Dalian Medical University, Dalian 116044, China
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33
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Averett C, Bhardwaj A, Arora S, Srivastava SK, Khan MA, Ahmad A, Singh S, Carter JE, Khushman M, Singh AP. Honokiol suppresses pancreatic tumor growth, metastasis and desmoplasia by interfering with tumor-stromal cross-talk. Carcinogenesis 2017; 37:1052-1061. [PMID: 27609457 DOI: 10.1093/carcin/bgw096] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 09/02/2016] [Indexed: 12/28/2022] Open
Abstract
The poor clinical outcome of pancreatic cancer (PC) is largely attributed to its aggressive nature and refractoriness to currently available therapeutic modalities. We previously reported antitumor efficacy of honokiol (HNK), a phytochemical isolated from various parts of Magnolia plant, against PC cells in short-term in vitro growth assays. Here, we report that HNK reduces plating efficiency and anchorage-independent growth of PC cells and suppresses their migration and invasiveness. Furthermore, significant inhibition of pancreatic tumor growth by HNK is observed in orthotopic mouse model along with complete-blockage of distant metastases. Histological examination suggests reduced desmoplasia in tumors from HNK-treated mice, later confirmed by immunohistochemical analyses of myofibroblast and extracellular matrix marker proteins (α-SMA and collagen I, respectively). At the molecular level, HNK treatment leads to decreased expression of sonic hedgehog (SHH) and CXCR4, two established mediators of bidirectional tumor-stromal cross-talk, both in vitro and in vivo . We also show that the conditioned media (CM) from HNK-treated PC cells have little growth-inducing effect on pancreatic stellate cells (PSCs) that could be regained by the addition of exogenous recombinant SHH. Moreover, pretreatment of CM of vehicle-treated PC cells with SHH-neutralizing antibody abolishes their growth-inducing potential on PSCs. Likewise, HNK-treated PC cells respond poorly to CM from PSCs due to decreased CXCR4 expression. Lastly, we show that the transfection of PC cells with constitutively active IKKβ mutant reverses the suppressive effect of HNK on nuclear factor-kappaB activation and partially restores CXCR4 and SHH expression. Taken together, these findings suggest that HNK interferes with tumor-stromal cross-talk via downregulation of CXCR4 and SHH and decreases pancreatic tumor growth and metastasis.
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Affiliation(s)
- Courey Averett
- Department of Oncologic Sciences, Mitchell Cancer Institute
| | - Arun Bhardwaj
- Department of Oncologic Sciences, Mitchell Cancer Institute
| | - Sumit Arora
- Department of Oncologic Sciences, Mitchell Cancer Institute
| | | | | | - Aamir Ahmad
- Department of Oncologic Sciences, Mitchell Cancer Institute
| | - Seema Singh
- Department of Oncologic Sciences, Mitchell Cancer Institute.,Department of Biochemistry and Molecular Biology, College of Medicine
| | | | - Moh'd Khushman
- Department of Interdisciplinary Clinical Oncology, Mitchell Cancer Institute, University of South Alabama , 1660 Springhill Avenue, Mobile, AL 36604-1405 , USA
| | - Ajay P Singh
- Department of Oncologic Sciences, Mitchell Cancer Institute.,Department of Biochemistry and Molecular Biology, College of Medicine
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Wang DT, Chu WH, Sun HM, Ba HX, Li CY. Expression and Functional Analysis of Tumor-Related Factor S100A4 in Antler Stem Cells. J Histochem Cytochem 2017; 65:579-591. [PMID: 28832242 DOI: 10.1369/0022155417727263] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Annual antler renewal is a stem cell-based epimorphic process driven by antler stem cells (ASCs) resident in antlerogenic periosteum (AP). Antlerogenic periosteal cells express a high level of S100A4, a metastasis-associated protein, which intrigued us to explore what role S100A4 could play in antler regeneration. The present study set out to investigate expression and effects of S100A4 in the ASCs and their progeny. The results showed that not only did cells from the AP express a high level of S100A4, but also the pedicle periosteum and the antler growth center. In the antler growth center, we found S100A4-positive cells were specifically located in blood vessel walls and in vascularized areas. In vitro, recombinant deer S100A4 protein stimulated the proliferation of the AP cells, promoted proliferation, migration and tube formation of human vascular endothelial cells, and enhanced migration of Hela cells, but not AP cells. These findings demonstrated that S100A4 in the ASCs may play a significant role in stimulating angiogenesis, proliferation, but not motility, of ASCs. Deer antlers offer a unique model to explore how rapid cell proliferation with a high level of S100A4 expression is elegantly regulated without becoming cancerous.
