1
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Bigos KJA, Quiles CG, Lunj S, Smith DJ, Krause M, Troost EGC, West CM, Hoskin P, Choudhury A. Tumour response to hypoxia: understanding the hypoxic tumour microenvironment to improve treatment outcome in solid tumours. Front Oncol 2024; 14:1331355. [PMID: 38352889 PMCID: PMC10861654 DOI: 10.3389/fonc.2024.1331355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/08/2024] [Indexed: 02/16/2024] Open
Abstract
Hypoxia is a common feature of solid tumours affecting their biology and response to therapy. One of the main transcription factors activated by hypoxia is hypoxia-inducible factor (HIF), which regulates the expression of genes involved in various aspects of tumourigenesis including proliferative capacity, angiogenesis, immune evasion, metabolic reprogramming, extracellular matrix (ECM) remodelling, and cell migration. This can negatively impact patient outcomes by inducing therapeutic resistance. The importance of hypoxia is clearly demonstrated by continued research into finding clinically relevant hypoxia biomarkers, and hypoxia-targeting therapies. One of the problems is the lack of clinically applicable methods of hypoxia detection, and lack of standardisation. Additionally, a lot of the methods of detecting hypoxia do not take into consideration the complexity of the hypoxic tumour microenvironment (TME). Therefore, this needs further elucidation as approximately 50% of solid tumours are hypoxic. The ECM is important component of the hypoxic TME, and is developed by both cancer associated fibroblasts (CAFs) and tumour cells. However, it is important to distinguish the different roles to develop both biomarkers and novel compounds. Fibronectin (FN), collagen (COL) and hyaluronic acid (HA) are important components of the ECM that create ECM fibres. These fibres are crosslinked by specific enzymes including lysyl oxidase (LOX) which regulates the stiffness of tumours and induces fibrosis. This is partially regulated by HIFs. The review highlights the importance of understanding the role of matrix stiffness in different solid tumours as current data shows contradictory results on the impact on therapeutic resistance. The review also indicates that further research is needed into identifying different CAF subtypes and their exact roles; with some showing pro-tumorigenic capacity and others having anti-tumorigenic roles. This has made it difficult to fully elucidate the role of CAFs within the TME. However, it is clear that this is an important area of research that requires unravelling as current strategies to target CAFs have resulted in worsened prognosis. The role of immune cells within the tumour microenvironment is also discussed as hypoxia has been associated with modulating immune cells to create an anti-tumorigenic environment. Which has led to the development of immunotherapies including PD-L1. These hypoxia-induced changes can confer resistance to conventional therapies, such as chemotherapy, radiotherapy, and immunotherapy. This review summarizes the current knowledge on the impact of hypoxia on the TME and its implications for therapy resistance. It also discusses the potential of hypoxia biomarkers as prognostic and predictive indictors of treatment response, as well as the challenges and opportunities of targeting hypoxia in clinical trials.
