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Dolskii A, Alcantara Dos Santos SA, Andrake M, Franco-Barraza J, Dunbrack RL, Cukierman E. Exploring the potential role of palladin in modulating human CAF/ECM functional units. Cytoskeleton (Hoboken) 2024. [PMID: 39239855 DOI: 10.1002/cm.21926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 08/24/2024] [Accepted: 08/27/2024] [Indexed: 09/07/2024]
Abstract
Fibroblasts, crucial for maintaining tissue homeostasis, significantly shape the tumor microenvironment (TME). In pancreatic cancer, a highly aggressive malignancy, cancer-associated fibroblast (CAF)/extracellular matrix (ECM) units dominate the TME, influencing tumor initiation, progression, and treatment responses. Palladin, an actin-associated protein, is vital for fibroblast structural integrity and activation, playing a key role in CAF/ECM functionality. Palladin interacts with cytoskeletal proteins such as alpha-actinin (α-Act) and can therefore regulate other proteins like syndecans, modulating cytoskeletal features, cell adhesion, integrin recycling, and signaling. In this review, we propose that targeting the palladin/α-Act/syndecan interaction network could modulate CAF/ECM units, potentially shifting the TME from a tumor-promoting to a tumor-suppressive state. In silico data and reported studies to suggest that stabilizing palladin-α-Act interactions, via excess palladin, influences syndecan functions; potentially modulating integrin endocytosis via syndecan engagement with protein kinase C alpha as opposed to syndecan binding to α-Act. This mechanism can then affect the distribution of active α5β1-integrin between the plasma membrane and known intracellular vesicular compartments, thereby influencing the tumor-suppressive versus tumor-promoting functions of CAF/ECM units. Understanding these interactions offers likely future therapeutic avenues for stroma normalization in pancreatic and other cancers, aiming to inhibit tumor progression and improve future treatment outcomes.
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Affiliation(s)
- Aleksandr Dolskii
- Cancer Signaling and Microenvironment, Marvin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Lewis Katz School of Medicine, Temple Health, Philadelphia, Pennsylvania, USA
| | - Sérgio A Alcantara Dos Santos
- Cancer Signaling and Microenvironment, Marvin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Lewis Katz School of Medicine, Temple Health, Philadelphia, Pennsylvania, USA
| | - Mark Andrake
- Cancer Signaling and Microenvironment, Marvin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Lewis Katz School of Medicine, Temple Health, Philadelphia, Pennsylvania, USA
| | - Janusz Franco-Barraza
- Cancer Signaling and Microenvironment, Marvin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Lewis Katz School of Medicine, Temple Health, Philadelphia, Pennsylvania, USA
| | - Roland L Dunbrack
- Cancer Signaling and Microenvironment, Marvin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Lewis Katz School of Medicine, Temple Health, Philadelphia, Pennsylvania, USA
| | - Edna Cukierman
- Cancer Signaling and Microenvironment, Marvin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Lewis Katz School of Medicine, Temple Health, Philadelphia, Pennsylvania, USA
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Long L, Sun Q, Yang F, Zhou H, Wang Y, Xiao C, He Q, Yi B. Significance of SDC2 and NDRG4 methylation in stool for colorectal cancer diagnosis. Clin Biochem 2024; 124:110717. [PMID: 38224931 DOI: 10.1016/j.clinbiochem.2024.110717] [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: 11/05/2023] [Revised: 12/24/2023] [Accepted: 01/10/2024] [Indexed: 01/17/2024]
Abstract
BACKGROUND Recent studies have identified methylated SDC2 and NDRG4 in colorectal cancer (CRC), however, the diagnostic value of the combined two genes remains undefined. This study aims to investigate the methylation of SDC2 and NDRG4 in stool samples and their application in diagnosis of CRC. METHODS Five groups were enrolled in our study which consisted of CRC (n = 138), advanced adenomas (n = 27), polyp (n = 35), intestinal disease control (n = 150), and healthy individuals (n = 28). Methylation status of SDC2 and NDRG4 in fecal samples were tested with appropriate commercial kits. Primary data were collected and statistical analyses were performed. RESULTS The positive rates of both SDC2 and NDRG4 methylation in stool samples of CRC group were significantly higher (P < 0.001) than those of either group of advanced adenomas, or polyp, or intestinal disease or the healthy control. It was suggested that both methylated SDC2,NDRG4, SDC2/NDRG4 and age were independent risk factors for CRC. The sensitivity of SDC2 and NDRG4 for CRC diagnosis were 73.9 % and 63.0 %, respectively, while SDC2 combined with NDRG4 had a higher sensitivity of 85.5 %. The specificity of SDC2, NDRG4 and SDC2 combined with NDRG4 achieved 91.6 %, 88.3 % and 84.6 %, respectively. The AUC for methylated SDC2 and NDRG4 were 0.828 (95 % CI: 0.780-0.876) and 0.757 (95 % CI: 0.703-0.811), respectively. In contrast, SDC2 combined with NDRG4 improved the AUC to 0.850 (95 % CI: 0.807-0.893). CONCLUSIONS This research confirmed the significance of detection of SDC2 and NDRG4 methylation by using noninvasive samples of stool. More importantly, attributing to their high level and frequency of methylation in stool, SDC2 and NDRG4 could be promising biomarkers for stool-based method for screening and early diagnosis of CRC, especially when combined.
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Affiliation(s)
- Lu Long
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China.
| | - Qian Sun
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China
| | - Fang Yang
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China.
| | - Hui Zhou
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China
| | - Yu Wang
- GeneTalks Biotech Co., Ltd. Changsha, Hunan Province 410000, China.
| | - Changhe Xiao
- GeneTalks Biotech Co., Ltd. Changsha, Hunan Province 410000, China.
| | - Qing He
- GeneTalks Biotech Co., Ltd. Changsha, Hunan Province 410000, China.
| | - Bin Yi
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province 410008, China.
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Sriramulu S, Malayaperumal S, Banerjee A, Anbalagan M, Kumar MM, Radha RKN, Liu X, Zhang H, Hu G, Sun XF, Pathak S. AEG-1 as a Novel Therapeutic Target in Colon Cancer: A Study from Silencing AEG-1 in BALB/c Mice to Large Data Analysis. Curr Gene Ther 2024; 24:307-320. [PMID: 38783530 DOI: 10.2174/0115665232273077240104045022] [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: 08/11/2023] [Revised: 11/15/2023] [Accepted: 12/07/2023] [Indexed: 05/25/2024]
Abstract
BACKGROUND Astrocyte elevated gene-1 (AEG-1) is overexpressed in various malignancies. Exostosin-1 (EXT-1), a tumor suppressor, is an intermediate for malignant tumors. Understanding the mechanism behind the interaction between AEG-1 and EXT-1 may provide insights into colon cancer metastasis. METHODS AOM/DSS was used to induce tumor in BALB/c mice. Using an in vivo-jetPEI transfection reagent, transient transfection of AEG-1 and EXT-1 siRNAs were achieved. Histological scoring, immunohistochemical staining, and gene expression studies were performed from excised tissues. Data from the Cancer Genomic Atlas and GEO databases were obtained to identify the expression status of AEG-1 and itsassociation with the survival. RESULTS In BALB/c mice, the AOM+DSS treated mice developed necrotic, inflammatory and dysplastic changes in the colon with definite clinical symptoms such as loss of goblet cells, colon shortening, and collagen deposition. Administration of AEG-1 siRNA resulted in a substantial decrease in the disease activity index. Mice treated with EXT-1 siRNA showed diffusely reduced goblet cells. In vivo investigations revealed that PTCH-1 activity was influenced by upstream gene AEG-1, which in turn may affect EXT-1 activity. Data from The Cancer Genomic Atlas and GEO databases confirmed the upregulation of AEG-1 and downregulation of EXT-1 in cancer patients. CONCLUSIONS This study revealed that AEG-1 silencing might alter EXT-1 expression indirectly through PTCH-1, influencing cell-ECM interactions, and decreasing dysplastic changes, proliferation and invasion.
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Affiliation(s)
- Sushmitha Sriramulu
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Kelambakkam, Chennai 603103, India
| | - Sarubala Malayaperumal
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Kelambakkam, Chennai 603103, India
| | - Antara Banerjee
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Kelambakkam, Chennai 603103, India
| | - Muralidharan Anbalagan
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Makalakshmi Murali Kumar
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Kelambakkam, Chennai 603103, India
| | - Rajesh Kanna Nandagopal Radha
- Department of Pathology, Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Kelambakkam, Chennai 603103, India
| | - Xingyi Liu
- Center for Systems Biology, Department of Bioinformatics, School of Basic Medicine and Biological Sciences, Suzhou, China
| | - Hong Zhang
- School of Medicine, Institute of Medical Sciences, Orebro University, SE-701 82 Orebro, Sweden
| | - Guang Hu
- School of Medicine, Institute of Medical Sciences, Orebro University, SE-701 82 Orebro, Sweden
| | - Xiao-Feng Sun
- Department of Oncology and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Surajit Pathak
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chettinad Hospital and Research Institute (CHRI), Kelambakkam, Chennai 603103, India
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4
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Liu Y, Li H, Zeng T, Wang Y, Zhang H, Wan Y, Shi Z, Cao R, Tang H. Integrated bulk and single-cell transcriptomes reveal pyroptotic signature in prognosis and therapeutic options of hepatocellular carcinoma by combining deep learning. Brief Bioinform 2023; 25:bbad487. [PMID: 38197309 PMCID: PMC10777172 DOI: 10.1093/bib/bbad487] [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: 10/07/2023] [Revised: 11/22/2023] [Accepted: 11/30/2023] [Indexed: 01/11/2024] Open
Abstract
Although some pyroptosis-related (PR) prognostic models for cancers have been reported, pyroptosis-based features have not been fully discovered at the single-cell level in hepatocellular carcinoma (HCC). In this study, by deeply integrating single-cell and bulk transcriptome data, we systematically investigated significance of the shared pyroptotic signature at both single-cell and bulk levels in HCC prognosis. Based on the pyroptotic signature, a robust PR risk system was constructed to quantify the prognostic risk of individual patient. To further verify capacity of the pyroptotic signature on predicting patients' prognosis, an attention mechanism-based deep neural network classification model was constructed. The mechanisms of prognostic difference in the patients with distinct PR risk were dissected on tumor stemness, cancer pathways, transcriptional regulation, immune infiltration and cell communications. A nomogram model combining PR risk with clinicopathologic data was constructed to evaluate the prognosis of individual patients in clinic. The PR risk could also evaluate therapeutic response to neoadjuvant therapies in HCC patients. In conclusion, the constructed PR risk system enables a comprehensive assessment of tumor microenvironment characteristics, accurate prognosis prediction and rational therapeutic options in HCC.
