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Xu Y, Benedikt J, Ye L. Hyaluronic Acid Interacting Molecules Mediated Crosstalk between Cancer Cells and Microenvironment from Primary Tumour to Distant Metastasis. Cancers (Basel) 2024; 16:1907. [PMID: 38791985 PMCID: PMC11119954 DOI: 10.3390/cancers16101907] [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: 04/26/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Hyaluronic acid (HA) is a prominent component of the extracellular matrix, and its interactions with HA-interacting molecules (HAIMs) play a critical role in cancer development and disease progression. This review explores the multifaceted role of HAIMs in the context of cancer, focusing on their influence on disease progression by dissecting relevant cellular and molecular mechanisms in tumour cells and the tumour microenvironment. Cancer progression can be profoundly affected by the interactions between HA and HAIMs. They modulate critical processes such as cell adhesion, migration, invasion, and proliferation. The TME serves as a dynamic platform in which HAIMs contribute to the formation of a unique niche. The resulting changes in HA composition profoundly influence the biophysical properties of the TME. These modifications in the TME, in conjunction with HAIMs, impact angiogenesis, immune cell recruitment, and immune evasion. Therefore, understanding the intricate interplay between HAIMs and HA within the cancer context is essential for developing novel therapeutic strategies. Targeting these interactions offers promising avenues for cancer treatment, as they hold the potential to disrupt critical aspects of disease progression and the TME. Further research in this field is imperative for advancing our knowledge and the treatment of cancer.
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Affiliation(s)
- Yali Xu
- Cardiff China Medical Research Collaborative, Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff CF14 4XN, UK;
- School of Engineering, Cardiff University, Cardiff CF24 3AA, UK;
| | | | - Lin Ye
- Cardiff China Medical Research Collaborative, Division of Cancer and Genetics, Cardiff University School of Medicine, Cardiff CF14 4XN, UK;
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2
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Wang M, Dai X, Yang X, Jin B, Xie Y, Xu C, Liu Q, Wang L, Ying L, Lu W, Chen Q, Fu T, Su D, Liu Y, Tan W. Serum Protein Fishing for Machine Learning-Boosted Diagnostic Classification of Small Nodules of Lung. ACS NANO 2024; 18:4038-4055. [PMID: 38270088 DOI: 10.1021/acsnano.3c07217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Diagnosis of benign and malignant small nodules of the lung remains an unmet clinical problem which is leading to serious false positive diagnosis and overtreatment. Here, we developed a serum protein fishing-based spectral library (ProteoFish) for data independent acquisition analysis and a machine learning-boosted protein panel for diagnosis of early Non-Small Cell Lung Cancer (NSCLC) and classification of benign and malignant small nodules. We established an extensive NSCLC protein bank consisting of 297 clinical subjects. After testing 5 feature extraction algorithms and six machine learning models, the Lasso algorithm for a 15-key protein panel selection and Random Forest was chosen for diagnostic classification. Our random forest classifier achieved 91.38% accuracy in benign and malignant small nodule diagnosis, which is superior to the existing clinical assays. By integrating with machine learning, the 15-key protein panel may provide insights to multiplexed protein biomarker fishing from serum for facile cancer screening and tackling the current clinical challenge in prospective diagnostic classification of small nodules of the lung.
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Affiliation(s)
- Mengjie Wang
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, Hunan, China
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Xin Dai
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
- Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Xu Yang
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Baichuan Jin
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Yueli Xie
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
- School of Life Sciences, Tianjin University, Tianjin 300072, China
| | - Chenlu Xu
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin 300072, China
| | - Qiqi Liu
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
- Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Lichao Wang
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Lisha Ying
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Weishan Lu
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Qixun Chen
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Ting Fu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, Hunan, China
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Dan Su
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Yuan Liu
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
- Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, Hunan, China
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
- Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310022, Zhejiang, China
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3
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Zeltz C, Navab R, Heljasvaara R, Kusche-Gullberg M, Lu N, Tsao MS, Gullberg D. Integrin α11β1 in tumor fibrosis: more than just another cancer-associated fibroblast biomarker? J Cell Commun Signal 2022; 16:649-660. [PMID: 35378690 PMCID: PMC8978763 DOI: 10.1007/s12079-022-00673-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/04/2022] [Indexed: 12/13/2022] Open
Abstract
There is currently an increased interest in understanding the role of the tumor microenvironment (TME) in tumor growth and progression. In this context the role of integrins in cancer-associated fibroblasts (CAFs) will need to be carefully re-evaluated. Fibroblast-derived cells are not only in the focus in tumors, but also in tissue fibrosis as well as in inflammatory conditions. The recent transcriptional profiling of what has been called "the pan-fibroblast cell lineage" in mouse and human tissues has identified novel transcriptional biomarker mRNAs encoding the secreted ECM proteins dermatopontin and collagen XV as well as the phosphatidylinositol-anchored membrane protein Pi16. Some of the genes identified in these fibroblasts scRNA-seq datasets will be useful for rigorous comparative characterizations of fibroblast-derived cell subpopulations. At the same time, it will be a challenge in the coming years to validate these transcriptional mRNA datasets at the protein-(expression) and at tissue-(distribution) levels and to find useful protein biomarker reagents that will facilitate fibroblast profiling at the cell level. In the current review we will focus on the role of the collagen-binding integrin α11β1 in CAFs, summarizing our own work as well as published datasets with information on α11 mRNA expression in selected tumors. Our experimental data suggest that α11β1 is more than just another biomarker and that it as a functional collagen receptor in the TME is playing a central role in regulating collagen assembly and matrix remodeling, which in turn impact tumor growth and metastasis.
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Affiliation(s)
- Cédric Zeltz
- Department of Biomedicine, Matrix Biology Group, Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
| | - Roya Navab
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Ritva Heljasvaara
- Oulu Center for Cell-Matrix Research, Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Marion Kusche-Gullberg
- Department of Biomedicine, Matrix Biology Group, Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
| | - Ning Lu
- Department of Biomedicine, Matrix Biology Group, Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway
| | - Ming-Sound Tsao
- Princess Margaret Cancer Center, University Health Network, Toronto, ON, M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5G 1X8, Canada
| | - Donald Gullberg
- Department of Biomedicine, Matrix Biology Group, Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, 5009, Bergen, Norway.
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Zeltz C, Khalil M, Navab R, Tsao MS. Collagen Type XI Inhibits Lung Cancer-Associated Fibroblast Functions and Restrains the Integrin Binding Site Availability on Collagen Type I Matrix. Int J Mol Sci 2022; 23:ijms231911722. [PMID: 36233024 PMCID: PMC9569509 DOI: 10.3390/ijms231911722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/20/2022] [Accepted: 09/26/2022] [Indexed: 12/02/2022] Open
Abstract
The tumor microenvironment, including cancer-associated fibroblast (CAF), plays an active role in non-small cell lung cancer (NSCLC) development and progression. We previously reported that collagen type XI and integrin α11, a collagen receptor, were upregulated in NSCLC; the latter promotes tumor growth and metastasis. We here explored the role of collagen type XI in NSCLC stroma. We showed that the presence of collagen type XI in collagen type I matrices inhibits CAF-mediated collagen remodeling and cell migration. This resulted in the inhibition of CAF-dependent lung-tumor cell invasion. Among the collagen receptors expressed on CAF, we determined that DDR2 and integrin α2β1, but not integrin α11β1, mediated the high-affinity binding to collagen type XI. We further demonstrated that collagen type XI restrained the integrin binding site availability on collagen type I matrices, thus limiting cell interaction with collagen type I. As a consequence, CAFs failed to activate FAK, p38 and Akt one hour after they interacted with collagen type I/XI. We concluded that collagen type XI may have a competitive negative feedback role on the binding of collagen type I to its receptors.
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Affiliation(s)
- Cédric Zeltz
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Maryam Khalil
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Roya Navab
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Ming-Sound Tsao
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Departments of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
- Correspondence:
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5
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COL11A1 is Downregulated by miR-339-5p and Promotes Colon Carcinoma Progression. Can J Gastroenterol Hepatol 2022; 2022:8116990. [PMID: 35669376 PMCID: PMC9167123 DOI: 10.1155/2022/8116990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 04/28/2022] [Accepted: 05/04/2022] [Indexed: 11/18/2022] Open
Abstract
The roles of COL11A1 in cancer have been increasingly considered, but the understandings of the effects of COL11A1 on colon carcinoma progress are much limited yet. qRT-PCR and Western blot were utilized to evaluate COL11A1 expression at mRNA and protein levels, respectively, in colon carcinoma cell lines. Afterward, the tumorigenesis biological effects of COL11A1 were examined by CCK-8, colony formation, Transwell, and wound healing methods. Moreover, upstream miRNAs containing the binding sites with COL11A1 were predicted by the bioinformatics methods. The interplay between COL11A1 and miR-339-5p was identified by a dual-luciferase assay. COL11A1 expression was prominently upregulated in colon carcinoma cell lines relative to that in normal human colon mucosal epithelial cell lines, and it was related to tumor stages. The outcomes of in-vitro experiments suggested that interfering with COL11A1 remarkably repressed the malignant behaviors of SW480 and SW620 cells. MiR-339-5p was markedly lowly expressed in colon carcinoma cell lines. Furthermore, miR-339-5p directly targeted and negatively regulated COL11A1 expression. COL11A1 upregulation promoted colon carcinoma cell functions, while overexpressing miR-339-5p evidently attenuated the promotion. These results proved the modulation of the miR-339-5p/COL11A1 axis in colon carcinoma cells, and miR-339-5p repressed colon carcinoma progression via COL11A1 downregulation. These results offer new underlying targets for the accurate therapy of colon carcinoma patients.
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6
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Iwai M, Tulafu M, Togo S, Kawaji H, Kadoya K, Namba Y, Jin J, Watanabe J, Okabe T, Hidayat M, Sumiyoshi I, Itoh M, Koyama Y, Ito Y, Orimo A, Takamochi K, Oh S, Suzuki K, Hayashizaki Y, Yoshida K, Takahashi K. Cancer-associated fibroblast migration in non-small cell lung cancers is modulated by increased integrin α11 expression. Mol Oncol 2021; 15:1507-1527. [PMID: 33682233 PMCID: PMC8096795 DOI: 10.1002/1878-0261.12937] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 03/04/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer‐associated fibroblasts (CAFs) regulate cancer progression through the modulation of extracellular matrix (ECM) and cancer cell adhesion. While undergoing a series of phenotypic changes, CAFs control cancer–stroma interactions through integrin receptor signaling. Here, we isolated CAFs from patients with non‐small‐cell lung cancer (NSCLC) and examined their gene expression profiles. We identified collagen type XI α1 (COL11A1), integrin α11 (ITGA11), and the ITGA11 major ligand collagen type I α1 (COL1A1) among the 390 genes that were significantly enriched in NSCLC‐associated CAFs. Increased ITGA11 expression in cancer stroma was correlated with a poor clinical outcome in patients with NSCLC. Increased expression of fibronectin and collagen type I induced ITGA11 expression in CAFs. The cellular migration of CAFs toward collagen type I and fibronectin was promoted via ERK1/2 signaling, independently of the fibronectin receptor integrin α5β1. Additionally, ERK1/2 signaling induced ITGA11 and COL11A1 expression in cancer stroma. We, therefore, propose that targeting ITGA11 and COL11A1 expressing CAFs to block cancer–stroma interactions may serve as a novel, promising anti‐tumor strategy.