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Affiliation(s)
- Da-Tao Wang
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, People's Republic of China.,State Kay Laboratory for Molecular Biology of Special Economic Animals, Changchun, People's Republic of China
| | - Wen-Hui Chu
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, People's Republic of China.,State Kay Laboratory for Molecular Biology of Special Economic Animals, Changchun, People's Republic of China
| | - Hong-Mei Sun
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, People's Republic of China
| | - Heng-Xing Ba
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, People's Republic of China.,State Kay Laboratory for Molecular Biology of Special Economic Animals, Changchun, People's Republic of China
| | - Chun-Yi Li
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, People's Republic of China
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35
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Parsana P, Amend SR, Hernandez J, Pienta KJ, Battle A. Identifying global expression patterns and key regulators in epithelial to mesenchymal transition through multi-study integration. BMC Cancer 2017. [PMID: 28651527 PMCID: PMC5485747 DOI: 10.1186/s12885-017-3413-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Epithelial to mesenchymal transition (EMT) is the process by which stationary epithelial cells transdifferentiate to mesenchymal cells with increased motility. EMT is integral in early stages of development and wound healing. Studies have shown that EMT could be a critical early event in tumor metastasis that is involved in acquisition of migratory and invasive properties in multiple carcinomas. Methods In this study, we used 15 published gene expression microarray datasets from Gene Expression Omnibus (GEO) that represent 12 cell lines from 6 cancer types across 95 observations (45 unique samples and 50 replicates) with different modes of induction of EMT or the reverse transition, mesenchymal to epithelial transition (MET). We integrated multiple gene expression datasets while considering study differences, batch effects, and noise in gene expression measurements. A universal differential EMT gene list was obtained by normalizing and correcting the data using four approaches, computing differential expression from each, and identifying a consensus ranking. We confirmed our discovery of novel EMT genes at mRNA and protein levels in an in vitro EMT model of prostate cancer – PC3 epi, EMT and Taxol resistant cell lines. We validate our discovery of C1orf116 as a novel EMT regulator by siRNA knockdown of C1orf116 in PC3 epithelial cells. Results Among differentially expressed genes, we found known epithelial and mesenchymal marker genes such as CDH1 and ZEB1. Additionally, we discovered genes known in a subset of carcinomas that were unknown in prostate cancer. This included epithelial specific LSR and S100A14 and mesenchymal specific DPYSL3. Furthermore, we also discovered novel EMT genes including a poorly-characterized gene C1orf116. We show that decreased expression of C1orf116 is associated with poor prognosis in lung and prostate cancer patients. We demonstrate that knockdown of C1orf116 expression induced expression of mesenchymal genes in epithelial prostate cancer cell line PC3-epi cells, suggesting it as a candidate driver of the epithelial phenotype. Conclusions This comprehensive approach of statistical analysis and functional validation identified global expression patterns in EMT and candidate regulatory genes, thereby both extending current knowledge and identifying novel drivers of EMT. Electronic supplementary material The online version of this article (doi:10.1186/s12885-017-3413-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Princy Parsana
- Department of Computer Science, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Sarah R Amend
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - James Hernandez
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Kenneth J Pienta
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Alexis Battle
- Department of Computer Science, Johns Hopkins University, Baltimore, MD, 21218, USA.
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36
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Fei F, Qu J, Zhang M, Li Y, Zhang S. S100A4 in cancer progression and metastasis: A systematic review. Oncotarget 2017; 8:73219-73239. [PMID: 29069865 PMCID: PMC5641208 DOI: 10.18632/oncotarget.18016] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 05/08/2017] [Indexed: 12/11/2022] Open
Abstract
Metastasis is the leading cause of cancer-related death and directly associates with cancer progression, resistance to anticancer therapy, and poor patient survival. Current efforts focusing on the underlying molecular mechanisms of cancer metastasis attract a special attention to cancer researchers. The epithelial-mesenchymal transition is a complex of molecular program during embryogenesis, inflammation, tissue fibrosis, and cancer progression and metastasis. S100A4, an important member of S100 family proteins, functions to increase the tumor progression and metastasis. The molecular mechanisms of S100A4 involving in the progression and metastasis are diverse in various malignant tumors. Detection of S100A4 expression becomes a promising candidate biomarker in cancer early diagnosis and prediction of cancer metastasis and therefore, S100A4 may be a therapeutic target. This review summarized up to date advancement on the role of S100A4 in human cancer development, progression, and metastasis and the underlying molecular events and then strategies to target S100A4 expression experimentally.