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Affiliation(s)
- Yang Liu
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Hanlin Li
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Tianyu Zeng
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Yang Wang
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Hongqi Zhang
- School of Life Science and Technology, Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Ying Wan
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Zheng Shi
- Clinical Genetics Laboratory, Clinical Medical College & Affiliated Hospital, Chengdu University, Chengdu 610106, China
| | - Renzhi Cao
- Department of Computer Science, Pacific Lutheran University, Tacoma, Washington 98447, USA
| | - Hua Tang
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
- Basic Medicine Research Innovation Center for Cardiometabolic Diseases,Ministry of Education, Luzhou 646000, China
- Medical Engineering & Medical Informatics Integration and Transformational Medicine Key Laboratory of Luzhou City, Luzhou 646000, China
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5
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Sun L, Zhang Y, Li W, Zhang J, Zhang Y. Mucin Glycans: A Target for Cancer Therapy. Molecules 2023; 28:7033. [PMID: 37894512 PMCID: PMC10609567 DOI: 10.3390/molecules28207033] [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: 09/13/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Mucin glycans are an important component of the mucus barrier and a vital defence against physical and chemical damage as well as pathogens. There are 20 mucins in the human body, which can be classified into secreted mucins and transmembrane mucins according to their distributions. The major difference between them is that secreted mucins do not have transmembrane structural domains, and the expression of each mucin is organ and cell-specific. Under physiological conditions, mucin glycans are involved in the composition of the mucus barrier and thus protect the body from infection and injury. However, abnormal expression of mucin glycans can lead to the occurrence of diseases, especially cancer, through various mechanisms. Therefore, targeting mucin glycans for the diagnosis and treatment of cancer has always been a promising research direction. Here, we first summarize the main types of glycosylation (O-GalNAc glycosylation and N-glycosylation) on mucins and the mechanisms by which abnormal mucin glycans occur. Next, how abnormal mucin glycans contribute to cancer development is described. Finally, we summarize MUC1-based antibodies, vaccines, radio-pharmaceuticals, and CAR-T therapies using the best characterized MUC1 as an example. In this section, we specifically elaborate on the recent new cancer therapy CAR-M, which may bring new hope to cancer patients.
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Affiliation(s)
- Lingbo Sun
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Yuhan Zhang
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Wenyan Li
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Jing Zhang
- Medical College of Yan'an University, Yan'an University, Yan'an 716000, China
| | - Yuecheng Zhang
- Key Laboratory of Analytical Technology and Detection of Yan'an, College of Chemistry and Chemical Engineering, Yan'an University, Yan'an 716000, China
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6
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Yang Y, Cao YL, Wang WH, Sen Shi S, Zhang YY, Lv BB, Yang WW, Li M, Wei D. Syndecan-2 modulates the YAP pathway in epithelial-to-mesenchymal transition-related migration, invasion, and drug resistance in colorectal cancer. Heliyon 2023; 9:e20183. [PMID: 37876440 PMCID: PMC10590854 DOI: 10.1016/j.heliyon.2023.e20183] [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: 04/02/2023] [Revised: 09/07/2023] [Accepted: 09/13/2023] [Indexed: 10/26/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is associated with an invasive phenotype in colorectal cancer (CRC). Here, we examined the roles of YES-associated protein (YAP) and syndecan-2 (SDC2) in EMT-related progression, invasion, metastasis, and drug resistance in CRC. The expression levels of YAP and SDC2 in CRC patient tumor tissue were quantified by PCR and western blotting. EMT-associated characteristics were assessed using Transwell assays and immunohistochemistry. Co-immunoprecipitation, glutathione S-transferase pull-down, and luciferase reporter assays were used to assess interactions between YAP and SDC2. YAP was found to be highly expressed in tumor tissue from 13/16 CRC patients, while SDC2 was highly expressed in the tumor tissue of 12/16 CRC patients. Overexpression of YAP in colon cancer cells led to increased cell viability, invasion, migration, and oxaliplatin resistance demonstrating that YAP plays a role in EMT. In addition, overexpression of YAP led to decreased expression of the large tumor suppressor kinase 1 (LATS1) and mammalian sterile 20-like kinases (MST1/2). Decreased LATS1 expression was associated with increased levels of cell proliferation. Knockdown of YAP by shRNA interference led to decreased cell invasion, migration, and drug resistance in colon cancer cells and reduced tumorigenesis in a mouse xenograft model. Finally, we established that YAP interacted with SDC2, and demonstrated that SDC2 mediated the YAP pathway through the EMT-related factors BMP4, CTGF and FOXM1.
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Affiliation(s)
- Yang Yang
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Yong Li Cao
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Wen Hang Wang
- Department of Anorectal, Zhumadian Central Hospital, Zhumadian, 463000, Henan Province, China
| | - Shou Sen Shi
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Yuan Yao Zhang
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Bing Bing Lv
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Wei Wei Yang
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Ming Li
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
| | - Dong Wei
- Institute of Anal Colorectal Surgery, The 989th Hospital of the Joint Logistics Support Force of PLA, Luoyang, 471031, Henan Province, China
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7
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Wang R, Song S, Qin J, Yoshimura K, Peng F, Chu Y, Li Y, Fan Y, Jin J, Dang M, Dai E, Pei G, Han G, Hao D, Li Y, Chatterjee D, Harada K, Pizzi MP, Scott AW, Tatlonghari G, Yan X, Xu Z, Hu C, Mo S, Shanbhag N, Lu Y, Sewastjanow-Silva M, Fouad Abdelhakeem AA, Peng G, Hanash SM, Calin GA, Yee C, Mazur P, Marsden AN, Futreal A, Wang Z, Cheng X, Ajani JA, Wang L. Evolution of immune and stromal cell states and ecotypes during gastric adenocarcinoma progression. Cancer Cell 2023; 41:1407-1426.e9. [PMID: 37419119 PMCID: PMC10528152 DOI: 10.1016/j.ccell.2023.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 04/10/2023] [Accepted: 06/12/2023] [Indexed: 07/09/2023]
Abstract
Understanding tumor microenvironment (TME) reprogramming in gastric adenocarcinoma (GAC) progression may uncover novel therapeutic targets. Here, we performed single-cell profiling of precancerous lesions, localized and metastatic GACs, identifying alterations in TME cell states and compositions as GAC progresses. Abundant IgA+ plasma cells exist in the premalignant microenvironment, whereas immunosuppressive myeloid and stromal subsets dominate late-stage GACs. We identified six TME ecotypes (EC1-6). EC1 is exclusive to blood, while EC4, EC5, and EC2 are highly enriched in uninvolved tissues, premalignant lesions, and metastases, respectively. EC3 and EC6, two distinct ecotypes in primary GACs, associate with histopathological and genomic characteristics, and survival outcomes. Extensive stromal remodeling occurs in GAC progression. High SDC2 expression in cancer-associated fibroblasts (CAFs) is linked to aggressive phenotypes and poor survival, and SDC2 overexpression in CAFs contributes to tumor growth. Our study provides a high-resolution GAC TME atlas and underscores potential targets for further investigation.
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Affiliation(s)
- Ruiping Wang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Shumei Song
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jiangjiang Qin
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China; Institute of Basic Medicine and Cancer, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
| | - Katsuhiro Yoshimura
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Fuduan Peng
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yanshuo Chu
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yuan Li
- Department of Surgical Oncology and General Surgery, First Hospital of China Medical University, Shenyang 110001, China
| | - Yibo Fan
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jiankang Jin
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Minghao Dang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Enyu Dai
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Guangsheng Pei
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Guangchun Han
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Dapeng Hao
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yating Li
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Deyali Chatterjee
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Kazuto Harada
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Melissa Pool Pizzi
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ailing W Scott
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ghia Tatlonghari
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Xinmiao Yan
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Zhiyuan Xu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Can Hu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Shaowei Mo
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China
| | - Namita Shanbhag
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yang Lu
- Department of Nuclear Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Matheus Sewastjanow-Silva
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Ahmed Adel Fouad Abdelhakeem
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Guang Peng
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Samir M Hanash
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - George A Calin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Cassian Yee
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Pawel Mazur
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Autumn N Marsden
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Andrew Futreal
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Zhenning Wang
- Department of Surgical Oncology and General Surgery, First Hospital of China Medical University, Shenyang 110001, China
| | - Xiangdong Cheng
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China; Institute of Basic Medicine and Cancer, Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
| | - Jaffer A Ajani
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Linghua Wang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; The University of Texas MD Anderson Cancer Center UTHealth Houston Graduate School of Biomedical Sciences (GSBS), Houston, TX 77030, USA.
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8
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Goldufsky JW, Daniels P, Williams MD, Gupta K, Lyday B, Chen T, Singh G, Kaufman HL, Zloza A, Marzo AL. Attenuated Dengue virus PV001-DV induces oncolytic tumor cell death and potent immune responses. J Transl Med 2023; 21:483. [PMID: 37468934 PMCID: PMC10357599 DOI: 10.1186/s12967-023-04344-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 07/11/2023] [Indexed: 07/21/2023] Open
Abstract
BACKGROUND Viral therapies developed for cancer treatment have classically prioritized direct oncolytic effects over their immune activating properties. However, recent clinical insights have challenged this longstanding prioritization and have shifted the focus to more immune-based mechanisms. Through the potential utilization of novel, inherently immune-stimulating, oncotropic viruses there is a therapeutic opportunity to improve anti-tumor outcomes through virus-mediated immune activation. PV001-DV is an attenuated strain of Dengue virus (DEN-1 #45AZ5) with a favorable clinical safety profile that also maintains the potent immune stimulatory properties characterstic of Dengue virus infection. METHODS In this study, we utilized in vitro tumor killing and immune multiplex assays to examine the anti-tumor effects of PV001-DV as a potential novel cancer immunotherapy. RESULTS In vitro assays demonstrated that PV001-DV possesses the ability to directly kill human melanoma cells lines as well as patient melanoma tissue ex vivo. Importantly, further work demonstrated that, when patient peripheral blood mononuclear cells (PBMCs) were exposed to PV001-DV, a substantial induction in the production of apoptotic factors and immunostimulatory cytokines was detected. When tumor cells were cultured with the resulting soluble mediators from these PBMCs, rapid cell death of melanoma and breast cancer cell lines was observed. These soluble mediators also increased dengue virus binding ligands and immune checkpoint receptor, PD-L1 expression. CONCLUSIONS The direct in vitro tumor-killing and immune-mediated tumor cytotoxicity facilitated by PV001-DV contributes support of its upcoming clinical evaluation in patients with advanced melanoma who have failed prior therapy.
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Affiliation(s)
- Josef W Goldufsky
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Preston Daniels
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Michael D Williams
- Department of Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Kajal Gupta
- Department of Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Bruce Lyday
- Primevax Immuno-Oncology, Inc, Orange, CA, 92868, USA
| | - Tony Chen
- Primevax Immuno-Oncology, Inc, Orange, CA, 92868, USA
| | - Geeta Singh
- Primevax Immuno-Oncology, Inc, Orange, CA, 92868, USA
| | - Howard L Kaufman
- Department of Surgery, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Andrew Zloza
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Amanda L Marzo
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, 60612, USA.
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9
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Berdiaki A, Giatagana EM, Tzanakakis G, Nikitovic D. The Landscape of Small Leucine-Rich Proteoglycan Impact on Cancer Pathogenesis with a Focus on Biglycan and Lumican. Cancers (Basel) 2023; 15:3549. [PMID: 37509212 PMCID: PMC10377491 DOI: 10.3390/cancers15143549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
Cancer development is a multifactorial procedure that involves changes in the cell microenvironment and specific modulations in cell functions. A tumor microenvironment contains tumor cells, non-malignant cells, blood vessels, cells of the immune system, stromal cells, and the extracellular matrix (ECM). The small leucine-rich proteoglycans (SLRPs) are a family of nineteen proteoglycans, which are ubiquitously expressed among mammalian tissues and especially abundant in the ECM. SLRPs are divided into five canonical classes (classes I-III, containing fourteen members) and non-canonical classes (classes IV-V, including five members) based on their amino-acid structural sequence, chromosomal organization, and functional properties. Variations in both the protein core structure and glycosylation status lead to SLRP-specific interactions with cell membrane receptors, cytokines, growth factors, and structural ECM molecules. SLRPs have been implicated in the regulation of cancer growth, motility, and invasion, as well as in cancer-associated inflammation and autophagy, highlighting their crucial role in the processes of carcinogenesis. Except for the class I SLRP decorin, to which an anti-tumorigenic role has been attributed, other SLPRs' roles have not been fully clarified. This review will focus on the functions of the class I and II SLRP members biglycan and lumican, which are correlated to various aspects of cancer development.