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Affiliation(s)
- Kamilla JA. Bigos
- Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Conrado G. Quiles
- Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Sapna Lunj
- Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Danielle J. Smith
- Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Mechthild Krause
- German Cancer Consortium (DKTK), partner site Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany
- Translational Radiooncology and Clinical Radiotherapy, Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany
- Translational Radiation Oncology, National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
- Translational Radiooncology and Clinical Radiotherapy and Image-guided High Precision Radiotherapy, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Translational Radiooncology and Clinical Radiotherapy and Image-guided High Precision Radiotherapy, Helmholtz Association / Helmholtz-Zentrum Dresden - Rossendorf (HZDR), Dresden, Germany
- School of Medicine, Technische Universitat Dresden, Dresden, Germany
| | - Esther GC. Troost
- OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany
- Translational Radiation Oncology, National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
- Translational Radiooncology and Clinical Radiotherapy and Image-guided High Precision Radiotherapy, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Translational Radiooncology and Clinical Radiotherapy and Image-guided High Precision Radiotherapy, Helmholtz Association / Helmholtz-Zentrum Dresden - Rossendorf (HZDR), Dresden, Germany
- School of Medicine, Technische Universitat Dresden, Dresden, Germany
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Institute of Radiooncology – OncoRay, Helmholtz-Zentrum Dresden-Rossendorf, Rossendorf, Germany
| | - Catharine M. West
- Division of Cancer Sciences, University of Manchester, Manchester Academic Health Science Centre, Christie Hospital, Manchester, United Kingdom
| | - Peter Hoskin
- Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
- Mount Vernon Cancer Centre, Northwood, United Kingdom
| | - Ananya Choudhury
- Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
- Christie Hospital NHS Foundation Trust, Manchester, Germany
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2
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Pourova J, Dias P, Pour M, Bittner Fialová S, Czigle S, Nagy M, Tóth J, Balázs VL, Horváth A, Csikós E, Farkas Á, Horváth G, Mladěnka P. Proposed mechanisms of action of herbal drugs and their biologically active constituents in the treatment of coughs: an overview. PeerJ 2023; 11:e16096. [PMID: 37901462 PMCID: PMC10607228 DOI: 10.7717/peerj.16096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 08/24/2023] [Indexed: 10/31/2023] Open
Abstract
Various medicinal plants find their use in cough treatment, based on traditions and long-term experience. Pharmacological principles of their action, however, are much less known. Herbal drugs usually contain a mixture of potentially active compounds, which can manifest diverse effects. Expectorant or antitussive effects, which can be accompanied by others, such as anti-inflammatory or antibacterial, are probably the most important in the treatment of coughs. The aim of this review is to summarize the current state of knowledge of the effects of medicinal plants or their constituents on cough, based on reliable pharmacological studies. First, a comprehensive description of each effect is provided in order to explain the possible mechanism of action in detail. Next, the results related to individual plants and substances are summarized and critically discussed based on pharmacological in vivo and in vitro investigation.
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Affiliation(s)
- Jana Pourova
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University Prague, Hradec Králové, Czech Republic
| | - Patricia Dias
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University Prague, Hradec Králové, Czech Republic
| | - Milan Pour
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy, Charles University Prague, Hradec Králové, Czech Republic
| | - Silvia Bittner Fialová
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Szilvia Czigle
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Milan Nagy
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Jaroslav Tóth
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University Bratislava, Bratislava, Slovak Republic
| | | | - Adrienn Horváth
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Pécs, Pécs, Hungary
| | - Eszter Csikós
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, Pécs, Hungary
| | - Ágnes Farkas
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, Pécs, Hungary
| | - Györgyi Horváth
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, Pécs, Hungary
| | - Přemysl Mladěnka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University Prague, Hradec Králové, Czech Republic
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3
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Chen Z, Han F, Du Y, Shi H, Zhou W. Hypoxic microenvironment in cancer: molecular mechanisms and therapeutic interventions. Signal Transduct Target Ther 2023; 8:70. [PMID: 36797231 PMCID: PMC9935926 DOI: 10.1038/s41392-023-01332-8] [Citation(s) in RCA: 102] [Impact Index Per Article: 102.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 12/20/2022] [Accepted: 01/18/2023] [Indexed: 02/18/2023] Open
Abstract
Having a hypoxic microenvironment is a common and salient feature of most solid tumors. Hypoxia has a profound effect on the biological behavior and malignant phenotype of cancer cells, mediates the effects of cancer chemotherapy, radiotherapy, and immunotherapy through complex mechanisms, and is closely associated with poor prognosis in various cancer patients. Accumulating studies have demonstrated that through normalization of the tumor vasculature, nanoparticle carriers and biocarriers can effectively increase the oxygen concentration in the tumor microenvironment, improve drug delivery and the efficacy of radiotherapy. They also increase infiltration of innate and adaptive anti-tumor immune cells to enhance the efficacy of immunotherapy. Furthermore, drugs targeting key genes associated with hypoxia, including hypoxia tracers, hypoxia-activated prodrugs, and drugs targeting hypoxia-inducible factors and downstream targets, can be used for visualization and quantitative analysis of tumor hypoxia and antitumor activity. However, the relationship between hypoxia and cancer is an area of research that requires further exploration. Here, we investigated the potential factors in the development of hypoxia in cancer, changes in signaling pathways that occur in cancer cells to adapt to hypoxic environments, the mechanisms of hypoxia-induced cancer immune tolerance, chemotherapeutic tolerance, and enhanced radiation tolerance, as well as the insights and applications of hypoxia in cancer therapy.