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Affiliation(s)
- Fei Fei
- Nankai University School of Medicine, Nankai University, Tianjin, 300071, P.R.China.,Department of Pathology, Tianjin Union Medical Center, Tianjin, 300121, P.R. China
| | - Jie Qu
- Nankai University School of Medicine, Nankai University, Tianjin, 300071, P.R.China.,Department of Pathology, Tianjin Union Medical Center, Tianjin, 300121, P.R. China
| | - Mingqing Zhang
- Department of Colorectal Surgery, Tianjin Union Medical Center, Tianjin, 300121, P.R. China
| | - Yuwei Li
- Department of Colorectal Surgery, Tianjin Union Medical Center, Tianjin, 300121, P.R. China
| | - Shiwu Zhang
- Department of Pathology, Tianjin Union Medical Center, Tianjin, 300121, P.R. China
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37
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Meng X, Cai J, Liu J, Han B, Gao F, Gao W, Zhang Y, Zhang J, Zhao Z, Jiang C. Curcumin increases efficiency of γ-irradiation in gliomas by inhibiting Hedgehog signaling pathway. Cell Cycle 2017; 16:1181-1192. [PMID: 28463091 DOI: 10.1080/15384101.2017.1320000] [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: 12/28/2022] Open
Abstract
It was reported that γ-irradiation had a controversial therapeutic effect on glioma cells. We aimed to investigate the cytotoxic effect on the glioma cells induced by γ-irradiation and explore the treatment to rescue the phenotype alteration of remaining cells. We used transwell assay to detect the glioma cell invasion and migration capacity. Cell proliferation and apoptosis were tested by the CCK-8 assay and flow cytometry respectively. Western Blot was used to detect the activity of Hedgehog signaling pathway and Epithelial-to-Mesenchymal Transition (EMT) status. γ-irradiation showed cytotoxic effect on LN229 cells in vitro, whereas this contribution was limited in U251 cells. However, it could significantly stimulated EMT process in both LN229 and U251. Curcumin (CCM) could rescue EMT process induced by γ-irradiation via the suppression of Gli1 and the upregulation of Sufu. The location and expression of EMT markers were also verified by Immunofluorescence. Immunohistochemistry assay was used on intracranial glioma tissues of nude mice. The capacities of cell migration and invasion were suppressed with combined therapy. This research showed Curcumin could rescue the EMT process induced by γ-irradiation via inhibiting the Hedgehog signaling pathway and potentiate the cell cytotoxic effect in vivo and in vitro.
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Affiliation(s)
- Xiangqi Meng
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China
| | - Jinquan Cai
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China.,c Neuroscience Institute, Heilongjiang Academy of Medical Sciences , Harbin , China
| | - Jichao Liu
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China
| | - Bo Han
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China
| | - Fei Gao
- d Department of Laboratory Diagnosis , The Second Affiliated Hospital of Harbin Medical University , Harbin , China
| | - Weida Gao
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China
| | - Yao Zhang
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China
| | - Jinwei Zhang
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China
| | - Zhefeng Zhao
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China
| | - Chuanlu Jiang
- a Department of Neurosurgery , The Second Affiliated Hospital of Harbin Medical University , Harbin , China.,b Chinese Glioma Cooperative Group (CGCG) , Beijing , China.,c Neuroscience Institute, Heilongjiang Academy of Medical Sciences , Harbin , China
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38
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Wu C, Hu S, Cheng J, Wang G, Tao K. Smoothened antagonist GDC-0449 (Vismodegib) inhibits proliferation and triggers apoptosis in colon cancer cell lines. Exp Ther Med 2017; 13:2529-2536. [PMID: 28565875 DOI: 10.3892/etm.2017.4282] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 02/03/2017] [Indexed: 12/19/2022] Open
Abstract
The sonic hedgehog (Shh) pathway has been proven to be involved in embryonic development and cancer growth. GDC-0449, an antagonist of the hedgehog signaling receptor Smoothened (Smo), was recently approved by the US Food and Drug Administration as a prescription for skin basal cell carcinoma. However, the efficacy of GDC-0449 in the treatment of colon cancer and other malignancies, such as basal cell carcinoma and pancreatic cancer, has remained to be proven. The present study assessed the effect of GDC-0449 on the colon cancer cell lines Caco-2 and Ht-29. A Cell Counting Kit-8 assay was applied to assess the cell proliferation rate and apoptosis was tested by flow cytometry. Reverse-transcription quantitative PCR and western blot analysis were used for analyzing expression levels of target genes. Cell proliferation was inhibited, while apoptosis was increased by GDC-0449, whereas the expression of B-cell lymphoma 2 (Bcl-2), a downstream target of Shh signaling, was decreased. Consistent with the inhibition of Gli1 expression, the cancer stem cell markers CD44 and ALDH were decreased in the presence of GDC-0449. In conclusion, GDC-0449 was shown to inhibit the replication of colon cancer cells and trigger apoptosis through downregulating Bcl-2. This may also influence the stemness of cancer stem cells as indicated by the decreased stem cell surface markers.