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Affiliation(s)
- Aikaterini Berdiaki
- Laboratory of Histology-Embryology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Eirini-Maria Giatagana
- Laboratory of Histology-Embryology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - George Tzanakakis
- Laboratory of Histology-Embryology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Dragana Nikitovic
- Laboratory of Histology-Embryology, Medical School, University of Crete, 71003 Heraklion, Greece
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10
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Revisiting the Syndecans: Master Signaling Regulators with Prognostic and Targetable Therapeutic Values in Breast Carcinoma. Cancers (Basel) 2023; 15:cancers15061794. [PMID: 36980680 PMCID: PMC10046401 DOI: 10.3390/cancers15061794] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Syndecans (SDC1 to 4), a family of cell surface heparan sulfate proteoglycans, are frequently expressed in mammalian tissues. SDCs are aberrantly expressed either on tumor or stromal cells, influencing cancer initiation and progression through their pleiotropic role in different signaling pathways relevant to proliferation, cell-matrix adhesion, migration, invasion, metastasis, cancer stemness, and angiogenesis. In this review, we discuss the key roles of SDCs in the pathogenesis of breast cancer, the most common malignancy in females worldwide, focusing on the prognostic significance and molecular regulators of SDC expression and localization in either breast tumor tissue or its microenvironmental cells and the SDC-dependent epithelial–mesenchymal transition program. This review also highlights the molecular mechanisms underlying the roles of SDCs in regulating breast cancer cell behavior via modulation of nuclear hormone receptor signaling, microRNA expression, and exosome biogenesis and functions, as well as summarizing the potential of SDCs as promising candidate targets for therapeutic strategies against breast cancer.
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11
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Yang H, Wang L. Heparan sulfate proteoglycans in cancer: Pathogenesis and therapeutic potential. Adv Cancer Res 2023; 157:251-291. [PMID: 36725112 DOI: 10.1016/bs.acr.2022.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The heparan sulfate proteoglycans (HSPGs) are glycoproteins that consist of a proteoglycan "core" protein and covalently attached heparan sulfate (HS) chain. HSPGs are ubiquitously expressed in mammalian cells on the cell surface and in the extracellular matrix (ECM) and secretory vesicles. Within HSPGs, the protein cores determine when and where HSPG expression takes place, and the HS chains mediate most of HSPG's biological roles through binding various protein ligands, including cytokines, chemokines, growth factors and receptors, morphogens, proteases, protease inhibitors, and ECM proteins. Through these interactions, HSPGs modulate cell proliferation, adhesion, migration, invasion, and angiogenesis to display essential functions in physiology and pathology. Under physiological conditions, the expression and localization of HSPGs are finely regulated to orchestrate their physiological functions, and this is disrupted in cancer. The HSPG dysregulation elicits multiple oncogenic signaling, including growth factor signaling, ECM and Integrin signaling, chemokine and immune signaling, cancer stem cell, cell differentiation, apoptosis, and senescence, to prompt cell transformation, proliferation, tumor invasion and metastasis, tumor angiogenesis and inflammation, and immunotolerance. These oncogenic roles make HSPGs an attractive pharmacological target for anti-cancer therapy. Several therapeutic strategies have been under development, including anti-HSPG antibodies, peptides and HS mimetics, synthetic xylosides, and heparinase inhibitors, and shown promising anti-cancer efficacy. Therefore, much progress has been made in this line of study. However, it needs to bear in mind that the roles of HSPGs in cancer can be either oncogenic or tumor-suppressive, depending on the HSPG and the cancer cell type with the underlying mechanisms that remain obscure. Further studies need to address these to fill the knowledge gap and rationalize more efficient therapeutic targeting.
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Affiliation(s)
- Hua Yang
- Department of Molecular Pharmacology & Physiology, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - Lianchun Wang
- Department of Molecular Pharmacology & Physiology, Morsani College of Medicine, University of South Florida, Tampa, FL, United States; Bryd Alzheimer's Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, United States.
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12
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Ataş MN, Ertuğrul B, İplik ES, Çakmakoğlu B, Ergen A. The inhibitory effect of betulinic acid on epithelial-mesenchymal transition pathway in renal cell carcinoma. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 39:170. [PMID: 35972672 DOI: 10.1007/s12032-022-01775-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/17/2022] [Indexed: 11/28/2022]
Abstract
Renal cancer is the most lethal urological cancer and characterized by high metastasis rate at initial diagnosis and drug resistance to current chemotherapeutics. Betulinic acid is a pentacyclic triterpene with broad biological activity that occurs naturally in variety of plants. Even though the anti-cancer efficacy of betulinic acid have been reported by many studies, the information about the pathways and the molecules which are affected by betulinic acid in renal cancer are limited. Epithelial-mesenchymal transition (EMT) is considered as the initial step of metastasis and contributes to drug resistance of cancer cells. Depending on the role of EMT in cancer progression and drug resistance, targeting EMT may represent an effective strategy in this context. Therefore, we aimed to investigate the anti-metastatic effects of betulinic acid on renal cell carcinoma cells by evaluating two EMT markers, SNAIL-1, and SDC-2. Following the treatment of betulinic acid at determined doses by WST-1 cytotoxicity assay in our previous study, SDC-2 expression level was decreased in both cell lines. Additionally, in correlation with this result, we also found a reduction in SDC-2 and SNAIL-1 protein levels which are measured by ELISA. Furthermore, the migration and invasion capacities were suppressed by betulinic acid treatment in metastatic renal adenocarcinoma ACHN cells. Taken together, our findings indicate that betulinic acid may constitute a potential treatment approach for renal cancer with further investigations.
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Affiliation(s)
- Merve Nur Ataş
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.,Graduate School of Health Sciences, Istanbul University, Istanbul, Turkey
| | - Barış Ertuğrul
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Elif Sinem İplik
- Department of Biochemistry, Faculty of Medicine, Istanbul Health and Technology University, Istanbul, Turkey
| | - Bedia Çakmakoğlu
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Arzu Ergen
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
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13
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Mitchell MI, Ma J, Carter CL, Loudig O. Circulating Exosome Cargoes Contain Functionally Diverse Cancer Biomarkers: From Biogenesis and Function to Purification and Potential Translational Utility. Cancers (Basel) 2022; 14:3350. [PMID: 35884411 PMCID: PMC9318395 DOI: 10.3390/cancers14143350] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/01/2022] [Accepted: 07/07/2022] [Indexed: 12/12/2022] Open
Abstract
Although diagnostic and therapeutic treatments of cancer have tremendously improved over the past two decades, the indolent nature of its symptoms has made early detection challenging. Thus, inter-disciplinary (genomic, transcriptomic, proteomic, and lipidomic) research efforts have been focused on the non-invasive identification of unique "silver bullet" cancer biomarkers for the design of ultra-sensitive molecular diagnostic assays. Circulating tumor biomarkers, such as CTCs and ctDNAs, which are released by tumors in the circulation, have already demonstrated their clinical utility for the non-invasive detection of certain solid tumors. Considering that exosomes are actively produced by all cells, including tumor cells, and can be found in the circulation, they have been extensively assessed for their potential as a source of circulating cell-specific biomarkers. Exosomes are particularly appealing because they represent a stable and encapsulated reservoir of active biological compounds that may be useful for the non-invasive detection of cancer. T biogenesis of these extracellular vesicles is profoundly altered during carcinogenesis, but because they harbor unique or uniquely combined surface proteins, cancer biomarker studies have been focused on their purification from biofluids, for the analysis of their RNA, DNA, protein, and lipid cargoes. In this review, we evaluate the biogenesis of normal and cancer exosomes, provide extensive information on the state of the art, the current purification methods, and the technologies employed for genomic, transcriptomic, proteomic, and lipidomic evaluation of their cargoes. Our thorough examination of the literature highlights the current limitations and promising future of exosomes as a liquid biopsy for the identification of circulating tumor biomarkers.
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Affiliation(s)
- Megan I Mitchell
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | - Junfeng Ma
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Claire L Carter
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | - Olivier Loudig
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
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14
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Grabowska M, Kuczyński K, Piwecka M, Rabiasz A, Zemła J, Głodowicz P, Wawrzyniak D, Lekka M, Rolle K. miR-218 affects the ECM composition and cell biomechanical properties of glioblastoma cells. J Cell Mol Med 2022; 26:3913-3930. [PMID: 35702951 PMCID: PMC9279592 DOI: 10.1111/jcmm.17428] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 05/10/2022] [Accepted: 05/20/2022] [Indexed: 11/27/2022] Open
Abstract
Glioblastoma (GBM) is the most common malignant brain tumour. GBM cells have the ability to infiltrate into the surrounding brain tissue, which results in a significant decrease in the patient’s survival rate. Infiltration is a consequence of the low adhesion and high migration of the tumour cells, two features being associated with the highly remodelled extracellular matrix (ECM). In this study, we report that ECM composition is partially regulated at the post‐transcriptional level by miRNA. Particularly, we show that miR‐218, a well‐known miRNA suppressor, is involved in the direct regulation of ECM components, tenascin‐C (TN‐C) and syndecan‐2 (SDC‐2). We demonstrated that the overexpression of miR‐218 reduces the mRNA and protein expression levels of TN‐C and SDC‐2, and subsequently influences biomechanical properties of GBM cells. Atomic force microscopy (AFM) and real‐time migration analysis revealed that miR‐218 overexpression impairs the migration potential and enhances the adhesive properties of cells. AFM analysis followed by F‐actin staining demonstrated that the expression level of miR‐218 has an impact on cell stiffness and cytoskeletal reorganization. Global gene expression analysis showed deregulation of a number of genes involved in tumour cell motility and adhesion or ECM remodelling upon miR‐218 treatment, suggesting further indirect interactions between the cells and ECM. The results demonstrated a direct impact of miR‐218 reduction in GBM tumours on the qualitative ECM content, leading to changes in the rigidity of the ECM and GBM cells being conducive to increased invasiveness of GBM.
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Affiliation(s)
| | - Konrad Kuczyński
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań, Poland.,NanoBioMedical Centre, Adam Mickiewicz University, Poznań, Poland
| | - Monika Piwecka
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań, Poland
| | - Alicja Rabiasz
- Institute of Human Genetics, Polish Academy of Sciences, Poznań, Poland
| | - Joanna Zemła
- Institute of Nuclear Physics, Polish Academy of Sciences, Kraków, Poland
| | - Paweł Głodowicz
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań, Poland
| | - Dariusz Wawrzyniak
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań, Poland
| | - Małgorzata Lekka
- Institute of Nuclear Physics, Polish Academy of Sciences, Kraków, Poland
| | - Katarzyna Rolle
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań, Poland
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15
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Substituted Syndecan-2-Derived Mimetic Peptides Show Improved Antitumor Activity over the Parent Syndecan-2-Derived Peptide. Int J Mol Sci 2022; 23:ijms23115888. [PMID: 35682569 PMCID: PMC9180903 DOI: 10.3390/ijms23115888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/11/2022] [Accepted: 05/19/2022] [Indexed: 11/17/2022] Open
Abstract
We previously showed that a synthetic peptide (S2-P) corresponding to a portion of the human syndecan-2 (SDC2) sequence can bind to the pro-domain of matrix metalloproteinase-7 (MMP-7) to inhibit colon cancer activities. Since S2-P had a relatively weak binding affinity for the MMP-7 pro-domain, we herein modified the amino acid sequence of S2-P to improve the anticancer potential. On the basis of the interaction structure of S2-P and MMP-7, four peptides were generated by replacing amino acids near Tyr 51, which is critical for the interaction. The SDC2-mimetic peptides harboring an Ala-to-Asp substitution at the C-terminal side of Tyr 51 (S2-D) or with an Ala-to-Phe substitution at the N-terminal side of Tyr 51 and an Ala-to-Asp substitution at the C-terminal side of Tyr 51 (S2-FE) showed improved interaction affinities for the MMP-7 pro-domain. Compared to S2-P, S2-FE was better able to inhibit the SDC2-MMP-7 interaction, the cell surface localization of MMP-7, the gelatin degradation activity of MMP-7, and the cancer activities (cell migration, invasion, and colony-forming activity) of human HCT116 colon cancer cells in vitro. In vivo, S2-FE inhibited the primary tumor growth and lung metastasis of CT26 mouse colon cancer cells in a xenograft mouse model. Together, these data suggest that S2-FE could be useful therapeutic anticancer peptides for colon cancer.