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Affiliation(s)
- Moe Iwai
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Miniwan Tulafu
- Leading Center for the Development and Research of Cancer Medicine, Juntendo University, Tokyo, Japan
| | - Shinsaku Togo
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Hideya Kawaji
- Tokyo Metropolitan Institute of Medical Science, Setagaya-ku, Japan.,Preventive Medicine and Applied Genomics Unit, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.,RIKEN Preventive Medicine and Diagnosis Innovation Program, Saitama, Japan
| | - Kotaro Kadoya
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Yukiko Namba
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Jin Jin
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan.,Department of Respiratory and Critical Care Medicine, National Center of Gerontology, Beijing Hospital, China
| | - Junko Watanabe
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Takahiro Okabe
- Leading Center for the Development and Research of Cancer Medicine, Juntendo University, Tokyo, Japan
| | - Moulid Hidayat
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan.,Department of Pulmonology and Respiratory Medicine, Universitas Indonesia Faculty of Medicine, Jakarta, Indonesia
| | - Issei Sumiyoshi
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
| | - Masayoshi Itoh
- RIKEN Preventive Medicine and Diagnosis Innovation Program, Saitama, Japan
| | - Yu Koyama
- Departments of Molecular Pathogenesis, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Department of Oral Pathobiological Science and Surgery, Tokyo Dental College, Japan
| | - Yasuhiko Ito
- Departments of Molecular Pathogenesis, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Akira Orimo
- Departments of Molecular Pathogenesis, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kazuya Takamochi
- Department of General Thoracic Surgery, Juntendo University School of Medicine, Tokyo, Japan
| | - Shiaki Oh
- Department of General Thoracic Surgery, Juntendo University School of Medicine, Tokyo, Japan
| | - Kenji Suzuki
- Department of General Thoracic Surgery, Juntendo University School of Medicine, Tokyo, Japan
| | | | - Koji Yoshida
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Kazuhisa Takahashi
- Division of Respiratory Medicine, Juntendo University Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan
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7
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Carratt SA, Kovalchuk N, Ding X, Van Winkle LS. Metabolism and Lung Toxicity of Inhaled Naphthalene: Effects of Postnatal Age and Sex. Toxicol Sci 2020; 170:536-548. [PMID: 31020322 DOI: 10.1093/toxsci/kfz100] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Human exposure to naphthalene (NA), an acute lung toxicant and possible human carcinogen, is primarily through inhalation. Acute lung toxicity and carcinogenesis are thought to be related because the target sites for both are similar. To understand susceptibility of the developing lung to cytotoxicity of inhaled NA, we exposed neonatal (7 days), juvenile (3 weeks), and adult mice to 5 or 10 ppm NA vapor for 4 h. We measured vacuolated airway epithelium morphometrically, quantified NA and NA-glutathione levels in plasma and lung, and quantified gene expression in microdissected airways. NA inhalation caused airway epithelial cytotoxicity at all ages, in both sexes. Contrary to a previous study that showed the greatest airway epithelial cytotoxicity in neonatal mice following intraperitoneal NA injection, we observed the most extensive airway epithelial toxicity in older, juvenile, animals exposed to NA by inhalation. Juvenile female animals were the most susceptible. Furthermore, NA inhalation in juvenile animals resulted in damage to conducting airway Club cells that was greater in proximal versus distal airways. We also found NA tissue burden and metabolism differed by age. Gene expression pathway analysis was consistent with the premise that female juvenile mice are more predisposed to damage; DNA damage and cancer pathways were upregulated. Our data demonstrate special susceptibility of young, juvenile mice to NA inhalation-induced cytotoxicity, highlight the importance of route of exposure and airway location in toxicity of chemicals in the developing lung, and provide metabolic and molecular insights for further identification of mechanisms underlying age and sex differences in NA toxicity.
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Affiliation(s)
- Sarah A Carratt
- Center for Health and the Environment, University of California Davis, Davis, California 95616
| | - Nataliia Kovalchuk
- Wadsworth Center, New York State Department of Health, Albany, New York 12201.,Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721
| | - Xinxin Ding
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721.,College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, New York 12203
| | - Laura S Van Winkle
- Center for Health and the Environment, University of California Davis, Davis, California 95616.,Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California Davis, Davis, California 95616
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Zeltz C, Primac I, Erusappan P, Alam J, Noel A, Gullberg D. Cancer-associated fibroblasts in desmoplastic tumors: emerging role of integrins. Semin Cancer Biol 2019; 62:166-181. [PMID: 31415910 DOI: 10.1016/j.semcancer.2019.08.004] [Citation(s) in RCA: 171] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 08/01/2019] [Accepted: 08/05/2019] [Indexed: 02/06/2023]
Abstract
The tumor microenvironment (TME) is a complex meshwork of extracellular matrix (ECM) macromolecules filled with a collection of cells including cancer-associated fibroblasts (CAFs), blood vessel associated smooth muscle cells, pericytes, endothelial cells, mesenchymal stem cells and a variety of immune cells. In tumors the homeostasis governing ECM synthesis and turnover is disturbed resulting in abnormal blood vessel formation and excessive fibrillar collagen accumulations of varying stiffness and organization. The disturbed ECM homeostasis opens up for new types of paracrine, cell-cell and cell-ECM interactions with large consequences for tumor growth, angiogenesis, metastasis, immune suppression and resistance to treatments. As a main producer of ECM and paracrine signals the CAF is a central cell type in these events. Whereas the paracrine signaling has been extensively studied in the context of tumor-stroma interactions, the nature of the numerous integrin-mediated cell-ECM interactions occurring in the TME remains understudied. In this review we will discuss and dissect the role of known and potential CAF interactions in the TME, during both tumorigenesis and chemoresistance-induced events, with a special focus on the "interaction landscape" in desmoplastic breast, lung and pancreatic cancers. As an example of the multifaceted mode of action of the stromal collagen receptor integrin α11β1, we will summarize our current understanding on the role of this CAF-expressed integrin in these three tumor types.
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Affiliation(s)
- Cédric Zeltz
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway; Princess Margaret Cancer Center, University Health Network, Toronto, Canada
| | - Irina Primac
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liege (ULiège), Liege, Belgium
| | - Pugazendhi Erusappan
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway; Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Jahedul Alam
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Agnes Noel
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liege (ULiège), Liege, Belgium
| | - Donald Gullberg
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway.
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9
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Jang I, Beningo KA. Integrins, CAFs and Mechanical Forces in the Progression of Cancer. Cancers (Basel) 2019; 11:cancers11050721. [PMID: 31137693 PMCID: PMC6562616 DOI: 10.3390/cancers11050721] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 05/17/2019] [Accepted: 05/20/2019] [Indexed: 01/08/2023] Open
Abstract
Cells respond to both chemical and mechanical cues present within their microenvironment. Various mechanical signals are detected by and transmitted to the cells through mechanoreceptors. These receptors often contact with the extracellular matrix (ECM), where the external signals are converted into a physiological response. Integrins are well-defined mechanoreceptors that physically connect the actomyosin cytoskeleton to the surrounding matrix and transduce signals. Families of α and β subunits can form a variety of heterodimers that have been implicated in cancer progression and differ among types of cancer. These heterodimers serve as the nexus of communication between the cells and the tumor microenvironment (TME). The TME is dynamic and composed of stromal cells, ECM and associated soluble factors. The most abundant stromal cells within the TME are cancer-associated fibroblasts (CAFs). Accumulating studies implicate CAFs in cancer development and metastasis through their remodeling of the ECM and release of large amounts of ECM proteins and soluble factors. Considering that the communication between cancer cells and CAFs, in large part, takes place through the ECM, the involvement of integrins in the crosstalk is significant. This review discusses the role of integrins, as the primary cell-ECM mechanoreceptors, in cancer progression, highlighting integrin-mediated mechanical communication between cancer cells and CAFs.
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Affiliation(s)
- Imjoo Jang
- Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA.
| | - Karen A Beningo
- Department of Biological Sciences, Wayne State University, Detroit, MI 48202, USA.
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10
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Yang H, Wu J, Zhang J, Yang Z, Jin W, Li Y, Jin L, Yin L, Liu H, Wang Z. Integrated bioinformatics analysis of key genes involved in progress of colon cancer. Mol Genet Genomic Med 2019; 7:e00588. [PMID: 30746900 PMCID: PMC6465657 DOI: 10.1002/mgg3.588] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 12/21/2018] [Accepted: 01/06/2019] [Indexed: 12/26/2022] Open
Abstract
Background Colon cancer is one of most malignant cancers around worldwide. Nearly 20% patients were diagnosed at colon cancer with metastasis. However, the lack of understanding regarding its pathogenesis brings difficulties to study it. Methods In this study, we acquired high‐sequence data from GEO dataset, and performed integrated bioinformatic analysis including differently expressed genes, gene ontology and Kyoto Encyclopedia of Genes and Genomes pathways analysis, protein–protein analysis, survival analysis to analyze the development of colon cancer. Results By comparing the colon cancer tissues with normal colon tissues, 109 genes were dysregulated; among them, 83 genes were downregulated and 26 genes were upregulated. Two clusters were founded based on the STRING database and MCODE plugin of cytoscape software. Then, six genes with prognostic value were filtered out in UALCAN website. Conclusion We found that SPP1, VIP, COL11A1, CA2, ADAM12, INHBA could provide great significant prognostic value for colon cancer.
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Affiliation(s)
- Haojie Yang
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiong Wu
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jingjing Zhang
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhigang Yang
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wei Jin
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ying Li
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lei Jin
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lu Yin
- Shanghai Changning Maternity & Infant Health Hospital, Shanghai, China
| | - Hua Liu
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhenyi Wang
- Department of colo-proctology, Yueyang Hospital of Integratd Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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11
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Hussain S, Saxena S, Shrivastava S, Mohanty AK, Kumar S, Singh RJ, Kumar A, Wani SA, Gandham RK, Kumar N, Sharma AK, Tiwari AK, Singh RK. Gene expression profiling of spontaneously occurring canine mammary tumours: Insight into gene networks and pathways linked to cancer pathogenesis. PLoS One 2018; 13:e0208656. [PMID: 30517191 PMCID: PMC6281268 DOI: 10.1371/journal.pone.0208656] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 11/20/2018] [Indexed: 11/24/2022] Open
Abstract
Spontaneously occurring canine mammary tumours (CMTs) are the most common neoplasms of unspayed female dogs leading to thrice higher mortality rates than human breast cancer. These are also attractive models for human breast cancer studies owing to clinical and molecular similarities. Thus, they are important candidates for biomarker studies and understanding cancer pathobiology. The study was designed to explore underlying molecular networks and pathways in CMTs for deciphering new prognostic factors and therapeutic targets. To gain an insight into various pathways and networks associated with the development and pathogenesis of CMTs, comparative cDNA microarray expression profiling was performed using CMT tissues and healthy mammary gland tissues. Upon analysis, 1700 and 1287 differentially expressed genes (DEGs, P ≤ 0.05) were identified in malignant and benign tissues, respectively. DEGs identified from microarray analysis were further annotated using the Ingenuity Systems Pathway Analysis (IPA) tool for detection of deregulated canonical pathways, upstream regulators, and networks associated with malignant, as well as, benign disease. Top scoring key networks in benign and malignant mammary tumours were having central nodes of VEGF and BUB1B, respectively. Cyclins & cell cycle regulation and TREM1 signalling were amongst the top activated canonical pathways in CMTs. Other cancer related significant pathways like apoptosis signalling, dendritic cell maturation, DNA recombination and repair, Wnt/β-catenin signalling, etc. were also found to be altered. Furthermore, seven proteins (ANXA2, APOCII, CDK6, GATC, GDI2, GNAQ and MYH9) highly up-regulated in malignant tissues were identified by two-dimensional gel electrophoresis (2DE) and MALDI-TOF PMF studies which were in concordance with microarray data. Thus, the study has uncovered ample number of candidate genes associated with CMTs which need to be further validated as therapeutic targets and prognostic markers.