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Affiliation(s)
- Chuanqing Wu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Shaobo Hu
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Ji Cheng
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Guobin Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Kaixiong Tao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
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Nwabo Kamdje A, Vecchio L, Takam Kamga P, Seke Etet P, Muller J, Bassi G, Krampera M. Developmental Pathways. INTRODUCTION TO CANCER METASTASIS 2017:337-352. [DOI: 10.1016/b978-0-12-804003-4.00018-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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40
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Nwabo Kamdje AH, Takam Kamga P, Tagne Simo R, Vecchio L, Seke Etet PF, Muller JM, Bassi G, Lukong E, Kumar Goel R, Mbo Amvene J, Krampera M. Developmental pathways associated with cancer metastasis: Notch, Wnt, and Hedgehog. Cancer Biol Med 2017; 14:109-120. [PMID: 28607802 PMCID: PMC5444923 DOI: 10.20892/j.issn.2095-3941.2016.0032] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Master developmental pathways, such as Notch, Wnt, and Hedgehog, are signaling systems that control proliferation, cell death, motility, migration, and stemness. These systems are not only commonly activated in many solid tumors, where they drive or contribute to cancer initiation, but also in primary and metastatic tumor development. The reactivation of developmental pathways in cancer stroma favors the development of cancer stem cells and allows their maintenance, indicating these signaling pathways as particularly attractive targets for efficient anticancer therapies, especially in advanced primary tumors and metastatic cancers. Metastasis is the worst feature of cancer development. This feature results from a cascade of events emerging from the hijacking of epithelial-mesenchymal transition, angiogenesis, migration, and invasion by transforming cells and is associated with poor survival, drug resistance, and tumor relapse. In the present review, we summarize and discuss experimental data suggesting pivotal roles for developmental pathways in cancer development and metastasis, considering the therapeutic potential. Emerging targeted antimetastatic therapies based on Notch, Wnt, and Hedgehog pathways are also discussed.
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Affiliation(s)
| | - Paul Takam Kamga
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Richard Tagne Simo
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Lorella Vecchio
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | | | - Jean Marc Muller
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Giulio Bassi
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Erique Lukong
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Raghuveera Kumar Goel
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Jeremie Mbo Amvene
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Mauro Krampera
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
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41
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Li J, Cai J, Zhao S, Yao K, Sun Y, Li Y, Chen L, Li R, Zhai X, Zhang J, Jiang C. GANT61, a GLI inhibitor, sensitizes glioma cells to the temozolomide treatment. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2016; 35:184. [PMID: 27894350 PMCID: PMC5127098 DOI: 10.1186/s13046-016-0463-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 11/22/2016] [Indexed: 12/15/2022]
Abstract
BACKGROUND The aim of this study was to investigate the effect of downregulating Hedgehog pathway by GANT61 on human glioma cells, examine the consequent changes of temozolomide (TMZ)-induced effects and explore the molecular mechanisms. METHODS The cytotoxicity of a Gli1/2 inhibitor, GANT61 was examined both alone and in combination with TMZ in human glioma cell lines. The mRNA and protein expression alterations were determined by quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot, respectively. CCK-8 assay detected the cell proliferative capability. Apoptotic cell number was measured by flow cytometry. The transwell assay was used to test the cell invasive capability. DNA damage effect was identified by COMET assay and γH2AX expression. RESULTS Proliferation of tumor cells treated with GANT61 in combination with TMZ was significantly suppressed compared with those treated with either drug used alone. The combination treatment induced a higher rate of apoptosis, DNA damage and reduced the invasive capability of glioma cells. DNA damage repair enzyme MGMT and the Notch1 pathway increased in the cells treated by TMZ treatment. However, GANT61 could abrogated the protein increasing. CONCLUSIONS GANT61 sensitizes glioma cells to TMZ treatment by enhancing DNA damage effect, decreasing MGMT expression and the Notch1 pathway.
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Affiliation(s)
- Jianlong Li
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China.,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China
| | - Jinquan Cai
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China.,Neuroscience Institute, Heilongjiang Academy of Medical Sciences, Harbin, 150086, China.,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China
| | - Shihong Zhao
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China
| | - Kun Yao
- Department of Pathology, Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China
| | - Ying Sun
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China.,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China
| | - Yongli Li
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China.,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China
| | - Lingchao Chen
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, 200040, China.,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China
| | - Ruiyan Li
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China.,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China
| | - Xiuwei Zhai
- Department of Neurosurgery, Daqing LongNan Hospital, Daqing, 163001, China
| | - Junhe Zhang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China. .,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China.
| | - Chuanlu Jiang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, 150086, Harbin, People's Republic of China. .,Neuroscience Institute, Heilongjiang Academy of Medical Sciences, Harbin, 150086, China. .,Chinese Glioma Cooperative Group (CGCG), Beijing, 100050, China.