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16
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Wang Y, Zhou G, Guan T, Wang Y, Xuan C, Ding T, Gao J. A network-based matrix factorization framework for ceRNA co-modules recognition of cancer genomic data. Brief Bioinform 2022; 23:6581436. [PMID: 35514181 DOI: 10.1093/bib/bbac154] [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: 12/14/2021] [Revised: 03/30/2022] [Accepted: 04/06/2022] [Indexed: 11/13/2022] Open
Abstract
With the development of high-throughput technologies, the accumulation of large amounts of multidimensional genomic data provides an excellent opportunity to study the multilevel biological regulatory relationships in cancer. Based on the hypothesis of competitive endogenous ribonucleic acid (RNA) (ceRNA) network, lncRNAs can eliminate the inhibition of microRNAs (miRNAs) on their target genes by binding to intracellular miRNA sites so as to improve the expression level of these target genes. However, previous studies on cancer expression mechanism are mostly based on individual or two-dimensional data, and lack of integration and analysis of various RNA-seq data, making it difficult to verify the complex biological relationships involved. To explore RNA expression patterns and potential molecular mechanisms of cancer, a network-regularized sparse orthogonal-regularized joint non-negative matrix factorization (NSOJNMF) algorithm is proposed, which combines the interaction relations among RNA-seq data in the way of network regularization and effectively prevents multicollinearity through sparse constraints and orthogonal regularization constraints to generate good modular sparse solutions. NSOJNMF algorithm is performed on the datasets of liver cancer and colon cancer, then ceRNA co-modules of them are recognized. The enrichment analysis of these modules shows that >90% of them are closely related to the occurrence and development of cancer. In addition, the ceRNA networks constructed by the ceRNA co-modules not only accurately mine the known correlations of the three RNA molecules but also further discover their potential biological associations, which may contribute to the exploration of the competitive relationships among multiple RNAs and the molecular mechanisms affecting tumor development.
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Affiliation(s)
- Yujie Wang
- School of Science, Jiangnan University, Wuxi 214122, China
| | - Gang Zhou
- School of Science, Jiangnan University, Wuxi 214122, China
| | - Tianhao Guan
- School of Science, Jiangnan University, Wuxi 214122, China
| | - Yan Wang
- School of Science, Jiangnan University, Wuxi 214122, China
| | - Chenxu Xuan
- School of Science, Jiangnan University, Wuxi 214122, China
| | - Tao Ding
- School of Mathematics Statistics and Physics, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Jie Gao
- School of Science, Jiangnan University, Wuxi 214122, China
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17
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A novel method for early detection of colorectal cancer based on detection of methylation of two fragments of syndecan-2 (SDC2) in stool DNA. BMC Gastroenterol 2022; 22:191. [PMID: 35436855 PMCID: PMC9014784 DOI: 10.1186/s12876-022-02264-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 04/04/2022] [Indexed: 02/08/2023] Open
Abstract
Background Methylated SDC2 has been proved as a diagnostic marker for human colorectal cancer (CRC), noninvasive stool DNA-based methylation testing also emerges as a novel approach for detecting CRC. The aim of this study was to evaluate the clinical performance of stool DNA-based SDC2 methylation test by a new qPCR detection reagent for early detection of CRC. Methods A new qPCR detection reagent contained two differentially methylated regions in SDC2 CpG islands for the detection of CRC was used in this study. Performance of the SDC2 methylation detection reagent was evaluated by analyzing limit of detection, precision, and specificity. The effect of interfering substances on assay performance was also tested. 339 subjects (102 CRC patients, 50 patients with advanced adenomas, 39 patients with non-advanced adenomas, 18 colitis patients and 130 normal individuals) from the China-Japan Friendship Hospital were evaluated. Approximately 2.5 g of stool sample was collected from each participant. Stool DNA was extracted and bisulfite-converted, followed by qPCR assay, which contained two pairs of primers for the methylation detection of two fragments of the SDC2 gene (named SDC2-A and SDC2-B). The diagnostic value of this test in CRC was evaluated by calculating receiver operating characteristic (ROC) curve, and value of the area under the curve (AUC). Results The test kit was able to detect methylated SDC2 in stool DNA samples with concentrations as low as 90 copies/μL in 100% of replicates. The sensitivity for detecting CRC by methylated SDC2-A alone was 85.29% (95% CI 77.03–91.00%) with a specificity of 96.15% (95% CI 91.08–98.58%). The sensitivity by methylated SDC2-B alone was 83.33% (95% CI 74.82–89.42%) with a specificity of 97.69% (95% CI 93.14–99.51%). However, when methylated SDC2-A and methylated SDC2-B were combined, the sensitivity for CRC detection improved to 87.25% (95% CI 79.27–92.53%) with a specificity of 94.62% (95% CI 89.11–97.56%). Further, the detection reagent achieved ROC-AUC 0.874 (95% CI 0.822–0.927) for SDC2-A, 0.906 (95% CI 0.859–0.952) for SDC2-B, and 0.939 (95% CI 0.902–0.977) for SDC2-Combine A&B. Conclusions This study validated the capability of stool DNA-based SDC2 methylation test for early screening of CRC, and combined detection of two fragments of SDC2 gene could improve detection sensitivity. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-022-02264-3.
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18
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Pemov A, Kim J, Jones K, Vogt A, Sadetzki S, Stewart DR. Examination of Genetic Susceptibility in Radiation-Associated Meningioma. Radiat Res 2022; 198:81-88. [DOI: 10.1667/rade-21-00035.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 03/28/2022] [Indexed: 11/03/2022]
Abstract
Previous epidemiological studies have demonstrated elevated susceptibility to ionizing radiation in some families, thus suggesting the presence of genetic components that conferred increased rate of radiation-associated meningioma (RAM). In this study, we exome-sequenced and investigated the segregation pattern of rare deleterious variants in 11 RAM pedigrees. In addition, we performed a rare-variant association analysis in 92 unrelated familial cases of RAM that were ancestry-matched with 88 meningioma-free controls. In the pedigree analysis, we found that each family carried mostly a unique set of rare deleterious variants. A follow-up pathway analysis of the union of the genes that segregated within each of the 11 pedigrees identified a single statistically significant (q value = 7.90E-04) “ECM receptor interaction” set. In the case-control association analysis, we observed no statistically significant variants or genes after multiple testing correction; however, examination of ontological categories of the genes that associated with RAM at nominal P values <0.01 identified biologically relevant pathways such as DNA repair, cell cycle and apoptosis. These results suggest that it is unlikely that a small number of highly penetrant genes are involved in the pathogenesis of RAM. Substantially larger studies are needed to identify genetic risk variants and genes in RAM.
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Affiliation(s)
- A. Pemov
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, Maryland
| | - J. Kim
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, Maryland
| | - K. Jones
- Frederick National Laboratory for Cancer Research, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, Maryland
| | - A. Vogt
- Frederick National Laboratory for Cancer Research, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, Maryland
| | - S. Sadetzki
- Sackler School of Medicine, Tel-Aviv University, Israel
| | - D. R. Stewart
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, Maryland
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19
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Yang SN, Zhong LY, Sun YH, Wang C, Ru WJ, Liu RZ, Dai W, Xie XM, Li SD. Downregulation of lncRNA SNHG16 inhibits vascular smooth muscle cell proliferation and migration in cerebral atherosclerosis by targeting the miR-30c-5p/SDC2 axis. Heart Vessels 2022; 37:1085-1096. [PMID: 35320391 DOI: 10.1007/s00380-022-02049-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 02/25/2022] [Indexed: 01/27/2023]
Abstract
Atherosclerosis (AS) is the basic lesion underlying the occurrence and development of cerebrovascular diseases. Abnormal proliferation of vascular smooth muscle cells (VSMCs) plays a crucial role in AS. We aimed to explore the role of SNHG16 in AS and the molecular mechanism of VSMC involvement in the regulation of AS. The expression levels of SNHG16, miR-30c-5p and SDC2 were detected by qRT-PCR. CCK-8, wound healing and Transwell assays were used to assess ox-LDL-induced VSMC proliferation, migration, and invasion, respectively. Western blot analysis was used to detect SDC2 and MEK/ERK pathway-related protein levels. A dual-luciferase reporter assay confirmed the binding of SNHG16 with miR-30c-5p and miR-30c-5p with SDC2. SNHG16 and SDC2 expression was upregulated in patients with AS and ox-LDL-induced VSMCs, while miR-30c-5p was downregulated. Ox-LDL-induced VSMC proliferation and migration were increased, and the MEK/ERK signalling pathway was activated. MiR-30c-5p was targeted to SNHG16 and SDC2. Downregulating SNHG16 or upregulating miR-30c-5p inhibited ox-LDL-induced VSMC proliferation and migration and inhibited MEK/ERK signalling pathway activation. In contrast, downregulating miR-30c-5p or upregulating SDC2 reversed the effects of downregulating SNHG16 or upregulating miR-30c-5p. Furthermore, downregulating SDC2 inhibited ox-LDL-induced proliferation and migration of VSMCs and inhibited activation of the MEK/ERK signalling pathway, while upregulating lncRNA SNHG16 reversed the effects of downregulating SDC2. Downregulation of SNHG16 inhibited VSMC proliferation and migration in AS by targeting the miR-30c-5p/SDC2 axis. This study provides a possible therapeutic approach to AS.
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Affiliation(s)
- Sheng-Nan Yang
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Li-Ying Zhong
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Ye-Hai Sun
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Cong Wang
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Wen-Juan Ru
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Run-Zhi Liu
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Wei Dai
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China
| | - Xiu-Mei Xie
- Division of Cardiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan Province, China
| | - Shun-Dong Li
- The Departement of Geriatrics, The Third Hospital of Changsha, No. 176 West Labor Road, Changsha, 410000, Hunan Province, China.