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Affiliation(s)
- Shahid Hussain
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
| | - Sonal Saxena
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
- * E-mail: (SON); (SAM); (RKS)
| | - Sameer Shrivastava
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
- * E-mail: (SON); (SAM); (RKS)
| | - Ashok Kumar Mohanty
- Animal Biotechnology Division, ICAR-National Dairy Research Institute [Deemed University], Karnal, Haryana, India
| | - Sudarshan Kumar
- Animal Biotechnology Division, ICAR-National Dairy Research Institute [Deemed University], Karnal, Haryana, India
| | - Rajkumar James Singh
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
| | - Abhinav Kumar
- Department of Computer Science and Engineering, Indian Institute of Technology (IIT) BHU, Varanasi, India
| | | | - Ravi Kumar Gandham
- National Institute of Animal Biotechnology, Miyapur, Hyderabad, Telangana, India
| | - Naveen Kumar
- Division of Veterinary Surgery, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
| | - Anil Kumar Sharma
- Division of Veterinary Pathology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
| | - Ashok Kumar Tiwari
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
| | - Raj Kumar Singh
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute [Deemed University], Izatnagar, Bareilly, UP, India
- * E-mail: (SON); (SAM); (RKS)
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12
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Matsuoka R, Shiba-Ishii A, Nakano N, Togayachi A, Sakashita S, Sato Y, Minami Y, Noguchi M. Heterotopic production of ceruloplasmin by lung adenocarcinoma is significantly correlated with prognosis. Lung Cancer 2018; 118:97-104. [DOI: 10.1016/j.lungcan.2018.01.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 12/22/2017] [Accepted: 01/17/2018] [Indexed: 12/21/2022]
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13
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Schnittert J, Bansal R, Storm G, Prakash J. Integrins in wound healing, fibrosis and tumor stroma: High potential targets for therapeutics and drug delivery. Adv Drug Deliv Rev 2018; 129:37-53. [PMID: 29414674 DOI: 10.1016/j.addr.2018.01.020] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 01/16/2018] [Accepted: 01/29/2018] [Indexed: 12/20/2022]
Abstract
Wound healing is a complex process, which ultimately leads to fibrosis if not repaired well. Pathologically very similar to fibrosis is the tumor stroma, found in several solid tumors which are regarded as wounds that do not heal. Integrins are heterodimeric surface receptors which control various physiological cellular functions. Additionally, integrins also sense ECM-induced extracellular changes during pathological events, leading to cellular responses, which influence ECM remodeling. The purpose and scope of this review is to introduce integrins as key targets for therapeutics and drug delivery within the scope of wound healing, fibrosis and the tumor stroma. This review provides a general introduction to the biology of integrins including their types, ligands, means of signaling and interaction with growth factor receptors. Furthermore, we highlight integrins as key targets for therapeutics and drug delivery, based on their biological role, expression pattern within human tissues and at cellular level. Next, therapeutic approaches targeting integrins, with a focus on clinical studies, and targeted drug delivery strategies based on ligands are described.
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14
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Qi Y, Xu F, Chen L, Li Y, Xu Z, Zhang Y, Wei W, Su N, Zhang T, Fan F, Wang X, Qin X, Zhang L, Liu Y, Xu P. Quantitative proteomics reveals FLNC as a potential progression marker for the development of hepatocellular carcinoma. Oncotarget 2018; 7:68242-68252. [PMID: 27626164 PMCID: PMC5354476 DOI: 10.18632/oncotarget.11921] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Accepted: 09/02/2016] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) caused by hepatitis B virus (HBV) infection is one of the most life-threatening human cancers in China. However, the pathogenesis of HCC development is still unclear. Here, we systemically analyzed liver tissues from different stages of HCC patients through 8-plex Isobaric Tags for Relative and Absolute Quantitation (iTRAQ) approach. A total of 4,620 proteins were identified and 3,781 proteins were quantified. When T1, T2 and T3 tumor tissues were compared with T1 non-tumor cells, 330, 365 and 387 differentially expressed proteins were identified respectively. IPA (Ingenuity Pathway Analysis) analysis revealed that these differentially expressed proteins were involved in endothelial cancer, cell spreading, cell adhesion and cell movement of tumor cell lines pathway and so on. Further study showed that the filamin C (FLNC) protein was significantly overexpressed with the development of HCC, which might play an important role in HCC invasion and metastasis. These results were also confirmed with western blot (WB). The mRNA levels were significantly increased in 50 pairs of tumor and adjacent non-tumor tissues from TCGA database. The higher expression of FLNC in HCC might be a common phenomenon, thereby shedding new light on molecular mechanism and biomarker for the diagnosis purpose of HCC development.
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Affiliation(s)
- Yingzi Qi
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Feng Xu
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Lingsheng Chen
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China.,State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning 530005, China
| | - Yanchang Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Zhongwei Xu
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Yao Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China.,Institute of Microbiology, Chinese Academy of Science, Beijing 100101, China
| | - Wei Wei
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Na Su
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Tao Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Fengxu Fan
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China.,Anhui Medical University, Hefei 230032, China
| | - Xing Wang
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Xue Qin
- Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Lingqiang Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China
| | - Yinkun Liu
- Cancer Research Center, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Ping Xu
- State Key Laboratory of Proteomics, National Center for Protein Sciences Beijing, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, China.,Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Wuhan University), Ministry of Education and Wuhan University School of Pharmaceutical Sciences, Wuhan 430072, China.,Anhui Medical University, Hefei 230032, China
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15
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Wang X, Li W, Chen J, Zhao S, Qiu S, Yin H, Carvalho V, Zhou Y, Shi R, Hu J, Li S, Nijiati M, Sun Z. A Transcriptional Sequencing Analysis of Islet Stellate Cell and Pancreatic Stellate Cell. J Diabetes Res 2018; 2018:7361684. [PMID: 29619382 PMCID: PMC5830286 DOI: 10.1155/2018/7361684] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 11/22/2017] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Our previous studies have shown that islet stellate cell (ISC), similar to pancreatic stellate cell (PSC) in phenotype and biological characters, may be responsible for the islet fibrosis in type 2 diabetes. To further identify the differences between PSC and ISC and for better understanding of the physiological function of ISC, we employed genome-wide transcriptional analysis on the PSCs and ISCs of Wistar rats. METHOD PSCs and ISCs from each rat were primarily cultured at the same condition. Genome-wide transcriptional sequence of stellate cells was generated. The identified differentially expressed genes were validated using RT-PCR. RESULTS 32 significant differentially expressed genes between PSCs and ISCs were identified. Moreover, collagen type 11a1 (COL11A1), was found to be expressed 2.91-fold higher in ISCs compared with PSCs, indicating that COL11A1 might be a potential key gene modulating the differences between PSC and ISC. CONCLUSIONS Our study identified and validated the differences between PSC and ISC in genome-wide transcriptional scale, confirming the assumption that ISC and PSC are similar other than identical. Moreover, our data might be instrumental for further investigation of ISC and islet fibrosis, and some differential expressed genes may provide an insight into new therapeutic targets for type 2 diabetes.
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Affiliation(s)
- Xiaohang Wang
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wei Li
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Juan Chen
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Sheng Zhao
- Department of Biochemistry and Molecular Biology, School of Medicine, Southeast University, Nanjing, China
| | - Shanhu Qiu
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Han Yin
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Vladmir Carvalho
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Yunting Zhou
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Ruifeng Shi
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Jiannan Hu
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Shenyi Li
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Munire Nijiati
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Zilin Sun
- Department of Endocrinology, Institute of Diabetes, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
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16
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Common Subcluster Mining in Microarray Data for Molecular Biomarker Discovery. Interdiscip Sci 2017; 11:348-359. [PMID: 29022249 DOI: 10.1007/s12539-017-0262-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 08/07/2017] [Accepted: 09/12/2017] [Indexed: 12/11/2022]
Abstract
Molecular biomarkers can be potential facilitators for detection of cancer at early stage which is otherwise difficult through conventional biomarkers. Gene expression data from microarray experiments on both normal and diseased cell samples provide enormous scope to explore genetic relations of disease using computational techniques. Varied patterns of expressions of thousands of genes at different cell conditions along with inherent experimental error make the task of isolating disease related genes challenging. In this paper, we present a data mining method, common subcluster mining (CSM), to discover highly perturbed genes under diseased condition from differential expression patterns. The method builds heap through superposing near centroid clusters from gene expression data of normal samples and extracts its core part. It, thus, isolates genes exhibiting the most stable state across normal samples and constitute a reference set for each centroid. It performs the same operation on datasets from corresponding diseased samples and isolates the genes showing drastic changes in their expression patterns. The method thus finds the disease-sensitive genesets when applied to datasets of lung cancer, prostrate cancer, pancreatic cancer, breast cancer, leukemia and pulmonary arterial hypertension. In majority of the cases, few new genes are found over and above some previously reported ones. Genes with distinct deviations in diseased samples are prospective candidates for molecular biomarkers of the respective disease.
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17
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Chen B, Gao S, Ji C, Song G. Integrated analysis reveals candidate genes and transcription factors in lung adenocarcinoma. Mol Med Rep 2017; 16:8371-8379. [PMID: 28983631 DOI: 10.3892/mmr.2017.7656] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 02/23/2017] [Indexed: 11/06/2022] Open
Abstract
Lung adenocarcinoma is the most common type of non‑small cell lung cancer in Asia. Therefore, it is important to improve understanding of the underlying transcriptional regulatory mechanisms involved. The present study aimed to identify potential candidate genes and transcription factors (TFs) associated with the disease. Four gene expression profiles were downloaded from the Gene Expression Omnibus database, which included 141 lung adenocarcinoma patients and 191 healthy controls. The differentially expressed genes (DEGs) were screened out and functional annotation was performed. In addition, TFs were identified and a global transcriptional regulatory network was constructed. Integrated analysis gave rise to a total of 1,238 DEGs in lung adenocarcinoma when compared with healthy tissues, including 970 upregulated and 268 downregulated DEGs. The six overexpressed outlier genes of ceruloplasmin, heparan sulfate 6‑O‑sulfotransferase 2, transmembrane protease serine 4, anillin actin binding protein, cellular retinoic acid binding protein 2 and cystatin SN may serve important roles in the development of lung adenocarcinoma. In addition, the downregulation of carbonic anhydrase 4 and S100 calcium binding protein A12 may render these effective diagnostic biomarkers. The results of the transcriptional regulatory network demonstrated that the hub nodes were sex determining region Y‑box 10, Spi‑B transcription factor and nuclear receptor subfamily 4 group A member 2. The four TFs, forkhead box D1, E74‑like ETS transcription factor 5, homeobox A5 and kruppel‑like factor 5, may warrant future investigations into their function in disease development. In conclusion, the present study provided for further studies a list of candidate genes and TFs for the detection and treatment of lung adenocarcinoma.
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Affiliation(s)
- Baiwang Chen
- Intensive Care Unit, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Shuhong Gao
- Intensive Care Unit, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Changwei Ji
- Intensive Care Unit, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
| | - Ge Song
- Intensive Care Unit, Jining No. 1 People's Hospital, Jining, Shandong 272011, P.R. China
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18
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Zhang Y, Zhao W, Zhang J. Comprehensive epigenetic analysis of the signature genes in lung adenocarcinoma. Epigenomics 2017; 9:1161-1173. [PMID: 28809126 DOI: 10.2217/epi-2017-0023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Aim: This study aimed to explore the epigenetic modifications of signature genes in lung adenocarcinoma. Materials & methods: The data of miRNA expression, mRNA expression and DNA methylation were downloaded from The Cancer Genome Atlas. Differential analysis was performed, followed by correlation analysis of miRNA–mRNA and DNA methylation-mRNA. Results: A total of 14 significant inverse correlations between gene expression and DNA methylation were identified, the expressions of which were selected for further validation via GSE27262, displaying similar pattern with that of the integrated analysis. In addition, qRT-PCR results showed that the expression profiling results of six mRNAs and one miRNA were consistent with the findings of integrated analysis. Five genes showed higher diagnostic value, which was also associated with overall survival of patients. Conclusion: Taken together, the epigenetic alterations of signature genes may hold promise for becoming biomarkers for the early detection of lung adenocarcinoma.