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Paluszczak J, Wiśniewska D, Kostrzewska-Poczekaj M, Kiwerska K, Grénman R, Mielcarek-Kuchta D, Jarmuż-Szymczak M. Prognostic significance of the methylation of Wnt pathway antagonists-CXXC4, DACT2, and the inhibitors of sonic hedgehog signaling-ZIC1, ZIC4, and HHIP in head and neck squamous cell carcinomas. Clin Oral Investig 2016; 21:1777-1788. [PMID: 27553089 PMCID: PMC5442212 DOI: 10.1007/s00784-016-1946-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 08/16/2016] [Indexed: 12/18/2022]
Abstract
Objectives Aberrations in Wnt and Shh signaling pathways are related to the pathogenesis of head and neck carcinomas, and their activation frequently results from epigenetic alterations. This study aimed to assess the frequency of methylation of negative regulators of Wnt signaling: CXXC4, DACT2, HDPR1, and FBXW11 and Shh signaling: HHIP, PTCH1, SUFU, ZIC1, and ZIC4 and correlate it with clinicopathological features in this group of patients. Materials and methods Methylation-specific PCR was used to detect gene promoter methylation, and real-time PCR was used to assess gene expression level. Results The analysis of the occurrence of gene promoter methylation in head and neck carcinoma cell lines indicated that CXXC4, DACT2, HHIP, ZIC1, and ZIC4 are methylated in these tumors. These genes were further analyzed in tumor sections from oral and laryngeal cancer patients. Gene methylation rate was higher in laryngeal tumors. The methylation index in tumor samples correlated with the overall survival in a subgroup of oral cancer patients who died of the disease. Moreover, ZIC4 methylation correlated with lymph node involvement in oral cancer patients. Conclusions Our findings corroborate that the activation of Wnt signaling in head and neck squamous cell carcinoma (HNSCC) is related to epigenetic silencing of its negative regulators. Moreover, the results indicate that the same mechanism of activation may operate in the case of Shh signaling. Clinical relevance The methylation of ZIC4 may be considered a new prognostic marker in oral cavity and oropharyngeal tumors. Further investigations should determine the diagnostic significance of methylation of ZIC4, HHIP, and DACT2 in head and neck carcinomas.
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Affiliation(s)
- Jarosław Paluszczak
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, ul. Święcickiego 4, 60-781, Poznań, Poland.
| | - Dorota Wiśniewska
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, ul. Święcickiego 4, 60-781, Poznań, Poland
| | | | - Katarzyna Kiwerska
- Department of Cancer Genetics, Institute of Human Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Reidar Grénman
- Department of Otorhinolaryngology, Head and Neck Surgery and Department of Medical Biochemistry, Turku University Central Hospital and Turku University, Turku, Finland
| | - Daniela Mielcarek-Kuchta
- Department of Otolaryngology and Laryngological Oncology, Poznan University of Medical Sciences, Poznań, Poland
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43
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Dou C, Liu Z, Xu M, Jia Y, Wang Y, Li Q, Yang W, Zheng X, Tu K, Liu Q. miR-187-3p inhibits the metastasis and epithelial-mesenchymal transition of hepatocellular carcinoma by targeting S100A4. Cancer Lett 2016; 381:380-90. [PMID: 27544906 DOI: 10.1016/j.canlet.2016.08.011] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 06/29/2016] [Accepted: 08/12/2016] [Indexed: 02/07/2023]
Abstract
miR-187-3p, a novel cancer-related microRNA, was previously reported to play promoting or suppressive roles in different malignancies. However, the expression level, biological function, and underlying mechanisms of miR-187-3p in hepatocellular carcinoma (HCC) remain unknown. This study demonstrated that miR-187-3p was significantly down-regulated in HCC tissues and cell lines, and was associated with advanced TNM stage and metastasis in HCC. Functional studies confirmed that miR-187-3p could inhibit the metastasis of HCC both in vitro and in vivo. Moreover, we proved that miR-187-3p could prevent the epithelial-mesenchymal transition (EMT) of HCC cells. Mechanically, S100A4 was a direct downstream target of miR-187-3p, and mediated the functional influence of miR-187-3p in HCC. Furthermore, miR-187-3p and S100A4 expression was evidently correlated with adverse clinical features and poor prognosis of HCC. Lastly, we showed that hypoxia was responsible for the significantly decreased level of miR-187-3p in HCC, and miR-187-3p was involved in the promoting effects of hypoxia on the metastasis and EMT of HCC cells. Taken together, miR-187-3p inhibits the metastasis and EMT in HCC by targeting S100A4. miR-187-3p can serve as a prognostic indicator and a promising therapeutic target for HCC patients.