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20
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Müller D, Győrffy B. DNA methylation-based diagnostic, prognostic, and predictive biomarkers in colorectal cancer. Biochim Biophys Acta Rev Cancer 2022; 1877:188722. [PMID: 35307512 DOI: 10.1016/j.bbcan.2022.188722] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/21/2022] [Accepted: 03/13/2022] [Indexed: 12/12/2022]
Abstract
DNA methylation is an epigenetic mechanism regulating gene expression. Changes in DNA methylation were suggested to be useful biomarkers for diagnosis, and for the determination of prognosis and treatment response. Here, we provide an overview of methylation-based biomarkers in colorectal cancer. First, we start with the two methylation-based diagnostic biomarkers already approved for colorectal cancer, SEPT9 and the combination of NDRG4 and BMP3. Then, we provide a list-based overview of new biomarker candidates depending on the sample source including plasma, stool, urine, and surgically removed tumor tissues. The most often identified markers like SDC2, VIM, APC, MGMT, SFRP1, SFRP2, and NDRG4 have distinct functions previously linked to tumor progression. Although numerous studies have identified tumor-specific methylation changes, most of these alterations were observed in a single study only. The lack of validation in independent samples means low reproducibility and is a major limitation. The genome-wide determination of methylation status (methylome) can provide data to solve these issues. In the third section of the review, methylome studies focusing on different aspects related to CRC, including precancerous lesions, CRC-specific changes, molecular subtypes, aging, and chemotherapy response are summarized. Notably, techniques simultaneously analyzing a large set of regions can also uncover epigenetic regulation of genes which have not yet been associated with tumorigenesis previously. A remaining constraint of studies published to date is the low patient number utilized in these preventing the identification of clinically valuable biomarker candidates. Either future large-scale studies or the integration of already available methylome-level data will be necessary to uncover biomarkers sufficiently robust for clinical application.
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Affiliation(s)
- Dalma Müller
- Dept. of Bioinformatics, Semmelweis University, Budapest, Hungary; Cancer Biomarker Research Group, RCNS, Budapest, Hungary
| | - Balázs Győrffy
- Dept. of Bioinformatics, Semmelweis University, Budapest, Hungary; Cancer Biomarker Research Group, RCNS, Budapest, Hungary.
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Zhang Z, Peng Y, Dang J, Liu X, Zhu D, Zhang Y, Shi Y, Fan H. Identification of key biomarkers related to epithelial-mesenchymal transition and immune infiltration in ameloblastoma using integrated bioinformatics analysis. Oral Dis 2022; 29:1657-1667. [PMID: 35226761 DOI: 10.1111/odi.14173] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/04/2022] [Accepted: 02/19/2022] [Indexed: 01/05/2023]
Abstract
OBJECTIVE This study aimed to elucidate the underlying mechanisms of ameloblastoma (AM) through integrated bioinformatics analysis. METHODS We downloaded two microarrays of AMs from the GEO database and identified differentially expressed genes (DEGs) by integrated bioinformatics analysis. The enrichment analysis of DEGs was conducted to characterize GO and KEGG pathways. Protein-protein interaction (PPI) network and hub genes were screened via STRING and Cytoscape. CIBERSORT algorithm was utilized to analyze immune infiltration in AMs. We also verified the diagnostic and therapeutic value of hub genes. RESULTS Overall, 776 DEGs were identified in AMs through bioinformatics analysis. The function enrichment analysis shed light on pathways involved in AMs. Subsequently, we screened six hub genes via PPI network. Furthermore, we evaluated immune infiltration in AMs and found that macrophages may be participating in the progression of AMs. The upregulated expression of FN1 was related to the macrophages M2 polarization. Finally, ROC analysis indicated that six hub genes had high diagnostic value for AMs and 11 drugs interacted with upregulated hub genes were identified by screening the DGIdb database. CONCLUSION This study revealed the underlying mechanisms of pathogenesis and biological behavior of AMs and provided candidate targets for the diagnosis and treatment of AMs.
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Affiliation(s)
- Zhao Zhang
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
| | - Ye Peng
- Department of Orthopaedics, Air Force Medical Center, PLA, Beijing, China
| | - Jingyi Dang
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
| | - Xincheng Liu
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
| | - Dongze Zhu
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
| | - Yushen Zhang
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
| | - Yubo Shi
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
| | - Hongbin Fan
- Division of Musculoskeletal Cancer Service, Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Shaanxi, China
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Prognostic Bone Metastasis-Associated Immune-Related Genes Regulated by Transcription Factors in Mesothelioma. BIOMED RESEARCH INTERNATIONAL 2022; 2022:9940566. [PMID: 35127947 PMCID: PMC8813231 DOI: 10.1155/2022/9940566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 09/30/2021] [Accepted: 11/30/2021] [Indexed: 11/17/2022]
Abstract
Mesothelioma (MESO) is a mesothelial originate neoplasm with high morbidity and mortality. Despite advancement in technology, early diagnosis still lacks effectivity and is full of pitfalls. Approaches of cancer diagnosis and therapy utilizing immune biomarkers and transcription factors (TFs) have attracted more and more attention. But the molecular mechanism of these features in MESO bone metastasis has not been thoroughly studied. Utilizing high-throughput genome sequencing data and lists of specific gene subsets, we performed several data mining algorithm. Single-sample Gene Set Enrichment Analysis (ssGSEA) was applied to identify downstream immune cells. Potential pathways involved in MESO bone metastasis were identified using Gene Oncology (GO) analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, Gene Set Variation Analysis (GSVA), Gene Set Enrichment Analysis (GSEA), and Cox regression analysis. Ultimately, a model to help early diagnosis and to predict prognosis was constructed based on differentially expressed immune-related genes between bone metastatic and nonmetastatic MESO groups. In conclusion, immune-related gene SDC2, regulated by TFs TCF7L1 and POLR3D, had an important role on immune cell function and infiltration, providing novel biomarkers and therapeutic targets for metastatic MESO.
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Effect of Ulinastatin on Syndecan-2-Mediated Vascular Damage in IDH2-Deficient Endothelial Cells. Biomedicines 2022; 10:biomedicines10010187. [PMID: 35052866 PMCID: PMC8774120 DOI: 10.3390/biomedicines10010187] [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: 12/29/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 12/07/2022] Open
Abstract
Syndecan-2 (SDC2), a cell-surface heparin sulfate proteoglycan of the glycocalyx, is mainly expressed in endothelial cells. Although oxidative stress and inflammatory mediators have been shown to mediate dysfunction of the glycocalyx, little is known about their role in vascular endothelial cells. In this study, we aimed to identify the mechanism that regulates SDC2 expression in isocitrate dehydrogenase 2 (IDH2)-deficient endothelial cells, and to investigate the effect of ulinastatin (UTI) on this mechanism. We showed that knockdown of IDH2 induced SDC2 expression in human umbilical vein endothelial cells (HUVECs). Matrix metalloproteinase 7 (MMP7) influences SDC2 expression. When IDH2 was downregulated, MMP7 expression was increased, as was TGF-β signaling, which regulates MMP7. Inhibition of MMP7 activity using MMP inhibitor II significantly reduced SDC2, suggesting that IDH2 mediated SDC2 expression via MMP7. Moreover, expression of SDC2 and MMP7, as well as TGF-β signaling, increased in response to IDH2 deficiency, and treatment with UTI reversed this increase. Similarly, the increase in SDC2, MMP7, and TGF-β signaling in the aorta of IDH2 knockout mice was reversed by UTI treatment. These findings suggest that IDH2 deficiency induces SDC2 expression via TGF-β and MMP7 signaling in endothelial cells.
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Hua R, Zhang Y, Yan X, Tang D, Li X, Ni Q, Wang D, Zhu J. Syndecan-2, negatively regulated by miR-20b-5p, contributes to 5-fluorouracil resistance of colorectal cancer cells via the JNK/ERK signaling pathway. Acta Biochim Biophys Sin (Shanghai) 2021; 53:1547-1557. [PMID: 34596215 DOI: 10.1093/abbs/gmab124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Indexed: 02/07/2023] Open
Abstract
5-Fluorouracil (5-FU) resistance has been long considered as an obstacle to the efficacy of chemotherapy in colorectal cancer (CRC). In this study, we demonstrated the role of miR-20b-5p-regulated syndecan-2 (SDC2) in 5-FU resistance of CRC cells. 5-FU-resistant SW480 CRC cells were established by treatment of SW480 cells with stepwise increase of 5-FU concentration. The results showed that SDC2 was expressed significantly higher in SW480/5-FU cells than in SW480/WT cells as revealed by quantitative real-time polymerase chain reaction and western blot analysis. MTT assay and BrdU assay showed that SDC2 overexpression led to increased cell survival rate, while SDC2 knockdown reversed the drug resistance of SW480/5-FU cells. Wound healing and transwell invasion assays revealed that knockdown of SDC2 inhibited the migratory and invasive ability of SW480/5-FU cells. Moreover, animal experiments indicated that si-SDC2 plays a suppressive role in tumor growth in vivo. We also confirmed that miR-20b-5p interacted with SDC2, which reversed the effect of SDC2 in SW480/5-FU cells via the c-Jun N-terminal kinase (JNK)/extracellular regulated protein kinases (ERK) signaling pathway. These findings showed that JNK/ERK signaling pathway is involved in miR-20b-5p/SDC2 axis-mediated 5-FU resistance in SW480/5-FU cells, indicating that the miR-20b-5p/SDC2 axis is a potential target for reversing 5-FU resistance in CRC.
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Affiliation(s)
- Ruheng Hua
- Department of Gastrointestinal Surgery, Affiliated Hospital of Nantong University, Nantong 226021, China
- Department of General Surgery, Northern Jiangsu People's Hospital, Clinical Medical College, Yangzhou University, Yangzhou 225001, China
| | - Yan Zhang
- Department of Chemotherapy, Affiliated Hospital of Nantong University, Nantong 226021, China
| | - Xiyue Yan
- Department of Hematology, Northern Jiangsu People's Hospital, Yangzhou 225001, China
| | - Dong Tang
- Department of General Surgery, Northern Jiangsu People's Hospital, Clinical Medical College, Yangzhou University, Yangzhou 225001, China
| | - Xiaolong Li
- Department of Gastrointestinal Surgery, Affiliated Hospital of Nantong University, Nantong 226021, China
| | - Qingfeng Ni
- Department of Gastrointestinal Surgery, Affiliated Hospital of Nantong University, Nantong 226021, China
| | - Daorong Wang
- Department of General Surgery, Northern Jiangsu People's Hospital, Clinical Medical College, Yangzhou University, Yangzhou 225001, China
| | - Jianwei Zhu
- Department of Gastrointestinal Surgery, Affiliated Hospital of Nantong University, Nantong 226021, China
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Giatagana EM, Berdiaki A, Tsatsakis A, Tzanakakis GN, Nikitovic D. Lumican in Carcinogenesis-Revisited. Biomolecules 2021; 11:biom11091319. [PMID: 34572532 PMCID: PMC8466546 DOI: 10.3390/biom11091319] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/03/2021] [Accepted: 09/04/2021] [Indexed: 02/07/2023] Open
Abstract
Carcinogenesis is a multifactorial process with the input and interactions of environmental, genetic, and metabolic factors. During cancer development, a significant remodeling of the extracellular matrix (ECM) is evident. Proteoglycans (PGs), such as lumican, are glycosylated proteins that participate in the formation of the ECM and are established biological mediators. Notably, lumican is involved in cellular processes associated with tumorigeneses, such as EMT (epithelial-to-mesenchymal transition), cellular proliferation, migration, invasion, and adhesion. Furthermore, lumican is expressed in various cancer tissues and is reported to have a positive or negative correlation with tumor progression. This review focuses on significant advances achieved regardingthe role of lumican in the tumor biology. Here, the effects of lumican on cancer cell growth, invasion, motility, and metastasis are discussed, as well as the repercussions on autophagy and apoptosis. Finally, in light of the available data, novel roles for lumican as a cancer prognosis marker, chemoresistance regulator, and cancer therapy target are proposed.