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Affiliation(s)
- Zhou Chen
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China.,The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Fangfang Han
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China.,The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yan Du
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Huaqing Shi
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Wence Zhou
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China. .,Lanzhou University Sencond Hospital, Lanzhou, Gansu, China.
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4
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Albtoush N, Petrey AC. The role of Hyaluronan synthesis and degradation in the critical respiratory illness COVID-19. Am J Physiol Cell Physiol 2022; 322:C1037-C1046. [PMID: 35442830 PMCID: PMC9126216 DOI: 10.1152/ajpcell.00071.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hyaluronan (HA) is a polysaccharide found in all tissues as an integral component of the extracellular matrix (ECM) that plays a central regulatory role in inflammation. In fact, HA matrices are increasingly considered as a barometer of inflammation. A number of proteins specifically recognize the HA structure and these interactions modify cell behavior and control the stability of the ECM. Moreover, inflamed airways are remarkably rich with HA and are associated with various inflammatory diseases including cystic fibrosis, influenza, sepsis, and more recently coronavirus disease 2019 (COVID-19). COVID-19 is a worldwide pandemic caused by a novel coronavirus called SARS-CoV-2, and infected individuals have a wide range of disease manifestations ranging from asymptomatic to severe illness. Critically ill COVID-19 patient cases are frequently complicated by development of acute respiratory distress syndrome (ARDS), which typically leads to poor outcomes with high mortality rate. In general, ARDS is characterized by poor oxygenation accompanied with severe lung inflammation, damage, and vascular leakage and has been suggested to be linked to an accumulation of HA within the airways. Here, we provide a succinct overview of known inflammatory mechanisms regulated by HA in general, and those both observed and postulated in critically ill patients with COVID-19.
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Affiliation(s)
- Nansy Albtoush
- University of Utah Molecular Medicine Program, Salt Lake City, Utah, United States
| | - Aaron C Petrey
- University of Utah Molecular Medicine Program, Salt Lake City, Utah, United States.,Division of Microbiology and Immunology, Department of Pathology, University of Utah, Salt Lake City, UT, United States
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5
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Lu Y, Xu J, Jia Z, Kong S, Qiao Y, Li L, Wu Q, Zhou Y. A near-infrared multifunctional fluorescent probe for hypoxia monitoring and tumor-targeted therapy. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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McQueen CF, Groves JT. Toxicity of the iron siderophore mycobactin J in mouse macrophages: Evidence for a hypoxia response. J Inorg Biochem 2021; 227:111669. [PMID: 34864292 DOI: 10.1016/j.jinorgbio.2021.111669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 11/07/2021] [Accepted: 11/07/2021] [Indexed: 11/25/2022]
Abstract
Mycobacterium tuberculosis, the causative agent of tuberculosis, is an obligate intracellular pathogen that lives within the phagosome of macrophages. Here we demonstrate that the siderophore mycobactin J, produced by the closely related intracellular pathogen Mycobacterium paratuberculosis, is toxic to murine macrophage cells. Its median lethal dose, 10 μM, is lower than that of the iron chelators desferrioxamine B and TrenCAM, an enterobactin analog. To determine the source of this toxicity, we conducted microarray, ELISA, and metabolite profiling experiments. The primary response is hypoxia-like, which implies iron starvation as the underlying cause of the toxicity. This observation is consistent with our recent finding that mycobactin J is a stronger iron chelator than had been inferred from previous studies. Mycobactin J is known to partition into cell membranes and hydrophobic organelles indicating that enhanced membrane penetration is also a likely factor. Thus, mycobactin J is shown to be toxic, eliciting a hypoxia-like response under physiological conditions.
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Affiliation(s)
| | - John T Groves
- Department of Chemistry, Princeton University, Princeton, NJ 08544, USA.