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Affiliation(s)
- Changwei Dou
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Zhikui Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Meng Xu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Yuli Jia
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Yufeng Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Qing Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Wei Yang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xin Zheng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Kangsheng Tu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
| | - Qingguang Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
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Lee HJ, Wu Q, Li H, Bae GU, Kim AK, Ryu JH. A sesquiterpene lactone from Siegesbeckia glabrescens suppresses Hedgehog/Gli-mediated transcription in pancreatic cancer cells. Oncol Lett 2016; 12:2912-2917. [PMID: 27698879 DOI: 10.3892/ol.2016.4994] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 06/16/2016] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer is aggressive and therefore difficult to treat; however, continued efforts have been made with the aim of developing an effective therapy against the disease. The Hedgehog (Hh) signaling pathway is reportedly involved in the proliferation and survival of pancreatic cancer cells. The transcription factor glioma-associated oncogene (Gli) is a key component of the Hh signaling pathway and the primary effector of pancreatic cancer development. Inhibiting Gli is a proven therapeutic strategy for this disease. The present study examined the regulation of Gli and the expression of its target genes to identify an inhibitor of the Sonic Hh (Shh) pathway. A germacranolide sesquiterpene lactone (GSL) was isolated from Siegesbeckia glabrescens as an inhibitor of Gli-mediated transcription. The results demonstrated that GSL inhibited Shh-induced osteoblast differentiation and Gli homolog 1 (Gli1)-mediated transcriptional activity in mesenchymal C3H10T1/2 stem cells. Furthermore, GSL suppressed Gli-mediated transcriptional activity in human pancreatic cancer PANC-1 and AsPC-1 cells, which resulted in reduced cancer cell proliferation and downregulated expression of the Gli-target genes, Gli1 and cyclin D1. A sesquiterpene lactone from S. glabrescens may therefore serve as a candidate for the treatment of Hh/Gli-dependent pancreatic cancer.
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Affiliation(s)
- Hwa Jin Lee
- Department of Natural Medicine Resources, Semyung University, Jecheon, Chungcheongbuk-do 390-711, Republic of Korea
| | - Qian Wu
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul 140-742, Republic of Korea
| | - Hua Li
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul 140-742, Republic of Korea
| | - Gyu-Un Bae
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul 140-742, Republic of Korea
| | - An Keun Kim
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul 140-742, Republic of Korea
| | - Jae-Ha Ryu
- Research Center for Cell Fate Control and College of Pharmacy, Sookmyung Women's University, Seoul 140-742, Republic of Korea
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Gutiérrez ML, Corchete L, Teodosio C, Sarasquete ME, del Mar Abad M, Iglesias M, Esteban C, Sayagues JM, Orfao A, Muñoz-Bellvis L. Identification and characterization of the gene expression profiles for protein coding and non-coding RNAs of pancreatic ductal adenocarcinomas. Oncotarget 2016; 6:19070-86. [PMID: 26053098 PMCID: PMC4662476 DOI: 10.18632/oncotarget.4233] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 05/13/2015] [Indexed: 12/13/2022] Open
Abstract
Significant advances have been achieved in recent years in the identification of the genetic and the molecular alterations of pancreatic ductal adenocarcinoma (PDAC). Despite this, at present the understanding of the precise mechanisms involved in the development and malignant transformation of PDAC remain relatively limited. Here, we evaluated for the first time, the molecular heterogeneity of PDAC tumors, through simultaneous assessment of the gene expression profile (GEP) for both coding and non-coding genes of tumor samples from 27 consecutive PDAC patients. Overall, we identified a common GEP for all PDAC tumors, characterized by an increased expression of genes involved in PDAC cell proliferation, local invasion and metastatic capacity, together with a significant alteration of the early steps of the cellular immune response. At the same time, we confirm and extend on previous observations about the genetic complexity of PDAC tumors as revealed by the demonstration of two clearly distinct and unique GEPs (e.g. epithelial-like vs. mesenchymal-like) reflecting the alteration of different signaling pathways involved in the oncogenesis and progression of these tumors. Our results also highlight the potential role of the immune system microenvironment in these tumors, with potential diagnostic and therapeutic implications.