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Affiliation(s)
- Eirini-Maria Giatagana
- Laboratory of Histology-Embryology, Department of Morphology, School of Medicine, University of Crete, 71003 Heraklion, Greece; (E.-M.G.); (A.B.); (G.N.T.)
| | - Aikaterini Berdiaki
- Laboratory of Histology-Embryology, Department of Morphology, School of Medicine, University of Crete, 71003 Heraklion, Greece; (E.-M.G.); (A.B.); (G.N.T.)
| | - Aristidis Tsatsakis
- Laboratory of Toxicology, Department of Morphology, School of Medicine, University of Crete, 71003 Heraklion, Greece;
| | - George N. Tzanakakis
- Laboratory of Histology-Embryology, Department of Morphology, School of Medicine, University of Crete, 71003 Heraklion, Greece; (E.-M.G.); (A.B.); (G.N.T.)
| | - Dragana Nikitovic
- Laboratory of Histology-Embryology, Department of Morphology, School of Medicine, University of Crete, 71003 Heraklion, Greece; (E.-M.G.); (A.B.); (G.N.T.)
- Correspondence: ; Tel.: +30-281-039-4557
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Zhang W, Yang C, Wang S, Xiang Z, Dou R, Lin Z, Zheng J, Xiong B. SDC2 and TFPI2 Methylation in Stool Samples as an Integrated Biomarker for Early Detection of Colorectal Cancer. Cancer Manag Res 2021; 13:3601-3617. [PMID: 33958894 PMCID: PMC8096344 DOI: 10.2147/cmar.s300861] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/07/2021] [Indexed: 12/24/2022] Open
Abstract
Background Detection of aberrant methylated DNA in the stool is an effective early screening method for colorectal cancer (CRC). Previously, reporters identified that syndecan-2 (SDC2) and tissue factor pathway inhibitor 2 (TFPI2) were aberrantly methylated in most CRC tissues. However, the combined diagnostic role of them remains undefined. Our research aimed at probing the role and efficiency of the methylation status of SDC2 and TFPI2 in CRC early screening by using bioinformatics analysis and clinical stool sample validation. Methods The promoter and CpG site methylation levels of SDC2 and TFPI2 and their correlation with clinicopathological characteristics of CRC were analyzed using UALCAN, Methsurv, and Wanderer. UCSC Xena was used to perform survival analyses. LinkedOmics was used to do functional network analysis. DNA was isolated and purified from stool, and quantitative methylation-specific PCR (qMSP) was applied to detect methylatedSDC2 and TFPI2. Results The results showed that promoter and most CpG site methylation levels of SDC2 and TFPI2 were significantly higher in CRC than in normal tissues. Moreover, SDC2 and TFPI2 methylation showed a positive correlation. Functional network analysis suggested that both methylated SDC2 and TFPI2 were involved in tumor cells’ metabolic programs. Besides, there was a higher positive integrated detection rate in CRC (n=61) with a sensitivity of 93.4% and in adenoma (Ade) (n=16) with a sensitivity of 81.3% than normal with a specificity of 94.3% in stool samples. What is more, integration of methylated SDC2 and TFPI2 showed a higher sensitivity and Youden index than a single gene in detecting Adeor CRC. Conclusion Our data indicate that SDC2 and TFPI2 were hypermethylated in CRC, and integrated detection of methylated SDC2 and TFPI2 in stool has the potential to be an effective and noninvasive tool of CRC early screening.
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Affiliation(s)
- Weisong Zhang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Chaogang Yang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Shuyi Wang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Zhenxian Xiang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Rongzhang Dou
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Zaihuan Lin
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Jinsen Zheng
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
| | - Bin Xiong
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors & Hubei Cancer Clinical Study Center, Wuhan, 430071, People's Republic of China
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Identification of an immune-related signature indicating the dedifferentiation of thyroid cells. Cancer Cell Int 2021; 21:231. [PMID: 33892730 PMCID: PMC8067302 DOI: 10.1186/s12935-021-01939-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 04/15/2021] [Indexed: 12/17/2022] Open
Abstract
Background Immune cells account for a large proportion of the tumour microenvironment in anaplastic thyroid carcinomas (ATCs). However, the expression pattern of immune-related genes (IRGs) in ATCs is unclear. Our study aimed to identify an immune-related signature indicating the dedifferentiation of thyroid cells. Methods We compared the differences in thyroid differentiation score (TDS), infiltration of immune cells and enriched pathways between ATCs and papillary thyroid carcinomas (PTCs) or normal thyroid tissues in the Gene Expression Omnibus database. Univariate and multivariable Cox analyses were used to screen prognosis-associated IRGs in The Cancer Genome Atlas database. After constructing a risk score, we investigated its predictive value for differentiation and survival by applying receiver operating characteristic and Kaplan–Meier curves. We further explored its associations with important immune checkpoint molecules, infiltrating immune cells and response to immunotherapy. Results Compared with PTCs or normal thyroid tissues, ATCs exhibited lower TDS values and higher enrichment of immune cells and activation of the inflammatory response. The quantitative analyses and immunohistochemical staining validated that most ATC cell lines and ATC tissues had higher expression of MMP9 and lower expression of SDC2 than normal thyroid samples and PTC. Higher risk scores indicates dedifferentiation and a worse prognosis. Additionally, the risk score was positively correlated with the immune checkpoint molecules PDL1, CTLA4, IDO1, and HAVCR2 and infiltration of multiple immune cells. Importantly, we found that the samples with higher risk scores tended to have a better response to immunotherapy than those with lower scores. Conclusion Our findings indicate that the risk score may not only contribute to the determination of differentiation and prognosis of thyroid carcinomas but also help the prediction of immune cells infiltration and immunotherapy response. Supplementary Information The online version contains supplementary material available at 10.1186/s12935-021-01939-3.
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Jiang X, Qin Y, Kun L, Zhou Y. The Significant Role of the Microfilament System in Tumors. Front Oncol 2021; 11:620390. [PMID: 33816252 PMCID: PMC8010179 DOI: 10.3389/fonc.2021.620390] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 01/26/2021] [Indexed: 12/11/2022] Open
Abstract
Actin is the structural protein of microfilaments, and it usually exists in two forms: monomer and polymer. Among them, monomer actin is a spherical molecule composed of a polypeptide chain, also known as spherical actin. The function of actin polymers is to produce actin filaments, so it is also called fibroactin. The actin cytoskeleton is considered to be an important subcellular filament system. It interacts with numerous relevant proteins and regulatory cells, regulating basic functions, from cell division and muscle contraction to cell movement and ensuring tissue integrity. The dynamic reorganization of the actin cytoskeleton has immense influence on the progression and metastasis of cancer as well. This paper explores the significance of the microfilament network, the dynamic changes of its structure and function in the presence of a tumor, the formation process around the actin system, and the relevant proteins that may be target molecules for anticancer drugs so as to provide support and reference for interlinked cancer treatment research in the future.
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Affiliation(s)
- Xin Jiang
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
| | - Yiming Qin
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
| | - Liu Kun
- Department of Neurosurgery, Brain Hospital of Hunan Province, Clinical Medical School, Hunan University of Chinese Medicine, Changsha, China
| | - Yanhong Zhou
- NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Basic School of Medicine, Central South University, Changsha, China
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Faria-Ramos I, Poças J, Marques C, Santos-Antunes J, Macedo G, Reis CA, Magalhães A. Heparan Sulfate Glycosaminoglycans: (Un)Expected Allies in Cancer Clinical Management. Biomolecules 2021; 11:136. [PMID: 33494442 PMCID: PMC7911160 DOI: 10.3390/biom11020136] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 12/12/2022] Open
Abstract
In an era when cancer glycobiology research is exponentially growing, we are witnessing a progressive translation of the major scientific findings to the clinical practice with the overarching aim of improving cancer patients' management. Many mechanistic cell biology studies have demonstrated that heparan sulfate (HS) glycosaminoglycans are key molecules responsible for several molecular and biochemical processes, impacting extracellular matrix properties and cellular functions. HS can interact with a myriad of different ligands, and therefore, hold a pleiotropic role in regulating the activity of important cellular receptors and downstream signalling pathways. The aberrant expression of HS glycan chains in tumours determines main malignant features, such as cancer cell proliferation, angiogenesis, invasion and metastasis. In this review, we devote particular attention to HS biological activities, its expression profile and modulation in cancer. Moreover, we highlight HS clinical potential to improve both diagnosis and prognosis of cancer, either as HS-based biomarkers or as therapeutic targets.
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Affiliation(s)
- Isabel Faria-Ramos
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
| | - Juliana Poças
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Molecular Biology Department, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Catarina Marques
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Molecular Biology Department, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - João Santos-Antunes
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Pathology Department, Faculdade de Medicina, University of Porto, 4200-319 Porto, Portugal;
- Gastroenterology Department, Centro Hospitalar S. João, 4200-319 Porto, Portugal
| | - Guilherme Macedo
- Pathology Department, Faculdade de Medicina, University of Porto, 4200-319 Porto, Portugal;
- Gastroenterology Department, Centro Hospitalar S. João, 4200-319 Porto, Portugal
| | - Celso A. Reis
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Molecular Biology Department, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
- Pathology Department, Faculdade de Medicina, University of Porto, 4200-319 Porto, Portugal;
| | - Ana Magalhães
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
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Barkovskaya A, Buffone A, Žídek M, Weaver VM. Proteoglycans as Mediators of Cancer Tissue Mechanics. Front Cell Dev Biol 2020; 8:569377. [PMID: 33330449 PMCID: PMC7734320 DOI: 10.3389/fcell.2020.569377] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 11/04/2020] [Indexed: 12/16/2022] Open
Abstract
Proteoglycans are a diverse group of molecules which are characterized by a central protein backbone that is decorated with a variety of linear sulfated glycosaminoglycan side chains. Proteoglycans contribute significantly to the biochemical and mechanical properties of the interstitial extracellular matrix where they modulate cellular behavior by engaging transmembrane receptors. Proteoglycans also comprise a major component of the cellular glycocalyx to influence transmembrane receptor structure/function and mechanosignaling. Through their ability to initiate biochemical and mechanosignaling in cells, proteoglycans elicit profound effects on proliferation, adhesion and migration. Pathologies including cancer and cardiovascular disease are characterized by perturbed expression of proteoglycans where they compromise cell and tissue behavior by stiffening the extracellular matrix and increasing the bulkiness of the glycocalyx. Increasing evidence indicates that a bulky glycocalyx and proteoglycan-enriched extracellular matrix promote malignant transformation, increase cancer aggression and alter anti-tumor therapy response. In this review, we focus on the contribution of proteoglycans to mechanobiology in the context of normal and transformed tissues. We discuss the significance of proteoglycans for therapy response, and the current experimental strategies that target proteoglycans to sensitize cancer cells to treatment.