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7
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Pastwińska J, Walczak-Drzewiecka A, Kozłowska E, Harunari E, Ratajewski M, Dastych J. Hypoxia modulates human mast cell adhesion to hyaluronic acid. Immunol Res 2021; 70:152-160. [PMID: 34791576 PMCID: PMC8917009 DOI: 10.1007/s12026-021-09228-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/14/2021] [Indexed: 12/19/2022]
Abstract
Hypoxia is an inherent factor in the inflammatory process and is important in the regulation of some immune cell functions, including the expression of mast cell pro- and anti-inflammatory mediators. Hypoxia also influences cell adhesion to the extracellular matrix (ECM). Hyaluronic acid is one of the major components of the ECM that is involved in inflammatory and tissue regeneration processes in which mast cells play a prominent role. This prompted us to investigate the effects of hypoxia on the expression of hyaluronic acid receptors in mast cells and mast cell adhesion to this ECM component. We found that human LAD2 mast cells spontaneously adhered to hyaluronic acid in a CD44-dependent manner and that reduced oxygen concentrations inhibited or even completely abolished this adhesion process. The mechanism of hypoxia downregulation of mast cell adhesion to hyaluronic acid did not involve a decrease in CD44 expression and hyaluronidase-mediated degradation of adhesion substrates but rather conformational changes in the avidity of CD44 to hyaluronic acid. Hypoxia-mediated regulation of mast cell adhesion to extracellular matrix components might be involved in the pathogenic accumulation of mast cells observed in the course of certain diseases including rheumatoid arthritis and cancer.
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Affiliation(s)
- Joanna Pastwińska
- Laboratory of Cellular Immunology, Institute of Medical Biology, Polish Academy of Sciences, 90-364, Lodz, Poland.,Department of Experimental Immunology, Medical University of Lodz, 92-213, Lodz, Poland
| | - Aurelia Walczak-Drzewiecka
- Laboratory of Cellular Immunology, Institute of Medical Biology, Polish Academy of Sciences, 90-364, Lodz, Poland
| | - Elżbieta Kozłowska
- Department of Experimental Immunology, Medical University of Lodz, 92-213, Lodz, Poland
| | - Enjuro Harunari
- Biotechnology Research Center and Department of Biotechnology, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Marcin Ratajewski
- Laboratory of Epigenetics, Institute of Medical Biology, Polish Academy of Sciences, 90-364, Lodz, Poland
| | - Jarosław Dastych
- Laboratory of Cellular Immunology, Institute of Medical Biology, Polish Academy of Sciences, 90-364, Lodz, Poland.
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8
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Meszaros M, Kis A, Kunos L, Tarnoki AD, Tarnoki DL, Lazar Z, Bikov A. The role of hyaluronic acid and hyaluronidase-1 in obstructive sleep apnoea. Sci Rep 2020; 10:19484. [PMID: 33173090 PMCID: PMC7655850 DOI: 10.1038/s41598-020-74769-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/06/2020] [Indexed: 12/20/2022] Open
Abstract
Biological functions of hyaluronic acid (HA) depend on its molecular size. High-molecular weight HA (HMW-HA) is an important component of the endothelial wall and has anti-inflammatory and antioxidant properties. Under inflammation or hypoxia, HMW-HA is degraded by hyaluronidases, such as HYAL-1 resulting in pro-inflammatory low-molecular weight fragments. Obstructive sleep apnoea (OSA) is characterised by intermittent hypoxia and systemic inflammation. Our aim was to evaluate circulating HMW-HA and HYAL-1 in OSA. We recruited 68 patients with OSA and 40 control volunteers. After full-night sleep study blood samples were taken for HMW-HA and HYAL-1 measurements. HYAL-1 levels were significantly higher in patients with OSA compared to controls (0.59/0.31-0.88/ng/mL vs. 0.31/0.31-0.58/ng/mL; p = 0.005) after adjustment for gender, age, BMI and smoking. There was a trend for reduced HMW-HA concentrations in OSA (31.63/18.11-59.25/ng/mL vs. 46.83/25.41-89.95/ng/mL; p = 0.068). Significant correlation was detected between circulating HMW-HA and apnoea-hypopnoea-index (r = - 0.195, p = 0.043), HYAL-1 and apnoea-hypopnoea-index (r = 0.30, p < 0.01) as well as oxygen desaturation index (r = 0.26, p < 0.01). Our results suggest that chronic hypoxia is associated with increased plasma HYAL-1 concentration and accelerated HMW-HA degradation. Altered hyaluronan metabolism may be involved in the inflammatory cascade potentially leading to endothelial dysfunction in OSA.