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Affiliation(s)
- María Laura Gutiérrez
- Cytometry Service-NUCLEUS, Department of Medicine, Cancer Research Center (IBMCC-CSIC/USAL) and IBSAL (University of Salamanca), Salamanca, Spain
| | - Luis Corchete
- Cancer Research Center and Service of Hematology (University Hospital of Salamanca), Salamanca, Spain
| | - Cristina Teodosio
- Cytometry Service-NUCLEUS, Department of Medicine, Cancer Research Center (IBMCC-CSIC/USAL) and IBSAL (University of Salamanca), Salamanca, Spain
| | - María Eugenia Sarasquete
- Cancer Research Center and Service of Hematology (University Hospital of Salamanca), Salamanca, Spain
| | - María del Mar Abad
- Department of Pathology (University Hospital of Salamanca), Salamanca, Spain
| | - Manuel Iglesias
- Service of General and Gastrointestinal Surgery and IBSAL (University Hospital of Salamanca), Salamanca, Spain
| | - Carmen Esteban
- Service of General and Gastrointestinal Surgery and IBSAL (University Hospital of Salamanca), Salamanca, Spain
| | - José María Sayagues
- Cytometry Service-NUCLEUS, Department of Medicine, Cancer Research Center (IBMCC-CSIC/USAL) and IBSAL (University of Salamanca), Salamanca, Spain
| | - Alberto Orfao
- Cytometry Service-NUCLEUS, Department of Medicine, Cancer Research Center (IBMCC-CSIC/USAL) and IBSAL (University of Salamanca), Salamanca, Spain
| | - Luis Muñoz-Bellvis
- Service of General and Gastrointestinal Surgery and IBSAL (University Hospital of Salamanca), Salamanca, Spain
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S100A4 in Cancer Metastasis: Wnt Signaling-Driven Interventions for Metastasis Restriction. Cancers (Basel) 2016; 8:cancers8060059. [PMID: 27331819 PMCID: PMC4931624 DOI: 10.3390/cancers8060059] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 05/27/2016] [Accepted: 06/09/2016] [Indexed: 02/07/2023] Open
Abstract
The aberrant activity of Wnt signaling is an early step in the transformation of normal intestinal cells to malignant tissue, leading to more aggressive tumors, and eventually metastases. In colorectal cancer (CRC), metastasis accounts for about 90% of patient deaths, representing the most lethal event during the course of the disease and is directly linked to patient survival, critically limiting successful therapy. This review focuses on our studies of the metastasis-inducing gene S100A4, which we identified as transcriptional target of β-catenin. S100A4 increased migration and invasion in vitro and metastasis in mice. In patient CRC samples, high S100A4 levels predict metastasis and reduced patient survival. Our results link pathways important for tumor progression and metastasis: the Wnt signaling pathway and S100A4, which regulates motility and invasiveness. S100A4 suppression by interdicting Wnt signaling has potential for therapeutic intervention. As proof of principle, we applied S100A4 shRNA systemically and prevented metastasis in mice. Furthermore, we identified small molecule inhibitors from high-throughput screens of pharmacologically active compounds employing an S100A4 promoter-driven reporter. Best hits act, as least in part, via intervening in the Wnt pathway and restricted metastasis in mouse models. We currently translate our findings on restricting S100A4-driven metastasis into clinical practice. The repositioned FDA-approved drug niclosamide, targeting Wnt signaling, is being tested in a prospective phase II clinical trial for treatment of CRC patients. Our assay for circulating S100A4 transcripts in patient blood is used to monitor treatment success.
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Abstract
The hedgehog signaling pathway was first discovered in the 1980s. It is a stem cell-related pathway that plays a crucial role in embryonic development, tissue regeneration, and organogenesis. Aberrant activation of hedgehog signaling leads to pathological consequences, including a variety of human tumors such as pancreatic cancer. Multiple lines of evidence indicate that blockade of this pathway with several small-molecule inhibitors can inhibit the development of pancreatic neoplasm. In addition, activated hedgehog signaling has been reported to be involved in fibrogenesis in many tissues, including the pancreas. Therefore, new therapeutic targets based on hedgehog signaling have attracted a great deal of attention to alleviate pancreatic diseases. In this review, we briefly discuss the recent advances in hedgehog signaling in pancreatic fibrogenesis and carcinogenesis and highlight new insights on their potential relationship with respect to the development of novel targeted therapies.
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Affiliation(s)
- Yongyu Bai
- From the Wenzhou Medical University (Yongyu Bai, JD, QL, YJ, MZ); and Wenzhou Key Laboratory of Surgery (Yongheng Bai, BC), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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SHh-Gli1 signaling pathway promotes cell survival by mediating baculoviral IAP repeat-containing 3 (BIRC3) gene in pancreatic cancer cells. Tumour Biol 2016; 37:9943-50. [PMID: 26815504 DOI: 10.1007/s13277-016-4898-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 01/20/2016] [Indexed: 12/19/2022] Open
Abstract
The abnormally activated hedgehog (Hh) signaling pathway is involved in the regulation of proliferation and apoptosis in pancreatic cancer cells, while its exact molecular mechanism is not clear. The purpose of this study was to investigate the regulatory effect of Hh signaling pathway on the transcription of BIRC3 gene and its underlying mechanism in pancreatic cancer cells, as well as the relationship between the Gli1-dependent BIRC3 transcription and cell survival. Firstly, we examined the effect of knockdown or overexpression of Hh on BIRC3 messenger RNA (mRNA) expression by real-time RT-PCR. Then, the regulatory mechanism of Gli1 to BIRC3 gene transcription was investigated by XChIP-PCR and luciferase assays. Finally, the cell survival mediated by the Gli1-dependent BIRC3 transcription was studied by MTT and annexin V-FITC/propidiumiodide (PI) assays. We found that the expression level of BIRC3 mRNA was positively correlated to SHh/Gli1 signaling activation in three pancreatic cancer cell lines. The XChIP-PCR and luciferase assays data showed that the transcription factor Gli1 bound to some enhancers within the promoter regions of BIRC3 gene and promoted gene transcription. The cell proliferation was increased significantly by SHh/Gli1 expression while the apoptotic rate was reduced under the same condition. Moreover, BIRC3 knockdown inhibited cell proliferation and survival induced by SHh overexpression. Our study reveals that Gli1 promoted transcription of BIRC3 gene via cis-acting elements and the SHh-Gli1 signaling pathway maintained cell survival partially through this Gli1-dependent BIRC3 model in pancreatic cancer cells.