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Affiliation(s)
- Anna Barkovskaya
- Center for Bioengineering & Tissue Regeneration, Department of Surgery, University of California, San Francisco, San Francisco, CA, United States
| | - Alexander Buffone
- Center for Bioengineering & Tissue Regeneration, Department of Surgery, University of California, San Francisco, San Francisco, CA, United States
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Martin Žídek
- Center for Bioengineering & Tissue Regeneration, Department of Surgery, University of California, San Francisco, San Francisco, CA, United States
| | - Valerie M. Weaver
- Center for Bioengineering & Tissue Regeneration, Department of Surgery, University of California, San Francisco, San Francisco, CA, United States
- Department of Radiation Oncology, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, United States
- Department of Bioengineering, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, United States
- Department of Therapeutic Sciences, Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, United States
- UCSF Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, United States
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Onyeisi JOS, Pernambuco Filho PCDA, Mesquita APDS, Azevedo LCD, Nader HB, Lopes CC. Effects of syndecan-4 gene silencing by micro RNA interference in anoikis resistant endothelial cells: Syndecan-4 silencing and anoikis resistance. Int J Biochem Cell Biol 2020; 128:105848. [PMID: 32927086 DOI: 10.1016/j.biocel.2020.105848] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/31/2020] [Accepted: 09/07/2020] [Indexed: 12/12/2022]
Abstract
The cell's resistance to cell death by adhesion loss to extracellular matrix (anoikis), contributes to tumor progression and metastasis. Various adhesion molecules are involved in the anoikis resistance, including the syndecan-4 (SDC4), a heparan sulfate proteoglycan (HSPG) present on the cell surface. Changes in the expression of SDC4 have been observed in tumor and transformed cells, indicating its involvement in cancer. In previous works, we demonstrated that acquisition of anoikis resistance resistance by blocking adhesion to the substrate up-regulates syndecan-4 expression in endothelial cells. This study investigates the role of SDC4 in the transformed phenotype of anoikis resistant endothelial cells. Anoikis-resistant endothelial cells (Adh1-EC) were transfected with micro RNA interference (miR RNAi) targeted against syndecan-4. The effect of SDC4 silencing was analyzed by real-time PCR, western blotting and immunofluorescence. Transfection with miRNA-SDC4 resulted in a sequence-specific decrease in syndecan-4 mRNA and protein levels. Furthermore, we observed a reduction in the number of heparan and chondroitin sulfate chains in the cell extract and culture medium. The SDC4 silencing led to downregulation of proliferative and invasive capacity and angiogenic abilities of anoikis-resistant endothelial cells. Compared with the parental cells (Adh1-EC), SDC4 silenced cells (SDC4 miR-Syn-4-1-Adh1-EC e miR-Syn-4-2-Adh1-EC) exhibited an increase in adhesion to collagen and laminin and also in the apoptosis rate. Moreover, transfection with miRNA-SDC4 caused a decrease in the number of cells in the S phase of the cell cycle. This is accompanied by an increase in the heparan sulfate synthesis after 12 h of simulation with fetal calf serum (FCS). SDC4 silencing cells are more dependent of growth factors present in the FCS to synthesize heparan sulfate than parental cells. Similar data were obtained for the wild-type cell line (EC). Our results indicated that downregulation of SDC4 expression reverses the transformed phenotype of anoikis resistant endothelial cells. These and other findings suggest that syndecan-4 is suitable for pharmacological intervention, making it an attractive target for cancer therapy.
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Affiliation(s)
- Jessica Oyie Sousa Onyeisi
- Disciplina de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | | | - Ana Paula de Sousa Mesquita
- Disciplina de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Luis Cesar de Azevedo
- Centro de Matemática, Computação e Cognição, Universidade Federal do ABC, Santo André, SP, Brazil
| | - Helena Bonciani Nader
- Disciplina de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Carla Cristina Lopes
- Disciplina de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de São Paulo, São Paulo, SP, Brazil; Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo, Diadema, SP, Brazil.
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Heparan Sulfate Proteoglycan Signaling in Tumor Microenvironment. Int J Mol Sci 2020; 21:ijms21186588. [PMID: 32916872 PMCID: PMC7554799 DOI: 10.3390/ijms21186588] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 12/18/2022] Open
Abstract
In the last few decades, heparan sulfate (HS) proteoglycans (HSPGs) have been an intriguing subject of study for their complex structural characteristics, their finely regulated biosynthetic machinery, and the wide range of functions they perform in living organisms from development to adulthood. From these studies, key roles of HSPGs in tumor initiation and progression have emerged, so that they are currently being explored as potential biomarkers and therapeutic targets for cancers. The multifaceted nature of HSPG structure/activity translates in their capacity to act either as inhibitors or promoters of tumor growth and invasion depending on the tumor type. Deregulation of HSPGs resulting in malignancy may be due to either their abnormal expression levels or changes in their structure and functions as a result of the altered activity of their biosynthetic or remodeling enzymes. Indeed, in the tumor microenvironment, HSPGs undergo structural alterations, through the shedding of proteoglycan ectodomain from the cell surface or the fragmentation and/or desulfation of HS chains, affecting HSPG function with significant impact on the molecular interactions between cancer cells and their microenvironment, and tumor cell behavior. Here, we overview the structural and functional features of HSPGs and their signaling in the tumor environment which contributes to tumorigenesis and cancer progression.
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Proteoglycans in the Pathogenesis of Hormone-Dependent Cancers: Mediators and Effectors. Cancers (Basel) 2020; 12:cancers12092401. [PMID: 32847060 PMCID: PMC7563227 DOI: 10.3390/cancers12092401] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/16/2020] [Accepted: 08/18/2020] [Indexed: 12/21/2022] Open
Abstract
Hormone-dependent cancers exhibit high morbidity and mortality. In spite of advances in therapy, the treatment of hormone-dependent cancers remains an unmet health need. The tumor microenvironment (TME) exhibits unique characteristics that differ among various tumor types. It is composed of cancerous, non-cancerous, stromal, and immune cells that are surrounded and supported by components of the extracellular matrix (ECM). Therefore, the interactions among cancer cells, stromal cells, and components of the ECM determine cancer progression and response to therapy. Proteoglycans (PGs), hybrid molecules consisting of a protein core to which sulfated glycosaminoglycan chains are bound, are significant components of the ECM that are implicated in all phases of tumorigenesis. These molecules, secreted by both the stroma and cancer cells, are crucial signaling mediators that modulate the vital cellular pathways implicated in gene expression, phenotypic versatility, and response to therapy in specific tumor types. A plethora of deregulated signaling pathways contributes to the growth, dissemination, and angiogenesis of hormone-dependent cancers. Specific inputs from the endocrine and immune systems are some of the characteristics of hormone-dependent cancer pathogenesis. Importantly, the mechanisms involved in various aspects of cancer progression are executed in the ECM niche of the TME, and the PG components crucially mediate these processes. Here, we comprehensively discuss the mechanisms through which PGs affect the multifaceted aspects of hormone-dependent cancer development and progression, including cancer metastasis, angiogenesis, immunobiology, autophagy, and response to therapy.
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Liyanage DS, Omeka WKM, Tharuka MDN, Jung S, Lee S, Lee J. Molecular insights and immune responses of big belly seahorse syndecan-2 (CD362): Involvement of ectodomain in regulating cell survival, proliferation, and wound healing. FISH & SHELLFISH IMMUNOLOGY 2020; 98:457-465. [PMID: 31982583 DOI: 10.1016/j.fsi.2020.01.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 01/21/2020] [Accepted: 01/23/2020] [Indexed: 06/10/2023]
Abstract
Syndecan-2, also known as CD362, is a transmembrane heparan sulfate proteoglycan which regulates cell growth, proliferation, cell adhesion, wound healing, and recruits immune cells. In the present study, we performed bioinformatics, spatial and temporal expression analyses of Hippocampus abdominalis syndecan-2 (HaSDC-2). Additionally, functional assays were conducted. HaSDC-2 has five major domains; an extracellular heparan sulfate attachment domain, a co-receptor binding domain, a transmembrane domain, two conserved domains (C1 domain, C2 domain), and a variable (V) domain. The ectodomain contained a signal peptide and GAG attachment sites. In-silico analysis revealed that HaSDC-2 contained a 798 bp long ORF and protein sequence of 265 amino acid residues. Further analysis of the amino acid sequence predicted a 28.9 kDa molecular weight and a 4.13 theoretical isoelectric point. The spatial expression of HaSDC-2 was ubiquitous in all tested tissues. HaSDC-2 expression in the liver was upregulated 24 h post-injection in response to all stimuli. Further, HaSDC-2 expression in blood cells was upregulated at 12 and 72 h post-injection in response to all the stimuli. HaSDC-2 + pcDNA™3.1(+) transfected cells exhibited significant survival in response to cell stressors such as H2O2 and HED. The ectodomain of recombinant HaSDC-2 treated cells showed significant cell proliferation in a concentration-dependent manner. The scratch wound healing assay showed significant Δ gap closures with increasing concentrations of HaSDC-2. Collectively, these results indicated that syndecan-2 was involved in regulating immune responses and cell stress conditions.
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Affiliation(s)
- D S Liyanage
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - W K M Omeka
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - M D Neranjan Tharuka
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Sumi Jung
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Sukkyoung Lee
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Jehee Lee
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea.
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Hua R, Yu J, Yan X, Ni Q, Zhi X, Li X, Jiang B, Zhu J. Syndecan-2 in colorectal cancer plays oncogenic role via epithelial-mesenchymal transition and MAPK pathway. Biomed Pharmacother 2019; 121:109630. [PMID: 31707342 DOI: 10.1016/j.biopha.2019.109630] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 11/01/2019] [Accepted: 11/01/2019] [Indexed: 12/21/2022] Open
Abstract
PURPOSE In this study, we aimed to elucidate the biological roles of Syndecan-2 (SDC2) in colorectal cancer (CRC), thereby further understanding its clinical role. METHODS The expression of SDC2 was assessed by qRT-PCR and Western blot analysis. To understand the potential biological role of SDC2, we also explored the correlation between its expression level and clinicopathologic parameters. By using MTT, plate colony formation assay, Transwell invasion assays, and flow cytometry in vitro, the biological impact of SDC2 on CRC cell proliferation, migration, invasion, and apoptosis. In addition, the related signaling pathways were investigated. RESULTS SDC2 expression was significantly upregulated in CRC tissues. The expression of SDC2 was highly associated with four parameters, i.e., stage (P < 0.01), vascular invasion (P = 0.0045), lymph node metastasis (P=0.0018), and distant metastasis (P = 0.0019). Knockdown of SDC2 significantly reduced proliferation, migration, and invasion of HCT116 and SW480 cells, and induced cell apoptosis. Moreover, SDC2 promoted epithelial-mesenchymal transition (EMT) in CRC cells, whereas the ratio of p-MEK/MEK and p-ERK/ERK markedly reduced after depleting SDC2. CONCLUSION During CRC development, overexpression of SDC2 plays a carcinogenic role in CRC. Therapeutic solutions targeting SDC2 may provide potential insights into CRC prevention and treatment.
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Affiliation(s)
- Ruheng Hua
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China
| | - Jiawei Yu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China
| | - Xiyue Yan
- Department of Hematology, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China
| | - Qingfeng Ni
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China
| | - Xiaofei Zhi
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China
| | - Xiaolong Li
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China
| | - Bin Jiang
- Department of General Surgery, Xinghua First People's Hospital, Taizhou 225300, Jiangsu, PR China
| | - Jianwei Zhu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong 226021, Jiangsu, PR China.