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Affiliation(s)
- Martina Meszaros
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary.
| | - Adrian Kis
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | - Laszlo Kunos
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | | | | | - Zsofia Lazar
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | - Andras Bikov
- Manchester University NHS Foundation Trust, Manchester, M13 9WL, UK
- Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, M13 9NT, UK
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9
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A case-control study of two polymorphisms of HIF1A in children with cleft lip/palate and in their mother. JOURNAL OF SURGERY AND MEDICINE 2020. [DOI: 10.28982/josam.715142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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10
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Kadel D, Zhang Y, Sun HR, Zhao Y, Dong QZ, Qin LX. Current perspectives of cancer-associated fibroblast in therapeutic resistance: potential mechanism and future strategy. Cell Biol Toxicol 2019; 35:407-421. [PMID: 30680600 PMCID: PMC6881418 DOI: 10.1007/s10565-019-09461-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/15/2018] [Accepted: 01/03/2019] [Indexed: 12/18/2022]
Abstract
The goal of cancer eradication has been overshadowed despite the continuous improvement in research and generation of novel cancer therapeutic drugs. One of the undeniable existing problems is drug resistance due to which the paradigm of killing all cancer cells is ineffective. Tumor microenvironment plays a crucial role in inducing drug resistance besides cancer development and progression. Recently, many efforts have been devoted to understand the role of tumor microenvironment in cancer drug resistance as it provides the shelter, nutrition, and paracrine niche for cancer cells. Cancer-associated fibroblasts (CAFs), one major component of tumor microenvironment, reside in symbiotic relationship with cancer cells, supporting them to survive from cancer drugs. The present review summarizes the recent understandings in the role of CAFs in drug resistance in various tumors. Acknowledging the fact that drug resistance depends not only upon cancer cells but also upon the microenvironment niche could guide us to formulate novel cancer drugs and provide the optimal cancer treatment.
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Affiliation(s)
- Dhruba Kadel
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai, 200040, China
- Cancer Metastasis institute, Fudan University, Shanghai, 200040, China
| | - Yu Zhang
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai, 200040, China
- Cancer Metastasis institute, Fudan University, Shanghai, 200040, China
| | - Hao-Ran Sun
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai, 200040, China
- Cancer Metastasis institute, Fudan University, Shanghai, 200040, China
| | - Yue Zhao
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai, 200040, China
- Cancer Metastasis institute, Fudan University, Shanghai, 200040, China
| | - Qiong-Zhu Dong
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai, 200040, China.
- Cancer Metastasis institute, Fudan University, Shanghai, 200040, China.
- Institute of Biomedical Sciences, Fudan University, 131 Dong An Road, Shanghai, 200032, China.
| | - Lun-Xiu Qin
- Department of General Surgery, Huashan Hospital & Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai, 200040, China.
- Cancer Metastasis institute, Fudan University, Shanghai, 200040, China.
- Institute of Biomedical Sciences, Fudan University, 131 Dong An Road, Shanghai, 200032, China.