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Affiliation(s)
- Yunfeng Zhang
- Second Department of Thoracic Surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Weidong Zhao
- Department of Oncosurgery, Weinan Central Hospital of Shanxi Province, Weinan, China
| | - Jia Zhang
- Second Department of Thoracic Surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
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19
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Hou L, Chen M, Wang M, Cui X, Gao Y, Xing T, Li J, Deng S, Hu J, Yang H, Jiang J. Systematic analyses of key genes and pathways in the development of invasive breast cancer. Gene 2016; 593:1-12. [DOI: 10.1016/j.gene.2016.08.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 07/15/2016] [Accepted: 08/04/2016] [Indexed: 11/29/2022]
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20
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Shen L, Yang M, Lin Q, Zhang Z, Zhu B, Miao C. COL11A1 is overexpressed in recurrent non-small cell lung cancer and promotes cell proliferation, migration, invasion and drug resistance. Oncol Rep 2016; 36:877-85. [PMID: 27373316 DOI: 10.3892/or.2016.4869] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 12/07/2015] [Indexed: 11/05/2022] Open
Abstract
Collagen type XI α1 (COL11A1), a minor fibrillar collagen, has been demonstrated to be involved in cell proliferation, migration and the tumorigenesis of many human malignancies. Previous studies have shown that COL11A1 may be a valuable diagnostic marker for non-small cell lung carcinoma (NSCLC). However, its biological function in NSCLC progression remains largely unclear. In the present study, we investigated the expression levels of COL11A1 in different human NSCLC samples, and found that COL11A1 was overexpressed in NSCLC with lymph node metastasis and in recurrent NSCLC tissues. We also revealed that COL11A1 promoted the cell proliferation, migration and invasion of NSCLC cell lines in vitro. Furthermore, our results highlighted the importance of COL11A1 in chemoresistance to cisplatin. Mechanistically, we found that the effects of the overexpression of COL11A1 in NSCLC cells were mediated by Smad signaling. Collectively, our findings suggest that COL11A1 may sever as a biomarker for metastatic NSCLC, and can be used to predict recurrence after surgical resection. Therapeutic approaches targeting COL11A1 may facilitate the optimization of cisplatin treatment of NSCLC by overcoming chemoresistance.
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Affiliation(s)
- Lihua Shen
- Department of Anaesthesia, Critical Care and Pain Medicine, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Min Yang
- Department of Respiratory Diseases, Tianjin First Center Hospital, Tianjin 300192, P.R. China
| | - Qionghua Lin
- Department of Anaesthesia, Critical Care and Pain Medicine, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Zhongwei Zhang
- Department of Anaesthesia, Critical Care and Pain Medicine, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Biao Zhu
- Department of Anaesthesia, Critical Care and Pain Medicine, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Changhong Miao
- Department of Anaesthesia, Critical Care and Pain Medicine, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
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21
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Marcus MW, Raji OY, Duffy SW, Young RP, Hopkins RJ, Field JK. Incorporating epistasis interaction of genetic susceptibility single nucleotide polymorphisms in a lung cancer risk prediction model. Int J Oncol 2016; 49:361-70. [PMID: 27121382 PMCID: PMC4902078 DOI: 10.3892/ijo.2016.3499] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 02/17/2016] [Indexed: 02/06/2023] Open
Abstract
Incorporation of genetic variants such as single nucleotide polymorphisms (SNPs) into risk prediction models may account for a substantial fraction of attributable disease risk. Genetic data, from 2385 subjects recruited into the Liverpool Lung Project (LLP) between 2000 and 2008, consisting of 20 SNPs independently validated in a candidate-gene discovery study was used. Multifactor dimensionality reduction (MDR) and random forest (RF) were used to explore evidence of epistasis among 20 replicated SNPs. Multivariable logistic regression was used to identify similar risk predictors for lung cancer in the LLP risk model for the epidemiological model and extended model with SNPs. Both models were internally validated using the bootstrap method and model performance was assessed using area under the curve (AUC) and net reclassification improvement (NRI). Using MDR and RF, the overall best classifier of lung cancer status were SNPs rs1799732 (DRD2), rs5744256 (IL-18), rs2306022 (ITGA11) with training accuracy of 0.6592 and a testing accuracy of 0.6572 and a cross-validation consistency of 10/10 with permutation testing P<0.0001. The apparent AUC of the epidemiological model was 0.75 (95% CI 0.73–0.77). When epistatic data were incorporated in the extended model, the AUC increased to 0.81 (95% CI 0.79–0.83) which corresponds to 8% increase in AUC (DeLong's test P=2.2e-16); 17.5% by NRI. After correction for optimism, the AUC was 0.73 for the epidemiological model and 0.79 for the extended model. Our results showed modest improvement in lung cancer risk prediction when the SNP epistasis factor was added.
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Affiliation(s)
- Michael W Marcus
- Roy Castle Lung Cancer Research Programme, The University of Liverpool, Department of Molecular and Clinical Cancer Medicine, Institute of Translational Medicine, Liverpool L7 8TX, UK
| | - Olaide Y Raji
- Roy Castle Lung Cancer Research Programme, The University of Liverpool, Department of Molecular and Clinical Cancer Medicine, Institute of Translational Medicine, Liverpool L7 8TX, UK
| | - Stephen W Duffy
- Wolfson Institute of Preventive Medicine, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Robert P Young
- School of Biological Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Raewyn J Hopkins
- School of Biological Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - John K Field
- Roy Castle Lung Cancer Research Programme, The University of Liverpool, Department of Molecular and Clinical Cancer Medicine, Institute of Translational Medicine, Liverpool L7 8TX, UK
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22
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Reigstad I, Smeland HYH, Skogstrand T, Sortland K, Schmid MC, Reed RK, Stuhr L. Stromal Integrin α11β1 Affects RM11 Prostate and 4T1 Breast Xenograft Tumors Differently. PLoS One 2016; 11:e0151663. [PMID: 26990302 PMCID: PMC4798484 DOI: 10.1371/journal.pone.0151663] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 03/02/2016] [Indexed: 11/18/2022] Open
Abstract
PURPOSE It has been implied that the collagen binding integrin α11β1 plays a role in carcinogenesis. As still relatively little is known about how the stromal integrin α11β1 affects different aspects of tumor development, we wanted to examine the direct effects on primary tumor growth, fibrosis, tumor interstitial fluid pressure (PIF) and metastasis in murine 4T1 mammary and RM11 prostate tumors, using an in vivo SCID integrin α11-deficient mouse model. METHODS Tumor growth was measured using a caliper, PIF by the wick-in-needle technique, activated fibroblasts by α-SMA immunofluorescence staining and fibrosis by transmission electron microscopy and picrosirius-red staining. Metastases were evaluated using hematoxylin and eosin stained sections. RESULTS RM11 tumor growth was significantly reduced in the SCID integrin α11-deficient (α11-KO) compared to in SCID integrin α11 wild type (WT) mice, whereas there was no similar effect in the 4T1 tumor model. The 4T1 model demonstrated an alteration in collagen fibril diameter in the integrin α11-KO mice compared to WT, which was not found in the RM11 model. There were no significant differences in the amount of activated fibroblasts, total collagen content, collagen organization or PIF in the tumors in integrin α11-deficient mice compared to WT mice. There was also no difference in lung metastases between the two groups. CONCLUSION Deficiency of stromal integrin α11β1 showed different effects on tumor growth and collagen fibril diameter depending on tumor type, but no effect on tumor PIF or development of lung metastasis.
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Affiliation(s)
- Inga Reigstad
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Matrix biology group, Haukeland University Hospital, Bergen, Norway
- * E-mail:
| | - Hilde Y. H. Smeland
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Center of Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Trude Skogstrand
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Matrix biology group, Haukeland University Hospital, Bergen, Norway
| | - Kristina Sortland
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Matrix biology group, Haukeland University Hospital, Bergen, Norway
| | - Marei Caroline Schmid
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Center of Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Rolf K. Reed
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Center of Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Linda Stuhr
- Department of Biomedicine, University of Bergen, Bergen, Norway
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23
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Zeltz C, Gullberg D. The integrin-collagen connection--a glue for tissue repair? J Cell Sci 2016; 129:653-64. [PMID: 26857815 DOI: 10.1242/jcs.180992] [Citation(s) in RCA: 116] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The α1β1, α2β1, α10β1 and α11β1 integrins constitute a subset of the integrin family with affinity for GFOGER-like sequences in collagens. Integrins α1β1 and α2β1 were originally identified on a subset of activated T-cells, and have since been found to be expressed on a number of cell types including platelets (α2β1), vascular cells (α1β1, α2β1), epithelial cells (α1β1, α2β1) and fibroblasts (α1β1, α2β1). Integrin α10β1 shows a distribution that is restricted to mesenchymal stem cells and chondrocytes, whereas integrin α11β1 appears restricted to mesenchymal stem cells and subsets of fibroblasts. The bulk of the current literature suggests that collagen-binding integrins only have a limited role in adult connective tissue homeostasis, partly due to a limited availability of cell-binding sites in the mature fibrillar collagen matrices. However, some recent data suggest that, instead, they are more crucial for dynamic connective tissue remodeling events--such as wound healing--where they might act specifically to remodel and restore the tissue architecture. This Commentary discusses the recent development in the field of collagen-binding integrins, their roles in physiological and pathological settings with special emphasis on wound healing, fibrosis and tumor-stroma interactions, and include a discussion of the most recently identified newcomers to this subfamily--integrins α10β1 and α11β1.
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Affiliation(s)
- Cédric Zeltz
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, Bergen N-5009, Norway
| | - Donald Gullberg
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, Bergen N-5009, Norway
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Karaglani M, Toumpoulis I, Goutas N, Poumpouridou N, Vlachodimitropoulos D, Vasilaros S, Rizos I, Kroupis C. Development of novel real-time PCR methodology for quantification of COL11A1 mRNA variants and evaluation in breast cancer tissue specimens. BMC Cancer 2015; 15:694. [PMID: 26466668 PMCID: PMC4606509 DOI: 10.1186/s12885-015-1725-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 10/08/2015] [Indexed: 12/26/2022] Open
Abstract
Background Collagen XI is a key structural component of the extracellular matrix and consists of three alpha chains. One of these chains, the α1 (XI), is encoded by the COL11A1 gene and is transcribed to four different variants at least (A, B, C and E) that differ in the propensity to N-terminal domain proteolysis and potentially in the way the extracellular matrix is arranged. This could affect the ability of tumor cells to invade the remodeled stroma and metastasize. No study in the literature has so far investigated the expression of these four variants in breast cancer nor does a method for their accurate quantitative detection exist. Methods We developed a conventional PCR for the general detection of the general COL11A1 transcript and real-time qPCR methodologies with dual hybridization probes in the LightCycler platform for the quantitative determination of the variants. Data from 90 breast cancer tissues with known histopathological features were collected. Results The general COL11A1 transcript was detected in all samples. The developed methodologies for each variant were rapid as well as reproducible, sensitive and specific. Variant A was detected in 30 samples (33 %) and variant E in 62 samples (69 %). Variants B and C were not detected at all. A statistically significant correlation was observed between the presence of variant E and lymph nodes involvement (p = 0.037) and metastasis (p = 0.041). Conclusions With the newly developed tools, the possibility of inclusion of COL11A1 variants as prognostic biomarkers in emerging multiparameter technologies examining tissue RNA expression should be further explored. Electronic supplementary material The online version of this article (doi:10.1186/s12885-015-1725-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Makrina Karaglani
- Department of Clinical Biochemistry and Molecular Diagnostics, Attikon University General Hospital, University of Athens Medical School, Rimini 1 St., Haidari, 12462, Greece.
| | - Ioannis Toumpoulis
- Department of Cardiothoracic Surgery, Attikon University General Hospital, University of Athens Medical School, Athens, Greece.
| | - Nikolaos Goutas
- Pathologic Anatomy Laboratory, Evgenidio Hospital, University of Athens Medical School, Athens, Greece.
| | - Nikoleta Poumpouridou
- Department of Clinical Biochemistry and Molecular Diagnostics, Attikon University General Hospital, University of Athens Medical School, Rimini 1 St., Haidari, 12462, Greece.
| | | | | | - Ioannis Rizos
- Department of Cardiology, Attikon University General Hospital, University of Athens Medical School, Athens, Greece.
| | - Christos Kroupis
- Department of Clinical Biochemistry and Molecular Diagnostics, Attikon University General Hospital, University of Athens Medical School, Rimini 1 St., Haidari, 12462, Greece.