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Yan W, Chen J, Chen Z, Chen H. Deregulated miR-296/S100A4 axis promotes tumor invasion by inducing epithelial-mesenchymal transition in human ovarian cancer. Am J Cancer Res 2016; 6:260-269. [PMID: 27186401 PMCID: PMC4859658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 12/06/2015] [Indexed: 06/05/2023] Open
Abstract
S100A4 represents an important member of the S100 family of small calcium-binding proteins. Increased expression of S100A4 has been observed in chronic inflammatory and autoimmune diseases, such as idiopathic inflammatory myopathies. The majority of studies of S100A4 are focused on cancer research; however, the oncogenic roles of S100A4 in epithelial ovarian cancer (EOC) remain largely unexplored. In this study, S100A4 expression is significantly up-regulated in ovarian cancer and associated with the clinical stage of EOC patients. Attenuation of S100A4 expression results in decreased cell mobility and metastatic capacity, whereas overexpression of S100A4 enhanced the invasive ability of EOC cells. Then by an integrated informatics analysis and luciferase reporter assay, we identify that miR-296 is a critical upstream regulator of S100A4. In addition, deregulated miR-296/S100A4 axis facilitates epithelial-mesenchymal transition (EMT) process as demonstrated by altered expression of EMT-related markers. In conclusion, our study reveals that deregulated miR-296/S100A4 promotes tumor progression in EOC, and provides evidence that miR-296/S100A4 axis-related signaling may represent a potential target for EOC therapy.
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Affiliation(s)
- Wang Yan
- Department of Neurology, Internal Medicine Ningbo No. 2 Hospital Ningbo 315000, Zhejiang Province, P. R. China
| | - Jiaqi Chen
- Department of Neurology, Internal Medicine Ningbo No. 2 Hospital Ningbo 315000, Zhejiang Province, P. R. China
| | - Zhaoying Chen
- Department of Neurology, Internal Medicine Ningbo No. 2 Hospital Ningbo 315000, Zhejiang Province, P. R. China
| | - Huimin Chen
- Department of Neurology, Internal Medicine Ningbo No. 2 Hospital Ningbo 315000, Zhejiang Province, P. R. China
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Jin T, Zhang Z, Yang XF, Luo JS. S100A4 expression is closely linked to genesis and progression of glioma by regulating proliferation, apoptosis, migration and invasion. Asian Pac J Cancer Prev 2015; 16:2883-7. [PMID: 25854377 DOI: 10.7314/apjcp.2015.16.7.2883] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The calcium-binding S100A4 protein is involved in epithelial to mesenchymal transition, oncogenic transformation, angiogenesis, cytoskeletal integrity, mobility and metastasis of cancer cells. This study aimed to clarify the roles of S100A4 in genesis and progression of glioma. MATERIALS AND METHODS S100A4 expression was examined by real-time RT-CPR and Western blot in glioma and paired normal brain tissue (n=69), and compared with clinicopathological parameters of tumors. In addition, glioma U251 cells transfected with an S100A4-expressing plasmid were examined for proliferation by MTT, apoptosis by Annexin V-FITC, and migration and invasion with Transwell chambers. RESULTS Increased S100A4 mRNA expression was found in gliomas, compared with paired non-tumor tissue (p<0.001). Gradual elevation of overexpression of S100A4 was observed with increasing glioma grade (p<0.001). Astrocytoma showed lower S100A4 mRNA expression than oligodendrogliomas, with glioblastomas having highest values (p<0.001). Similar results were obtained for S100A4 protein, a positive link being found between mRNA and protein expression in gliomas (p<0.001). There was higher growth, lower apoptosis, stronger migration and invasion of S100A4 transfectants than control and mock transfected cells (p<0.001). CONCLUSIONS These findings indicate that up-regulated S100A4 expression is positively linked to pathogenesis, progression and histogenesis of glioma by modulating proliferation, apoptosis, migration and invasion.
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Affiliation(s)
- Ting Jin
- Department of Neurosurgery, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, China E-mail :
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