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11
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Velesiotis C, Vasileiou S, Vynios DH. A guide to hyaluronan and related enzymes in breast cancer: biological significance and diagnostic value. FEBS J 2019; 286:3057-3074. [PMID: 31018038 DOI: 10.1111/febs.14860] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 03/07/2019] [Accepted: 04/23/2019] [Indexed: 12/17/2022]
Abstract
Hyaluronan (HA) is a unique nonsulfated glycosaminoglycan that contributes to breast cancer cells growth and functional properties, including cell migration, invasion, adhesion, as well as tumor-associated angiogenesis in different stages of breast cancer progression and especially metastasis. Latest data show that the levels of HA and/or low molecular mass HA in blood serum and plasma of breast cancer patients may be a useful biomarker for breast cancer prognosis, differential diagnosis, and patients' treatment monitoring. Therefore, the qualitative and quantitative determination of HA in biological samples is an emerging area of research. This review gathers, categorizes, and sums up all the currently used methodologies to analyze HA and HA-related enzymes. The advantages, disadvantages, limitations in use, and the information they provide, are critically considered and discussed. Moreover, emphasis is given to the significance of HA determination in breast cancer, as well as of its related enzymes, for diagnosis and prognosis of this type of cancer.
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Affiliation(s)
- Christos Velesiotis
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Department of Chemistry, University of Patras, Greece
| | - Stella Vasileiou
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Department of Chemistry, University of Patras, Greece
| | - Demitrios H Vynios
- Biochemistry, Biochemical Analysis & Matrix Pathobiochemistry Research Group, Department of Chemistry, University of Patras, Greece
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12
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Zhou Y, Maiti M, Sharma A, Won M, Yu L, Miao LX, Shin J, Podder A, Bobba KN, Han J, Bhuniya S, Kim JS. Azo-based small molecular hypoxia responsive theranostic for tumor-specific imaging and therapy. J Control Release 2018; 288:14-22. [DOI: 10.1016/j.jconrel.2018.08.036] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/24/2018] [Accepted: 08/27/2018] [Indexed: 01/08/2023]
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13
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Esposito AJ, Bhatraju PK, Stapleton RD, Wurfel MM, Mikacenic C. Hyaluronic acid is associated with organ dysfunction in acute respiratory distress syndrome. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2017; 21:304. [PMID: 29237497 PMCID: PMC5729515 DOI: 10.1186/s13054-017-1895-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 11/23/2017] [Indexed: 12/11/2022]
Abstract
Background Hyaluronic acid (HA), an extracellular matrix component, is degraded in response to local tissue injury or stress. In various animal models of lung injury, HA has been shown to play a mechanistic role in modulating inflammation and injury. While HA is present in the lungs of patients with acute respiratory distress syndrome (ARDS), its relationship to patient outcomes is unknown. Methods We studied 86 patients with ARDS previously enrolled in the Phase II Randomized Trial of Fish Oil in Patients with Acute Lung Injury (NCT00351533) at five North American medical centers. We examined paired serum and bronchoalveolar lavage fluid (BALF) samples obtained within 48 hours of diagnosis of ARDS. We evaluated the association of HA levels in serum and BALF with local (lung injury score (LIS)) and systemic (sequential organ failure assessment score (SOFA)) measures of organ dysfunction with regression analysis adjusting for age, sex, race, treatment group, and risk factor for ARDS. Results We found that both day-0 circulating and alveolar levels of HA were associated with worsening LIS (p = 0.04 and p = 0.003, respectively), particularly via associations with degree of hypoxemia (p = 0.02 and p < 0.001, respectively) and set positive end-expiratory pressure (p = 0.01 and p = 0.02, respectively). Circulating HA was associated with SOFA score (p < 0.001), driven by associations with the respiratory (p = 0.02), coagulation (p < 0.001), liver (p = 0.006), and renal (p = 0.01) components. Notably, the alveolar HA levels were associated with the respiratory component of the SOFA score (p = 0.003) but not the composite SOFA score (p = 0.27). Conclusions Elevated alveolar levels of HA are associated with LIS while circulating levels are associated with both lung injury and SOFA scores. These findings suggest that HA has a potential role in both local and systemic organ dysfunction in patients with ARDS. Electronic supplementary material The online version of this article (doi:10.1186/s13054-017-1895-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anthony J Esposito
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA
| | - Pavan K Bhatraju
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA
| | - Renee D Stapleton
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Vermont College of Medicine, Burlington, VT, USA
| | - Mark M Wurfel
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA
| | - Carmen Mikacenic
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA.