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Mirzapoiazova T, Mambetsariev N, Lennon FE, Mambetsariev B, Berlind JE, Salgia R, Singleton PA. HABP2 is a Novel Regulator of Hyaluronan-Mediated Human Lung Cancer Progression. Front Oncol 2015; 5:164. [PMID: 26258071 PMCID: PMC4508840 DOI: 10.3389/fonc.2015.00164] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 07/06/2015] [Indexed: 01/08/2023] Open
Abstract
Background Lung cancer is a devastating disease with limited treatment options. Many lung cancers have changes in their microenvironment including upregulation of the extracellular matrix glycosaminoglycan, hyaluronan (HA), which we have previously demonstrated can regulate the activity of the extracellular serine protease, hyaluronan binding protein 2 (HABP2). This study examined the functional role of HABP2 on HA-mediated human lung cancer dynamics. Methods Immunohistochemical analysis was performed on lung cancer patient samples using anti-HABP2 antibody. Stable control, shRNA, and HABP2 overexpressing human lung adenocarcinoma cells were evaluated using immunoblot analysis, migration, extravasation, and urokinase plasminogen activator (uPA) activation assays with or without high-molecular weight HA or low-molecular weight HA (LMW-HA). In human lung cancer xenograft models, primary tumor growth rates and lung metastasis were analyzed using consecutive tumor volume measurements and nestin immunoreactivity in nude mouse lungs. Results We provide evidence that HABP2 is an important regulator of lung cancer progression. HABP2 expression was increased in several subtypes of patient non-small cell lung cancer samples. Further, HABP2 overexpression increased LMW-HA-induced uPA activation, migration, and extravasation in human lung adenocarcinoma cells. In vivo, overexpression of HABP2 in human lung adenocarcinoma cells increased primary tumor growth rates in nude mice by ~2-fold and lung metastasis by ~10-fold compared to vector control cells (n = 5/condition). Conclusion Our data suggest a possible direct effect of HABP2 on uPA activation and lung cancer progression. Our observations suggest that exploration of HABP2 in non-small cell lung carcinoma merits further study both as a diagnostic and therapeutic option.
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Affiliation(s)
- Tamara Mirzapoiazova
- Section of Pulmonary and Critical Care, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
| | - Nurbek Mambetsariev
- Section of Pulmonary and Critical Care, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
| | - Frances E Lennon
- Section of Pulmonary and Critical Care, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA ; Section of Hematology/Oncology, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
| | - Bolot Mambetsariev
- Section of Pulmonary and Critical Care, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
| | - Joshua E Berlind
- Section of Pulmonary and Critical Care, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
| | - Ravi Salgia
- Section of Hematology/Oncology, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
| | - Patrick A Singleton
- Section of Pulmonary and Critical Care, Department of Medicine, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA ; Department of Anesthesia and Critical Care, Pritzker School of Medicine, The University of Chicago , Chicago, IL , USA
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Integrin α11β1 regulates cancer stromal stiffness and promotes tumorigenicity and metastasis in non-small cell lung cancer. Oncogene 2015; 35:1899-908. [PMID: 26148229 PMCID: PMC4833874 DOI: 10.1038/onc.2015.254] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 04/23/2015] [Accepted: 05/29/2015] [Indexed: 12/18/2022]
Abstract
Integrin α11β1 is a stromal cell-specific receptor for fibrillar collagens and is overexpressed in carcinoma-associated fibroblasts (CAFs). We have investigated its direct role in cancer progression by generating severe combined immune deficient (SCID) mice deficient in integrin α11 (α11) expression. The growth of A549 lung adenocarcinoma cells and two patient-derived non-small cell lung carcinoma (NSCLC) xenografts in these α11 knockout (α11−/−) mice was significantly impeded, as compared with wild-type (α11+/+) SCID mice. Orthotopic implantation of a spontaneously metastatic NCI-H460SM cell line into the lungs of α11−/− and α11+/+ mice showed significant reduction in the metastatic potential of these cells in the α11−/− mice. We identified that collagen cross-linking is associated with stromal α11 expression, and the loss of tumor stromal α11 expression was correlated with decreased collagen reorganization and stiffness. This study shows the role of integrin α11β1, a receptor for fibrillar collagen in differentiation of fibroblasts into CAFs. Furthermore, our data support an important role for α11 signaling pathway in CAFs, promoting tumor growth and metastatic potential of NSCLC cells and being closely associated with collagen cross-linking and the organization and stiffness of fibrillar collagen matrices.
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Tian ZQ, Li ZH, Wen SW, Zhang YF, Li Y, Cheng JG, Wang GY. Identification of Commonly Dysregulated Genes in Non-small-cell Lung Cancer by Integrated Analysis of Microarray Data and qRT-PCR Validation. Lung 2015; 193:583-92. [PMID: 25851596 DOI: 10.1007/s00408-015-9726-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 03/26/2015] [Indexed: 01/08/2023]
Abstract
BACKGROUND Non-small-cell lung cancer (NSCLC), the most common lung cancer, leads to the largest number of cancer-related deaths worldwide. There are many studies to identify the differentially expressed genes (DEGs) between NSCLC and normal control (NC) tissues by means of microarray technology. Because of the inconsistency of the microarray data sets, we performed an integrated analysis to identify DEGs and analyzed their biological function. METHODS AND RESULTS We combined 15 microarray data sets and identified 1063 DEGs between NSCLC and NC tissues; in addition, we found that the DEGs were enriched in regulation of cell proliferation process and focal adhesion signaling pathway. The protein-protein interaction network analysis for the top 20 significantly DEGs revealed that CAV1, COL1A1, and ADRB2 were the significant hub proteins. Finally, we employed qRT-PCR to validate the meta-analysis approach by determining the expression of the top 10 most significantly DEGs and found that the expression of these genes were significantly different between tumor and NC tissues, in accordance with the results of meta-analysis. CONCLUSION qRT-PCR results indicated that the meta-analysis approach in our study was acceptable. Our data suggested that some of the DEGs, including MMP12, COL11A1, THBS2, FAP, and CAV1, may participate in the pathology of NSCLC and could be applied as potential markers or therapeutic targets for NSCLC.
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Affiliation(s)
- Zi-Qiang Tian
- Department of Thoracic Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011, China
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Vázquez-Villa F, García-Ocaña M, Galván JA, García-Martínez J, García-Pravia C, Menéndez-Rodríguez P, González-del Rey C, Barneo-Serra L, de Los Toyos JR. COL11A1/(pro)collagen 11A1 expression is a remarkable biomarker of human invasive carcinoma-associated stromal cells and carcinoma progression. Tumour Biol 2015; 36:2213-22. [PMID: 25761876 DOI: 10.1007/s13277-015-3295-4] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 02/27/2015] [Indexed: 12/14/2022] Open
Abstract
The COL11A1 human gene codes for the α1 chain of procollagen 11A1 and mature collagen 11A1, an extracellular minor fibrillar collagen. Under regular conditions, this gene and its derived products are mainly expressed by chondrocytes and mesenchymal stem cells as well as osteoblasts. Normal epithelial cells and quiescent fibroblasts from diverse locations do not express them. Mesenchyme-derived tumors and related conditions, such as scleroderma and keloids, are positive for COL11A1/(pro)collagen 11A1 expression, as well as high-grade human gliomas/glioblastomas. This expression is almost absent in benign pathological processes such as breast hyperplasia, sclerosing adenosis, idiopathic pulmonary fibrosis, cirrhosis, pancreatitis, diverticulitis, and inflammatory bowel disease. By contrast, COL11A1/(pro)collagen 11A1 is highly expressed by activated stromal cells of the desmoplastic reaction of different human invasive carcinomas, and this expression is correlated with carcinoma aggressiveness and progression, and lymph node metastasis. COL11A1 upregulation has been shown to be associated to TGF-β1, Wnt, and Hh signaling pathways, which are especially active in cancer-associated stromal cells. At the front of invasive carcinomas, neoplastic epithelial cells, putatively undergoing epithelial-to-mesenchymal transition, and carcinoma-derived cells with highly metastatic capabilities, can express COL11A1. Thus, in established metastases, the expression of COL11A1/(pro)collagen 11A1 could rely on both the metastatic epithelial cells and/or the accompanying activated stromal cells. COL11A1/(pro)collagen 11A1 expression is a remarkable biomarker of human carcinoma-associated stromal cells and carcinoma progression.
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Affiliation(s)
- Fernando Vázquez-Villa
- Surgery Department, School of Medicine and Health Sciences, University of Oviedo, 33006, Oviedo, Spain
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Galván JA, García-Martínez J, Vázquez-Villa F, García-Ocaña M, García-Pravia C, Menéndez-Rodríguez P, González-del Rey C, Barneo-Serra L, de los Toyos JR. Validation of COL11A1/procollagen 11A1 expression in TGF-β1-activated immortalised human mesenchymal cells and in stromal cells of human colon adenocarcinoma. BMC Cancer 2014; 14:867. [PMID: 25417197 PMCID: PMC4246482 DOI: 10.1186/1471-2407-14-867] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 11/12/2014] [Indexed: 01/23/2023] Open
Abstract
Background The human COL11A1 gene has been shown to be up-regulated in stromal cells of colorectal tumours, but, so far, the immunodetection of procollagen 11A1, the primary protein product of COL11A1, has not been studied in detail in human colon adenocarcinomas. Some cancer-associated stromal cells seem to be derived from bone marrow mesenchymal cells; the expression of the COL11A1 gene and the parallel immunodetection of procollagen 11A1 have not been evaluated in these latter cells, either. Methods We used quantitative RT-PCR and/or immunocytochemistry to study the expression of DES/desmin, VIM/vimentin, ACTA2/αSMA (alpha smooth muscle actin) and COL11A1/procollagen 11A1 in HCT 116 human colorectal adenocarcinoma cells, in immortalised human bone marrow mesenchymal cells and in human colon adenocarcinoma-derived cultured stromal cells. The immunodetection of procollagen 11A1 was performed with the new recently described DMTX1/1E8.33 mouse monoclonal antibody. Human colon adenocarcinomas and non-malignant colon tissues were evaluated by immunohistochemistry as well. Statistical associations were sought between anti-procollagen 11A1 immunoscoring and patient clinicopathological features. Results Procollagen 11A1 was immunodetected in human bone marrow mesenchymal cells and in human colon adenocarcinoma-associated spindle-shaped stromal cells but not in colon epithelial or stromal cells of the normal colon. This immunodetection paralleled, in both kinds of cells, that of the other mesenchymal-related biomarkers studied: vimentin and alpha smooth muscle actin, but not desmin. Thus, procollagen 11A1+ adenocarcinoma-associated stromal cells are similar to “activated myofibroblasts”. In the series of human colon adenocarcinomas here studied, a high procollagen 11A1 expression was associated with nodal involvement (p = 0.05), the development of distant metastases (p = 0.017), and advanced Dukes stages (p = 0.047). Conclusion The immunodetection of procollagen 11A1 in cancer-associated stromal cells could be a useful biomarker for human colon adenocarcinoma characterisation. Electronic supplementary material The online version of this article (doi:10.1186/1471-2407-14-867) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Juan R de los Toyos
- Oncology University Institute of the Principality of Asturias (IUOPA), 33006 Oviedo, Spain.