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36
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Wallace DR, Spandidos DA, Tsatsakis A, Schweitzer A, Djordjevic V, Djordjevic AB. Potential interaction of cadmium chloride with pancreatic mitochondria: Implications for pancreatic cancer. Int J Mol Med 2019; 44:145-156. [PMID: 31115542 PMCID: PMC6559323 DOI: 10.3892/ijmm.2019.4204] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 05/20/2019] [Indexed: 12/24/2022] Open
Abstract
Pancreatic cancer (PC) is insidious with a high mortality rate due to the lack of symptomology prior to diagnosis. Mitochondrial involvement in PC development is becoming accepted, and exposure to cadmium (Cd) is suspected of being a risk factor for the development of PC; however, the mechanisms involved remain unclear. In this study, we examined the role of Cd as a mitochondrial toxicant and whether alterations in mitochondrial function may be an underlying cause for the development of PC. In this study, cadmium chloride (CdCl2)‑mediated toxicity in hTERT‑HPNE and AsPC‑1 pancreatic cell lines was determined by MTT assay. We also investigated the release of LDH and the generation of free radicals. Mitochondrial toxicity assays were performed in media containing glucose (25 mM) or galactose (10 mM) and following exposure to CdCl2 (0‑100 µM) followed by MTT assay. For the confirmation of mitochondrial toxicity, we measured the release of ATP following exposure to CdCl2. Initial experiments confirmed that exposure to CdCl2 did not reduce the viability of either cell line until a concentration of >10 µM was used. Non‑linear analysis of the response curves revealed lethal concentration 50% (LC50) values for CdCl2 in the HPNE cells of 77 µM compared to 42 µM in the AsPC‑1 cells (P<0.01). The CdCl2‑mediated mitochondrial toxic effects were greater in the HPNE cells, suggesting a heightened sensitivity to the effects of CdCl2, not due to elevated oxidative stress. Increased mitochondrial toxic sensitivity was indicated by a 73.4% reduction in IC50 values in the HPNE cells cultured in galactose compared to culture in glucose media, whereas the AsPC‑1 cells exhibited a 58.8% reduction in IC50 values. In addition, the higher concentration of CdCl2 elicited a significant cell‑dependent effect on ATP release in both cell lines, suggestive of CdCl2 being a mitochondrial toxicant. Cell survival was unaffected following exposure to low concentrations of CdCl2; however, exposure did alter mitochondrial function (control cells > tumor cells). Therefore, the findings of this study indicate that the mitochondria may be a site of action for cadmium in promoting tumor development.
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Affiliation(s)
- David R. Wallace
- Department of Pharmacology, School of Biomedical Science, Oklahoma State University Center for Health Sciences, Tulsa, OK 74107-1898
- Oklahoma State University, Interdisciplinary Toxicology Program, Stillwater, OK 74078-2003, USA
| | | | - Aristidis Tsatsakis
- Department of Toxicology and Forensics, School of Medicine, University of Crete, 71003 Heraklion, Greece
| | - Amie Schweitzer
- Department of Pharmacology, School of Biomedical Science, Oklahoma State University Center for Health Sciences, Tulsa, OK 74107-1898
- Oklahoma State University, Interdisciplinary Toxicology Program, Stillwater, OK 74078-2003, USA
| | | | - Aleksandra Buha Djordjevic
- Department of Toxicology 'Akademik Danilo Soldatović', Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
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Tzanakakis G, Neagu M, Tsatsakis A, Nikitovic D. Proteoglycans and Immunobiology of Cancer-Therapeutic Implications. Front Immunol 2019; 10:875. [PMID: 31068944 PMCID: PMC6491844 DOI: 10.3389/fimmu.2019.00875] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 04/05/2019] [Indexed: 12/13/2022] Open
Abstract
Disparity during the resolution of inflammation is closely related with the initiation and progression of the tumorigenesis. The transformed cells, through continuously evolving interactions, participate in various exchanges with the surrounding microenvironment consisting of extracellular matrix (ECM) components, cytokines embedded in the ECM, as well as the stromal cells. Proteoglycans (PGs), complex molecules consisting of a protein core into which one or more glycosaminoglycan (GAG) chains are covalently tethered, are important regulators of the cell/matrix interface and, consecutively, biological functions. The discrete expression of PGs and their interacting partners has been distinguished as specific for disease development in diverse cancer types. In this mini-review, we will critically discuss the roles of PGs in the complex processes of cancer-associated modulation of the immune response and analyze their mechanisms of action. A deeper understanding of mechanisms which are capable of regulating the immune response could be harnessed to treat malignant disease.
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Affiliation(s)
- George Tzanakakis
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
| | - Monica Neagu
- Immunology Department, "Victor Babes" National Institute of Pathology, Bucharest, Romania.,Pathology Department, Colentina Clinical Hospital, Bucharest, Romania
| | | | - Dragana Nikitovic
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
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Obraztsova K, Evans J, Krymskaya VP. Syndecan-2: Old Player in a New Field. Am J Respir Cell Mol Biol 2019; 60:611-612. [PMID: 30896971 PMCID: PMC6543750 DOI: 10.1165/rcmb.2019-0033ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Kseniya Obraztsova
- 1 Perelman School of Medicine University of Pennsylvania Philadelphia, Pennsylvania
| | - Jilly Evans
- 1 Perelman School of Medicine University of Pennsylvania Philadelphia, Pennsylvania
| | - Vera P Krymskaya
- 1 Perelman School of Medicine University of Pennsylvania Philadelphia, Pennsylvania
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Aggelidakis J, Berdiaki A, Nikitovic D, Papoutsidakis A, Papachristou DJ, Tsatsakis AM, Tzanakakis GN. Biglycan Regulates MG63 Osteosarcoma Cell Growth Through a LPR6/β-Catenin/IGFR-IR Signaling Axis. Front Oncol 2018; 8:470. [PMID: 30406034 PMCID: PMC6206209 DOI: 10.3389/fonc.2018.00470] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 10/04/2018] [Indexed: 12/23/2022] Open
Abstract
Biglycan, a small leucine rich proteoglycan (SLRP), is an important participant in bone homeostasis and development as well as in bone pathology. In the present study biglycan was identified as a positive regulator of MG63 osteosarcoma cell growth (p ≤ 0.001). IGF-I was shown to increase biglycan expression (p ≤ 0.01), whereas biglycan-deficiency attenuated significantly both basal and IGF-I induced cell proliferation of MG63 cells (p ≤ 0.001; p ≤ 0.01, respectively). These effects were executed through the IGF-IR receptor whose activation was strongly attenuated (p ≤ 0.01) in biglycan-deficient MG63 cells. Biglycan, previously shown to regulate Wnt/β-catenin pathway, was demonstrated to induce a significant increase in β-catenin protein expression evident at cytoplasmic (p ≤ 0.01), membrane (p ≤ 0.01), and nucleus fractions in MG63 cells (p ≤ 0.05). As demonstrated by immunofluorescence, increase in β-catenin expression is attributed to co-localization of biglycan with the Wnt co-receptor low-density lipoprotein receptor-related protein 6 (LRP6) resulting in attenuated β-catenin degradation. Furthermore, applying anti-β-catenin and anti-pIGF-IR antibodies to MG-63 cells demonstrated a cytoplasmic and to the membrane interaction between these molecules that increased upon exogenous biglycan treatment. In parallel, the downregulation of biglycan significantly inhibited both basal and IGF-I-dependent ERK1/2 activation, (p ≤ 0.001). In summary, we report a novel mechanism where biglycan through a LRP6/β-catenin/IGF-IR signaling axis enhances osteosarcoma cell growth.
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Affiliation(s)
- John Aggelidakis
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
| | - Aikaterini Berdiaki
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
| | - Dragana Nikitovic
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
| | - Antonis Papoutsidakis
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
| | - Dionysios J Papachristou
- Unit of Bone and Soft Tissue Studies, Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Patras, Patras, Greece
| | - Aristidis M Tsatsakis
- Laboratory of Toxicology, School of Medicine, University of Crete, Heraklion, Greece
| | - George N Tzanakakis
- Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Crete, Heraklion, Greece
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Nikitovic D, Berdiaki A, Spyridaki I, Krasanakis T, Tsatsakis A, Tzanakakis GN. Proteoglycans-Biomarkers and Targets in Cancer Therapy. Front Endocrinol (Lausanne) 2018; 9:69. [PMID: 29559954 PMCID: PMC5845539 DOI: 10.3389/fendo.2018.00069] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 02/16/2018] [Indexed: 12/18/2022] Open
Abstract
Proteoglycans (PGs), important constituents of the extracellular matrix, have been associated with cancer pathogenesis. Their unique structure consisting of a protein core and glycosaminoglycan chains endowed with fine modifications constitutes these molecules as capable cellular effectors important for homeostasis and contributing to disease progression. Indeed, differential expression of PGs and their interacting proteins has been characterized as specific for disease evolvement in various cancer types. Importantly, PGs to a large extent regulate the bioavailability of hormones, growth factors, and cytokines as well as the activation of their respective receptors which regulate phenotypic diversibility, gene expression and rates of recurrence in specific tumor types. Defining and targeting these effectors on an individual patient basis offers ground for the development of newer therapeutic approaches which may act as either supportive or a substitute treatment to the standard therapy protocols. This review discusses the roles of PGs in cancer progression, developing technologies utilized for the defining of the PG "signature" in disease, and how this may facilitate the generation of tailor-made cancer strategies.
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Affiliation(s)
- Dragana Nikitovic
- Laboratory of Anatomy-Histology-Embryology, Medical School, University of Crete, Heraklion, Greece
| | - Aikaterini Berdiaki
- Laboratory of Anatomy-Histology-Embryology, Medical School, University of Crete, Heraklion, Greece
| | - Ioanna Spyridaki
- Laboratory of Anatomy-Histology-Embryology, Medical School, University of Crete, Heraklion, Greece
| | - Theodoros Krasanakis
- Laboratory of Anatomy-Histology-Embryology, Medical School, University of Crete, Heraklion, Greece
| | - Aristidis Tsatsakis
- Laboratory of Toxicology, Medical School, University of Crete, Heraklion, Greece
| | - George N Tzanakakis
- Laboratory of Anatomy-Histology-Embryology, Medical School, University of Crete, Heraklion, Greece
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Nagarajan A, Malvi P, Wajapeyee N. Heparan Sulfate and Heparan Sulfate Proteoglycans in Cancer Initiation and Progression. Front Endocrinol (Lausanne) 2018; 9:483. [PMID: 30197623 PMCID: PMC6118229 DOI: 10.3389/fendo.2018.00483] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 08/03/2018] [Indexed: 12/28/2022] Open
Abstract
Heparan sulfate (HS) are complex unbranched carbohydrate chains that are heavily modified by sulfate and exist either conjugated to proteins or as free, unconjugated chains. Proteins with covalently bound Heparan sulfate chains are termed Heparan Sulfate Proteoglycans (HSPGs). Both HS and HSPGs bind to various growth factors and act as co-receptors for different cell surface receptors. They also modulate the dynamics and kinetics of various ligand-receptor interactions, which in turn can influence the duration and potency of the signaling. HS and HSPGs have also been shown to exert a structural role as a component of the extracellular matrix, thereby altering processes such as cell adhesion, immune cell infiltration and angiogenesis. Previous studies have shown that HS are deregulated in a variety of solid tumors and hematological malignancies and regulate key aspects of cancer initiation and progression. HS deregulation in cancer can occur as a result of changes in the level of HSPGs or due to changes in the levels of HS biosynthesis and remodeling enzymes. Here, we describe the major cell-autonomous (proliferation, apoptosis/senescence and differentiation) and cell-non-autonomous (angiogenesis, immune evasion, and matrix remodeling) roles of HS and HSPGs in cancer. Finally, we discuss therapeutic opportunities for targeting deregulated HS biosynthesis and HSPGs as a strategy for cancer treatment.
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Affiliation(s)
- Arvindhan Nagarajan
- Department of Pathology, Yale University School of Medicine, New Haven, CT, United States
| | - Parmanand Malvi
- Department of Pathology, Yale University School of Medicine, New Haven, CT, United States
| | - Narendra Wajapeyee
- Department of Pathology, Yale University School of Medicine, New Haven, CT, United States
- Yale Cancer Center, Yale University School of Medicine, New Haven, CT, United States
- *Correspondence: Narendra Wajapeyee
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42
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Issue Highlights. IUBMB Life 2017. [DOI: 10.1002/iub.1691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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