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Schmitt C, Kail D, Mariano M, Empting M, Weber N, Paul T, Hartmann RW, Engel M. Design and synthesis of a library of lead-like 2,4-bisheterocyclic substituted thiophenes as selective Dyrk/Clk inhibitors. PLoS One 2014; 9:e87851. [PMID: 24676346 PMCID: PMC3968014 DOI: 10.1371/journal.pone.0087851] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Accepted: 01/02/2014] [Indexed: 12/31/2022] Open
Abstract
The Dyrk family of protein kinases is implicated in the pathogenesis of several diseases, including cancer and neurodegeneration. Pharmacological inhibitors were mainly described for Dyrk1A so far, but in fewer cases for Dyrk1B, Dyrk2 or other isoforms. Herein, we report the development and optimization of 2,4-bisheterocyclic substituted thiophenes as a novel class of Dyrk inhibitors. The optimized hit compounds displayed favorable pharmacokinetic properties and high ligand efficiencies, and inhibited Dyrk1B in intact cells. In a larger selectivity screen, only Clk1 and Clk4 were identified as additional targets of compound 48, but no other kinases frequently reported as off-targets. Interestingly, Dyrk1A is implicated in the regulation of alternative splicing, a function shared with Clk1/Clk4; thus, some of the dual inhibitors might be useful as efficient splicing modulators. A further compound (29) inhibited Dyrk1A and 1B with an IC50 of 130 nM, showing a moderate selectivity over Dyrk2. Since penetration of the central nervous system (CNS) seems possible based on the physicochemical properties, this compound might serve as a lead for the development of potential therapeutic agents against glioblastoma. Furthermore, an inhibitor selective for Dyrk2 (24) was also identified, which might be are suitable as a pharmacological tool to dissect Dyrk2 isoform-mediated functions.
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Affiliation(s)
- Christian Schmitt
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | | | - Marica Mariano
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Martin Empting
- Department of Drug Design and Optimization, Helmholtz-Institut für Pharmazeutische Forschung Saarland, Saarbrücken, Germany
| | - Nadja Weber
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Tamara Paul
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Rolf W. Hartmann
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
- Department of Drug Design and Optimization, Helmholtz-Institut für Pharmazeutische Forschung Saarland, Saarbrücken, Germany
| | - Matthias Engel
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
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Mauerer A, Lange B, Welsch GH, Heidenau F, Adler W, Forst R, Richter RH. Release of Cu2+ from a copper-filled TiO2 coating in a rabbit model for total knee arthroplasty. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:813-821. [PMID: 24343105 DOI: 10.1007/s10856-013-5116-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Accepted: 11/29/2013] [Indexed: 06/03/2023]
Abstract
The aim of this study was the investigation of a copper-filled TiO2 coating, that in vitro showed good antibacterial properties combined with good tissue tolerance in an animal model. To better understand the antibacterial mechanism of the bioactive coating the release of copper (Cu) ions over time was monitored to be able to detect possible threats as well as possible fields of application. 30 New Zealand White rabbits were divided into two groups with 15 animals per group. In group 1 (control group) Ti6Al4 V bolts were implanted into the distal femur, in group 2 the Ti6Al4 V bolts were coated with four TiO2-coatings with integrated Cu(2+)-ions (4 × Cu-TiO2). Blood tests were performed weekly until the animals were sacrificed 4 weeks postoperative. The maximum peak of Cu and ceruloplasmin concentration could be seen in both groups one week postoperative, whereas the Cu values in group II were significantly higher. The Cu concentration in both groups approximated the initial basic values 4 weeks postoperative. The 4 × Cu-TiO2 coating tested in our rabbit model for total knee arthroplasty is an active coating that releases potentially antibacterial Cu(2+) for 4 weeks with a peak 1 week postoperative. The bioactive coating could be a promising approach for a use in the field of implant related infection, orthopaedic revision and tumor surgery in the future.
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Affiliation(s)
- Andreas Mauerer
- Department of Orthopaedic Trauma Surgery, University Hospital Erlangen, Krankenhausstr. 12, 91054, Erlangen, Germany,
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Abstract
Reciprocal interactions between tumor and stromal cells propel cancer progression and metastasis. A complete understanding of the complex contributions of the tumor stroma to cancer progression necessitates a careful examination of the extracellular matrix (ECM), which is largely synthesized and modulated by cancer-associated fibroblasts. This structurally supportive meshwork serves as a signaling scaffold for a myriad of biologic processes and responses favoring tumor progression. The ECM is a repository for growth factors and cytokines that promote tumor growth, proliferation, and metastasis through diverse interactions with soluble and insoluble ECM components. Growth factors activated by proteases are involved in the initiation of cell signaling pathways essential to invasion and survival. Various transmembrane proteins produced by the cancer stroma bind the collagen and fibronectin-rich matrix to induce proliferation, adhesion, and migration of cancer cells, as well as protease activation. Integrins are critical liaisons between tumor cells and the surrounding stroma, and with their mechano-sensing ability, induce cell signaling pathways associated with contractility and migration. Proteoglycans also bind and interact with various matrix proteins in the tumor microenvironment to promote cancer progression. Together, these components function to mediate cross-talk between tumor cells and fibroblasts ultimately to promote tumor survival and metastasis. These stromal factors, which may be expressed differentially according to cancer stage, have prognostic utility and potential. This review examines changes in the ECM of cancer-associated fibroblasts induced through carcinogenesis, and the impact of these changes on cancer progression. The implication is that cancer progression, even in epithelial cancers, may be based in large part on changes in signaling from cancer-associated stromal cells. These changes may provide early prognostic indicators to further stratify patients during treatment or alter the timing of their follow-up visits and observations.
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Affiliation(s)
- Fayth L Miles
- Center for Translational Cancer Research, University of Delaware, 326 Wolf Hall, Biology, Newark, DE 19716.
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Ganini D, Canistro D, Jang J, Stadler K, Mason RP, Kadiiska MB. Ceruloplasmin (ferroxidase) oxidizes hydroxylamine probes: deceptive implications for free radical detection. Free Radic Biol Med 2012; 53:1514-21. [PMID: 22824865 PMCID: PMC3448871 DOI: 10.1016/j.freeradbiomed.2012.07.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2012] [Revised: 06/22/2012] [Accepted: 07/16/2012] [Indexed: 11/25/2022]
Abstract
Ceruloplasmin (ferroxidase) is a copper-binding protein known to promote Fe(2+) oxidation in plasma of mammals. In addition to its classical ferroxidase activity, ceruloplasmin is known to catalyze the oxidation of various substrates, such as amines and catechols. Assays based on cyclic hydroxylamine oxidation are used to quantify and detect free radicals in biological samples ex vivo and in vitro. We show here that human ceruloplasmin promotes the oxidation of the cyclic hydroxylamine 1-hydroxy-3-carboxy-2,2,5,5-tetramethylpyrrolidine hydrochloride (CPH) and related probes in Chelex-treated phosphate buffer and rat serum. The reaction is suppressed by the metal chelators DTPA, EDTA, and desferal, whereas heparin and bathocuproine have no effect. Catalase or superoxide dismutase additions do not interfere with the CPH-oxidation yield, demonstrating that oxygen-derived free radicals are not involved in the CPH oxidation mediated by ceruloplasmin. Plasma samples immunodepleted of ceruloplasmin have lower levels of CPH oxidation, which confirms the role of ceruloplasmin (ferroxidase) as a biological oxidizing agent of cyclic hydroxylamines. In conclusion, we show that the ferroxidase activity of ceruloplasmin is a possible biological source of artifacts in the cyclic hydroxylamine-oxidation assay used for reactive oxygen species detection and quantification.
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Affiliation(s)
- Douglas Ganini
- Free Radical Metabolism Section, Laboratory of Toxicology and Pharmacology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Donatella Canistro
- Department of Pharmacology, Molecular Toxicology Unit, Alma Mater Studiorum-University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - JinJie Jang
- Free Radical Metabolism Section, Laboratory of Toxicology and Pharmacology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Krisztian Stadler
- Oxidative Stress and Disease Laboratory, Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA 70808, USA
| | - Ronald P. Mason
- Free Radical Metabolism Section, Laboratory of Toxicology and Pharmacology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Maria B. Kadiiska
- Free Radical Metabolism Section, Laboratory of Toxicology and Pharmacology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
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Mahalingam D, Kong CM, Lai J, Tay LL, Yang H, Wang X. Reversal of aberrant cancer methylome and transcriptome upon direct reprogramming of lung cancer cells. Sci Rep 2012; 2:592. [PMID: 22912920 PMCID: PMC3423637 DOI: 10.1038/srep00592] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Accepted: 08/06/2012] [Indexed: 11/09/2022] Open
Abstract
Recent reports on direct reprogramming of cancer cells (iPCs) which results in reduced tumorigenic potential has attributed the importance of epigenetics in tumorigenesis, but lacked genome-wide analysis. Here we describe successful generation of iPCs from non-small cell lung cancer (NSCLC) cell lines. Following reprogramming, they resembled embryonic stem and induced pluripotent stem cells in pluripotency markers expression, gene expression patterns and in vitro differentiation ability. Genome-wide methylation analysis revealed that aberrantly methylated promoters which were mostly developmental-associated genes and tumor suppressors; as well as commonly upregulated genes in NSCLC i.e. KRT19 and S100P were reversed in iPCs upon reprogramming. Also, the reversal of oncogenes and tumor suppressors status were partially explainable by DNA methylation. These findings suggest that DNA methylation patterns explain the downstream transcriptional effects, which potentially caused the reduced tumorigenicity in iPCs, thus providing evidence that reprogramming reverses the aberrantly dysregulated genes in NSCLC both epigenetically and transcriptionally.
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Affiliation(s)
- Dashayini Mahalingam
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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Genome-scale analysis of DNA methylation in lung adenocarcinoma and integration with mRNA expression. Genome Res 2012; 22:1197-211. [PMID: 22613842 PMCID: PMC3396362 DOI: 10.1101/gr.132662.111] [Citation(s) in RCA: 395] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Lung cancer is the leading cause of cancer death worldwide, and adenocarcinoma is its most common histological subtype. Clinical and molecular evidence indicates that lung adenocarcinoma is a heterogeneous disease, which has important implications for treatment. Here we performed genome-scale DNA methylation profiling using the Illumina Infinium HumanMethylation27 platform on 59 matched lung adenocarcinoma/non-tumor lung pairs, with genome-scale verification on an independent set of tissues. We identified 766 genes showing altered DNA methylation between tumors and non-tumor lung. By integrating DNA methylation and mRNA expression data, we identified 164 hypermethylated genes showing concurrent down-regulation, and 57 hypomethylated genes showing increased expression. Integrated pathways analysis indicates that these genes are involved in cell differentiation, epithelial to mesenchymal transition, RAS and WNT signaling pathways, and cell cycle regulation, among others. Comparison of DNA methylation profiles between lung adenocarcinomas of current and never-smokers showed modest differences, identifying only LGALS4 as significantly hypermethylated and down-regulated in smokers. LGALS4, encoding a galactoside-binding protein involved in cell–cell and cell–matrix interactions, was recently shown to be a tumor suppressor in colorectal cancer. Unsupervised analysis of the DNA methylation data identified two tumor subgroups, one of which showed increased DNA methylation and was significantly associated with KRAS mutation and to a lesser extent, with smoking. Our analysis lays the groundwork for further molecular studies of lung adenocarcinoma by identifying novel epigenetically deregulated genes potentially involved in lung adenocarcinoma development/progression, and by describing an epigenetic subgroup of lung adenocarcinoma associated with characteristic molecular alterations.
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Park HJ, Choe BK, Kim SK, Park HK, Kim JW, Chung JH, Hong IK, Chung DH, Kwon KH. Association between collagen type XI α1 gene polymorphisms and papillary thyroid cancer in a Korean population. Exp Ther Med 2011; 2:1111-1116. [PMID: 22977629 DOI: 10.3892/etm.2011.318] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 07/12/2011] [Indexed: 11/06/2022] Open
Abstract
Collagen type XI α1 (COL11A1) gene overexpression has been implicated as a candidate marker of various types of cancers. In this study, we investigated whether coding region single nucleotide polymorphisms (cSNPs) of the COL11A1 gene are associated with papillary thyroid cancer (PTC) in a Korean population. Four cSNPs [rs12731843 (Lys276Asn), rs3753841 (Pro1335Leu), rs1763347 (Gly1516Gly) and rs2229783 (Ile1602Ile)] were genotyped using direct sequencing in 98 PTC patients and 366 control subjects. Logistic regression analysis for each cSNP revealed an association between rs1763347 and PTC in a dominant model [CT/TT vs. CC, p=0.0042, odds ratio (OR)=0.50, 95% confidential interval (CI) 0.31-0.81]. Analysis of allelic frequency showed that the T alleles of rs1763347 and rs2229783 were significantly associated with reduced risk of PTC (p=0.010, OR=0.61, 95% CI 0.42-0.89 in rs1763347; p=0.007, OR=0.62, 95% CI 0.44-0.88 in rs2229783). Additionally, in the analysis of haplotype, the CC haplotype consisting of rs1763347 and rs2229783 was associated with PTC in codominant (p=0.011, OR=1.56, 95% CI 1.11-2.21) and recessive models (p=0.020, OR=1.70, 95% CI 1.09-2.66). The TT haplotype was also associated with PTC in a codominant model (p=0.006, OR=0.58, 95% CI 0.39-0.88). The frequency of the CC haplotype was higher in the PTC patients (0.71) compared to the control subjects (0.61), whereas the frequency of the TT haplotype was lower in the PTC patients (0.20 and 0.30 in PTC patients and control subjects, respectively). The results suggest that the COL11A1 gene may be associated with PTC and, in particular, that the T allele of rs1763347 and rs2229783 may contribute to a reduced risk of PTC.
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Halfon S, Abramov N, Grinblat B, Ginis I. Markers distinguishing mesenchymal stem cells from fibroblasts are downregulated with passaging. Stem Cells Dev 2010; 20:53-66. [PMID: 20528146 DOI: 10.1089/scd.2010.0040] [Citation(s) in RCA: 246] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Expansion of plastic-adherent bone marrow-derived mesenchymal stem cells (MSCs) results in gradual loss of osteogenic potential after passage 5-6. One explanation is contamination of MSC cultures with mature cells including fibroblasts. Identification and elimination of fibroblasts from MSC cultures could improve MSC yield and differentiation potential and also prevent tumor formation after MSC transplantation. However, no specific markers currently exist that can reliably discriminate between MSCs and fibroblasts. Flow cytometry analysis demonstrated that markers currently used to define MSCs, such as CD105, CD166, CD90, CD44, CD29, CD73, and CD9, are also expressed on human skin or lung fibroblasts. However, the level of expression of CD166 was significantly higher and that of CD9 was significantly lower in MSCs than in fibroblasts. CD146 was expressed only in MSCs. Using small focused microarrays, new markers differentially expressed in MSCs and fibroblasts were identified. Real-time polymerase chain reaction confirmed that expression of CD106, integrin alpha 11, and insulin-like growth factor-2 in MSCs was at least 10-fold higher than in fibroblasts; whereas expression of matrix metalloproteinase 1 and matrix metalloproteinase 3 was almost 100-fold lower. Flow cytometry and immunostaining demonstrated that CD106 protein expression on cell surface could be upregulated in MSCs but not in fibroblasts by the treatment with tumor necrosis factor-alpha. Comparison of surface expression of commonly used and newly identified MSC markers in MSCs cultures of passage 2 and passage 6 demonstrated that CD106 (with and without tumor necrosis factor-alpha treatment), integrin alpha 11, and CD146 were downregulated in MSCs of passage 6, and CD9 was upregulated; whereas all other markers did not change. Newly identified markers that have robust differences of expression in MSCs and fibroblasts on gene and protein level could be used for quality control of MSC cultures after expansion, cryopreservation, gene transfection, and other manipulations.
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Mefford D, Mefford JA. Enumerating the gene sets in breast cancer, a "direct" alternative to hierarchical clustering. BMC Genomics 2010; 11:482. [PMID: 20731868 PMCID: PMC2996978 DOI: 10.1186/1471-2164-11-482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Accepted: 08/23/2010] [Indexed: 11/10/2022] Open
Abstract
Background Two-way hierarchical clustering, with results visualized as heatmaps, has served as the method of choice for exploring structure in large matrices of expression data since the advent of microarrays. While it has delivered important insights, including a typology of breast cancer subtypes, it suffers from instability in the face of gene or sample selection, and an inability to detect small sets that may be dominated by larger sets such as the estrogen-related genes in breast cancer. The rank-based partitioning algorithm introduced in this paper addresses several of these limitations. It delivers results comparable to two-way hierarchical clustering, and much more. Applied systematically across a range of parameter settings, it enumerates all the partition-inducing gene sets in a matrix of expression values. Results Applied to four large breast cancer datasets, this alternative exploratory method detects more than thirty sets of co-regulated genes, many of which are conserved across experiments and across platforms. Many of these sets are readily identified in biological terms, e.g., "estrogen", "erbb2", and 8p11-12, and several are clinically significant as prognostic of either increased survival ("adipose", "stromal"...) or diminished survival ("proliferation", "immune/interferon", "histone",...). Of special interest are the sets that effectively factor "immune response" and "stromal signalling". Conclusion The gene sets induced by the enumeration include many of the sets reported in the literature. In this regard these inventories confirm and consolidate findings from microarray-based work on breast cancer over the last decade. But, the enumerations also identify gene sets that have not been studied as of yet, some of which are prognostic of survival. The sets induced are robust, biologically meaningful, and serve to reveal a finer structure in existing breast cancer microarrays.
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Affiliation(s)
- Dwain Mefford
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California 94107, USA.
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Co-overexpression of Met and hepatocyte growth factor promotes systemic metastasis in NCI-H460 non-small cell lung carcinoma cells. Neoplasia 2010; 11:1292-300. [PMID: 20019837 DOI: 10.1593/neo.09622] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2009] [Revised: 08/29/2009] [Accepted: 09/01/2009] [Indexed: 01/22/2023] Open
Abstract
Complete resection of early-stage non-small cell lung cancer (NSCLC) is potentially curative, yet approximately 50% of patients are at risk for developing metastatic recurrence. Met, the receptor for hepatocyte growth factor (HGF) is a receptor tyrosine kinase with demonstrated roles in regulating cellular proliferation, motility, morphogenesis, and apoptosis. Met receptor and its ligand, HGF, are commonly overexpressed in NSCLC, and their overexpression has been associated with poor prognosis, which could potentially involve a paracrine and/or autocrine activation loop. However, there is as yet no direct evidence that HGF-Met signaling directly promotes metastasis in NSCLC cells. Using retroviral transduction, we overexpressed the human c-met and hgf complementary DNA, alone or in combination in the NCI-H460 human large cell carcinoma cell line. The HGF/Met co-overexpressing (H460-HGF/Met) cells demonstrated enhanced tumorigenicity in xenograft SCID mice. When these cells are implanted orthotopically into the lungs of nude rats, only the H460-HGF/Met cells showed higher spontaneous metastases to distant organs including bone, brain, and kidney. These results provide evidence that autocrine overactivation of the Met- HGF loop enhances systemic metastases in NSCLC. Targeted interference of this loop may potentially be an effective adjuvant therapy to improve survival of early-stage NSCLC patients.
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Mambetsariev N, Mirzapoiazova T, Mambetsariev B, Sammani S, Lennon F, Garcia J, Singleton P. Hyaluronic Acid binding protein 2 is a novel regulator of vascular integrity. Arterioscler Thromb Vasc Biol 2010; 30:483-90. [PMID: 20042707 PMCID: PMC2825278 DOI: 10.1161/atvbaha.109.200451] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE The disruption of the endothelial cell barrier is a critical feature of inflammation and an important contributing factor to acute lung injury (ALI), an inflammatory condition that is a major cause of morbidity and mortality in critically ill patients. We evaluated the role of the extracellular serine protease, hyaluronic acid binding protein 2 (HABP2), in vascular barrier regulation. METHODS AND RESULTS By using immunoblot and immunohistochemical analysis, we observed that lipopolysaccharide (LPS) induces HABP2 expression in murine lung endothelium in vivo and in human pulmonary microvascular endothelial cells (ECs) in vitro. High-molecular-weight hyaluronan (HMW-HA, approximately 1x10(6) Da) decreased HABP2 protein expression in human pulmonary microvascular ECs and decreased purified HABP2 enzymatic activity, whereas low-molecular-weight HA (LMW-HA, approximately 2500 Da) increased these activities. The effects of LMW-HA, but not HMW-HA, on HABP2 activity were inhibited with a peptide of the polyanion-binding domain of HABP2. Silencing (small interfering RNA) HABP2 expression augmented HMW-HA-induced EC barrier enhancement and inhibited LPS and LMW-HA-mediated EC barrier disruption, results that were reversed with overexpression of HABP2. Silencing protease-activated receptor 1 and 3, RhoA, or Rho kinase expression attenuated LPS-, LMW-HA-, and HABP2-mediated EC barrier disruption. By using murine models of acute lung injury, we observed that LPS- and ventilator-induced pulmonary vascular hyperpermeability was significantly reduced with vascular silencing (small interfering RNA) of HABP2. CONCLUSIONS HABP2 negatively regulates vascular integrity via activation of protease-activated receptor/RhoA/Rho kinase signaling and represents a potentially useful therapeutic target for syndromes of increased vascular permeability.
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Affiliation(s)
- N. Mambetsariev
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
| | - T. Mirzapoiazova
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
| | - B. Mambetsariev
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
| | - S. Sammani
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
| | - F.E. Lennon
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
| | - J.G.N. Garcia
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
| | - P.A. Singleton
- Department of Medicine, Pritzker School of Medicine, University of Chicago, Chicago, IL, 60637
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Hongsachart P, Huang-Liu R, Sinchaikul S, Pan FM, Phutrakul S, Chuang YM, Yu CJ, Chen ST. Glycoproteomic analysis of WGA-bound glycoprotein biomarkers in sera from patients with lung adenocarcinoma. Electrophoresis 2009; 30:1206-20. [PMID: 19294700 DOI: 10.1002/elps.200800405] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Differential protein expression profiles in the serum samples from patients with lung adenocarcinoma may be associated with glycosylation during cancer development. In this study, we used various glycoproteomic approaches to investigate the different glycoproteomic profiles of human normal and lung adenocarcinoma serum samples and to investigate putative altered glycoprotein biomarkers. In our preliminary screening, FITC-labeled lectin staining was used for the detection of specific glycoprotein profiles. wheat germ agglutinin (WGA) lectin had the highest level of specific binding to glycoproteins in both samples. We enriched for glycoproteins in the serum samples using WGA lectin affinity and then performed co-immunoprecipitation with anti-haptoglobin and 2-DE, 2-D difference in-gel electrophoresis and MS analyses. From these analyses, we identified 39 differentially expressed proteins, including 27 up-regulated proteins and 12 down-regulated proteins. Bioinformatics tools were used to search for protein ontology, category classifications and prediction of glycosylation sites. In addition, three up-regulated glycoproteins (adiponectin, cerulolasmin and glycosylphosphatidyl-inositol-80) and two down-regulated glycoproteins (cyclin H and Fyn) that were found to be correlated with lung cancer development were validated by Western blot analysis. We suggest that these altered glycoproteins may be useful as biomarkers for lung cancer development and progression.
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Affiliation(s)
- Piyorot Hongsachart
- Institute of Biological Chemistry and Genomics Research Center, Academia Sinica, Taipei, Taiwan
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Woo GH, Takahashi M, Inoue K, Fujimoto H, Igarashi K, Kanno J, Hirose M, Nishikawa A, Shibutani M. Cellular distributions of molecules with altered expression specific to thyroid proliferative lesions developing in a rat thyroid carcinogenesis model. Cancer Sci 2009; 100:617-25. [PMID: 19298605 PMCID: PMC11159851 DOI: 10.1111/j.1349-7006.2009.01094.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2008] [Revised: 12/25/2008] [Accepted: 12/26/2008] [Indexed: 11/29/2022] Open
Abstract
To identify differentially regulated molecules related to early and late stages of tumor promotion in a rat two-stage thyroid carcinogenesis model by an antithyroid agent, sulfadimethoxine, microarray-based microdissected lesion-specific gene expression profiling was carried out. Proliferative lesions for profiling were divided into two categories: (i) focal follicular cell hyperplasias (FFCH) and adenomas (Ad) as early lesions; and (ii) carcinomas (Ca) as more advanced. In both cases, gene expression was compared with that in surrounding non-tumor follicular cells. Characteristically, upregulation of cell cycle-related genes in FFCH + Ad, downregulation of genes related to tumor suppression and transcription inhibitors of inhibitor of DNA binding (Id) family proteins in Ca, and upregulation of genes related to cell proliferation and tumor progression in common in FFCH + Ad and Ca, were detected. The immunohistochemical distributions of molecules included in the altered expression profiles were further examined. In parallel with microarray data, increased localization of ceruloplasmin, cyclin B1, and cell division cycle 2 homolog A, and decreased localization of poliovirus receptor-related 3 and Id3 were observed in all types of lesion. Although inconsistent with the microarray data, thyroglobulin immunoreactivity appeared to reduce in Ca. The results thus suggest cell cycling facilitation by induction of M-phase-promoting factor consisting of cyclin B1 and cell division cycle 2 homolog A and generation of oxidative responses as evidenced by ceruloplasmin accumulation from an early stage, as well as suppression of cell adhesion involving poliovirus receptor-related 3 and inhibition of cellular differentiation regulated by Id3. Decrease of thyroglobulin in Ca may reflect dedifferentiation with progression.
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Affiliation(s)
- Gye-Hyeong Woo
- Division of Pathology, National Institute of Health Science, Setagaya-ku, Tokyo, Japan
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Integrative genomic data mining for discovery of potential blood-borne biomarkers for early diagnosis of cancer. PLoS One 2008; 3:e3661. [PMID: 18987750 PMCID: PMC2575235 DOI: 10.1371/journal.pone.0003661] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2008] [Accepted: 10/16/2008] [Indexed: 11/19/2022] Open
Abstract
Background With the arrival of the postgenomic era, there is increasing interest in the discovery of biomarkers for the accurate diagnosis, prognosis, and early detection of cancer. Blood-borne cancer markers are favored by clinicians, because blood samples can be obtained and analyzed with relative ease. We have used a combined mining strategy based on an integrated cancer microarray platform, Oncomine, and the biomarker module of the Ingenuity Pathways Analysis (IPA) program to identify potential blood-based markers for six common human cancer types. Methodology/Principal Findings In the Oncomine platform, the genes overexpressed in cancer tissues relative to their corresponding normal tissues were filtered by Gene Ontology keywords, with the extracellular environment stipulated and a corrected Q value (false discovery rate) cut-off implemented. The identified genes were imported to the IPA biomarker module to separate out those genes encoding putative secreted or cell-surface proteins as blood-borne (blood/serum/plasma) cancer markers. The filtered potential indicators were ranked and prioritized according to normalized absolute Student t values. The retrieval of numerous marker genes that are already clinically useful or under active investigation confirmed the effectiveness of our mining strategy. To identify the biomarkers that are unique for each cancer type, the upregulated marker genes that are in common between each two tumor types across the six human tumors were also analyzed by the IPA biomarker comparison function. Conclusion/Significance The upregulated marker genes shared among the six cancer types may serve as a molecular tool to complement histopathologic examination, and the combination of the commonly upregulated and unique biomarkers may serve as differentiating markers for a specific cancer. This approach will be increasingly useful to discover diagnostic signatures as the mass of microarray data continues to grow in the ‘omics’ era.
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Abstract
Little is known about collagen XI expression in normal and malignant breast tissue. Tissue microarrays, constructed from 72 patients with breast carcinoma and matched normal tissue, were immunohistochemically stained with five antisera against isoform-specific regions of collagen alpha1(XI) N-terminal domain. Staining intensity was graded on a 0-3 scale in epithelial cytoplasm, stroma, and endothelial staining of the vasculature of each tissue core. The staining was compared to known pathologic parameters: age, tumor size, overall tumor grade, nuclear grade, tubule formation, mitotic counts, angiolymphatic invasion, node status, estrogen receptor status, progesterone receptor status, and HER-2/neu status. Estrogen and progesterone receptor status were used as a control for comparison. With antisera V1a and amino propeptide (Npp), stroma surrounding cancerous cells was found to have decreased collagen alpha1(XI) staining compared to stroma adjacent to normal epithelium (P=0.0006, P<0.0001). Collagen alpha1(XI) staining with V1a antiserum in cytoplasm of cancer cells demonstrated decreased intensity in metastasized primary tumors when compared to nonmetastasized primary tumors (P=0.009). Cytoplasmic staining with Npp antiserum in cancer demonstrated an inverse relationship to positive estrogen receptor status in cancer (P=0.012) and to progesterone receptor status (P=0.044). Stromal staining for Npp in cancerous tissue demonstrated an inverse relationship with tubule formation score (P=0.015). This is the first study to localize collagen XI within normal and malignant breast tissue. Collagen alpha1(XI) appears to be downregulated in stroma surrounding breast cancer. Detection of collagen XI in breast tissue may help predict women who have lymph node metastases.
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Tissue Factor Expression in Non-small Cell Lung Cancer: Relationship with Vascular Endothelial Growth Factor Expression, Microvascular Density, and K-ras Mutation. J Thorac Oncol 2008; 3:689-97. [DOI: 10.1097/jto.0b013e31817c1b21] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Danzeisen R, Araya M, Harrison B, Keen C, Solioz M, Thiele D, McArdle HJ. How reliable and robust are current biomarkers for copper status? Br J Nutr 2007; 98:676-83. [PMID: 17666147 DOI: 10.1017/s0007114507798951] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Cu is an essential nutrient for man, but can be toxic if intakes are too high. In sensitive populations, marginal over- or under-exposure can have detrimental effects. Malnourished children, the elderly, and pregnant or lactating females may be susceptible for Cu deficiency. Cu status and exposure in the population can currently not be easily measured, as neither plasma Cu nor plasma cuproenzymes reflect Cu status precisely. Some blood markers (such as ceruloplasmin) indicate severe Cu depletion, but do not inversely respond to Cu excess, and are not suitable to indicate marginal states. A biomarker of Cu is needed that is sensitive to small changes in Cu status, and that responds to Cu excess as well as deficiency. Such a marker will aid in monitoring Cu status in large populations, and will help to avoid chronic health effects (for example, liver damage in chronic toxicity, osteoporosis, loss of collagen stability, or increased susceptibility to infections in deficiency). The advent of high-throughput technologies has enabled us to screen for potential biomarkers in the whole proteome of a cell, not excluding markers that have no direct link to Cu. Further, this screening allows us to search for a whole group of proteins that, in combination, reflect Cu status. The present review emphasises the need to find sensitive biomarkers for Cu, examines potential markers of Cu status already available, and discusses methods to identify a novel suite of biomarkers.
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Affiliation(s)
- Ruth Danzeisen
- International Copper Association, 260 Madison Avenue (FL 16), New York, NY 10016, USA.
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Popova SN, Lundgren-Akerlund E, Wiig H, Gullberg D. Physiology and pathology of collagen receptors. Acta Physiol (Oxf) 2007; 190:179-87. [PMID: 17581134 DOI: 10.1111/j.1748-1716.2007.01718.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Just before the transition from pre-genomic to the post-genomic era, the two latest members of the mammalian integrin family were identified. These integrins, which were named alpha10beta1 and alpha11beta1, are both collagen receptors and are related. Rather than being twins, they can be regarded as close cousins. They both belong to the subfamily of integrins that contain an I-domain in the alpha subunit. This domain is also the part that endows these integrins with the capacity to bind the GFOGER sequence in collagens. In the current review, we summarize and update the current knowledge about the in vitro and in vivo functions of these integrins.
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Affiliation(s)
- S N Popova
- Department of Biomedicine, University of Bergen, Bergen, Norway
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Zhu CQ, Popova SN, Brown ERS, Barsyte-Lovejoy D, Navab R, Shih W, Li M, Lu M, Jurisica I, Penn LZ, Gullberg D, Tsao MS. Integrin alpha 11 regulates IGF2 expression in fibroblasts to enhance tumorigenicity of human non-small-cell lung cancer cells. Proc Natl Acad Sci U S A 2007; 104:11754-9. [PMID: 17600088 PMCID: PMC1913903 DOI: 10.1073/pnas.0703040104] [Citation(s) in RCA: 117] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Integrin alpha11 (ITGA11/alpha11) is localized to stromal fibroblasts and commonly overexpressed in non-small-cell lung carcinoma (NSCLC). We hypothesized that stromal alpha11 could be important for the tumorigenicity of NSCLC cells. SV40 immortalized mouse embryonic fibroblasts established from wild-type (WT) and Itga11-deficient [knockout (KO)] mice were tested for their tumorigenicity in immune-deficient mice when implanted alone or coimplanted with the A549 human lung adenocarcinoma cells. A549 coimplanted with the fibroblasts showed a markedly enhanced tumor growth rate compared with A549, WT, or KO, which alone formed only small tumors. Importantly, the growth was significantly greater for A549+WT compared with A549+KO tumors. Reexpression of human alpha11 cDNA in KO cells rescued a tumor growth rate to that comparable with the A549+WT tumors. These findings were validated in two other NSCLC cell lines, NCI-H460 and NCI-H520. Gene expression profiling indicated that IGF2 mRNA expression level was >200 times lower in A549+KO compared with A549+WT tumors. Stable short-hairpin RNA (shRNA) down-regulation of IGF2 in WT (WT(shIGF2)) fibroblasts resulted in a decreased growth rate of A549+WT(shIGF2), compared with A549+WT tumors. The results indicate that alpha11 is an important stromal factor in NSCLC and propose a paradigm for carcinoma-stromal interaction indirectly through interaction between the matrix collagen and stromal fibroblasts to stimulate cancer cell growth.
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MESH Headings
- Adenocarcinoma/genetics
- Adenocarcinoma/metabolism
- Adenocarcinoma/pathology
- Animals
- Carcinoma, Non-Small-Cell Lung/genetics
- Carcinoma, Non-Small-Cell Lung/metabolism
- Carcinoma, Non-Small-Cell Lung/pathology
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/metabolism
- Carcinoma, Squamous Cell/pathology
- Cell Line, Transformed
- Cell Line, Tumor
- Collagen/metabolism
- Extracellular Matrix/genetics
- Extracellular Matrix/metabolism
- Extracellular Matrix/pathology
- Fibroblasts/metabolism
- Gene Expression Regulation, Neoplastic/physiology
- Growth Substances/biosynthesis
- Growth Substances/genetics
- Growth Substances/physiology
- Humans
- Insulin-Like Growth Factor II
- Integrin alpha Chains/deficiency
- Integrin alpha Chains/genetics
- Integrin alpha Chains/physiology
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- Male
- Mice
- Mice, Knockout
- Mice, SCID
- Proteins/genetics
- Proteins/metabolism
- Stromal Cells/metabolism
- Stromal Cells/pathology
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Affiliation(s)
- Chang-Qi Zhu
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Svetlana N. Popova
- Department of Biomedicine, Division of Physiology, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway; and
| | - Ewan R. S. Brown
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Dalia Barsyte-Lovejoy
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Roya Navab
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Warren Shih
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Ming Li
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Ming Lu
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
| | - Igor Jurisica
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
- Departments of Medical Biophysics
- Computer Science, and
| | - Linda Z. Penn
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
- Departments of Medical Biophysics
| | - Donald Gullberg
- Department of Biomedicine, Division of Physiology, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway; and
| | - Ming-Sound Tsao
- *Ontario Cancer Institute and Princess Margaret Hospital, University Health Network, Toronto, ON, Canada M5G 2M9
- Departments of Medical Biophysics
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada M5G 2M9
- **To whom correspondence should be addressed.
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