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Esposito AJ, Bhatraju PK, Stapleton RD, Wurfel MM, Mikacenic C. Hyaluronic acid is associated with organ dysfunction in acute respiratory distress syndrome. CRITICAL CARE (LONDON, ENGLAND) 2017. [PMID: 29237497 DOI: 10.1186/s13054-017-1895-7.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Hyaluronic acid (HA), an extracellular matrix component, is degraded in response to local tissue injury or stress. In various animal models of lung injury, HA has been shown to play a mechanistic role in modulating inflammation and injury. While HA is present in the lungs of patients with acute respiratory distress syndrome (ARDS), its relationship to patient outcomes is unknown. METHODS We studied 86 patients with ARDS previously enrolled in the Phase II Randomized Trial of Fish Oil in Patients with Acute Lung Injury (NCT00351533) at five North American medical centers. We examined paired serum and bronchoalveolar lavage fluid (BALF) samples obtained within 48 hours of diagnosis of ARDS. We evaluated the association of HA levels in serum and BALF with local (lung injury score (LIS)) and systemic (sequential organ failure assessment score (SOFA)) measures of organ dysfunction with regression analysis adjusting for age, sex, race, treatment group, and risk factor for ARDS. RESULTS We found that both day-0 circulating and alveolar levels of HA were associated with worsening LIS (p = 0.04 and p = 0.003, respectively), particularly via associations with degree of hypoxemia (p = 0.02 and p < 0.001, respectively) and set positive end-expiratory pressure (p = 0.01 and p = 0.02, respectively). Circulating HA was associated with SOFA score (p < 0.001), driven by associations with the respiratory (p = 0.02), coagulation (p < 0.001), liver (p = 0.006), and renal (p = 0.01) components. Notably, the alveolar HA levels were associated with the respiratory component of the SOFA score (p = 0.003) but not the composite SOFA score (p = 0.27). CONCLUSIONS Elevated alveolar levels of HA are associated with LIS while circulating levels are associated with both lung injury and SOFA scores. These findings suggest that HA has a potential role in both local and systemic organ dysfunction in patients with ARDS.
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Affiliation(s)
- Anthony J Esposito
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA
| | - Pavan K Bhatraju
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA
| | - Renee D Stapleton
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Vermont College of Medicine, Burlington, VT, USA
| | - Mark M Wurfel
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA
| | - Carmen Mikacenic
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, University of Washington, 325 Ninth Avenue, Box 359640, Seattle, WA, 98104, USA.
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Amofa D, Hulin A, Nakada Y, Sadek HA, Yutzey KE. Hypoxia promotes primitive glycosaminoglycan-rich extracellular matrix composition in developing heart valves. Am J Physiol Heart Circ Physiol 2017; 313:H1143-H1154. [PMID: 28842437 PMCID: PMC5814654 DOI: 10.1152/ajpheart.00209.2017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 08/16/2017] [Accepted: 08/17/2017] [Indexed: 12/21/2022]
Abstract
During postnatal heart valve development, glycosaminoglycan (GAG)-rich valve primordia transform into stratified valve leaflets composed of GAGs, fibrillar collagen, and elastin layers accompanied by decreased cell proliferation as well as thinning and elongation. The neonatal period is characterized by the transition from a uterine environment to atmospheric O2, but the role of changing O2 levels in valve extracellular matrix (ECM) composition or morphogenesis is not well characterized. Here, we show that tissue hypoxia decreases in mouse aortic valves in the days after birth, concomitant with ECM remodeling and cell cycle arrest of valve interstitial cells. The effects of hypoxia on late embryonic valve ECM composition, Sox9 expression, and cell proliferation were examined in chicken embryo aortic valve organ cultures. Maintenance of late embryonic chicken aortic valve organ cultures in a hypoxic environment promotes GAG expression, Sox9 nuclear localization, and indicators of hyaluronan remodeling but does not affect fibrillar collagen content or cell proliferation. Chronic hypoxia also promotes GAG accumulation in murine adult heart valves in vivo. Together, these results support a role for hypoxia in maintaining a primitive GAG-rich matrix in developing heart valves before birth and also in the induction of hyaluronan remodeling in adults.NEW & NOTEWORTHY Tissue hypoxia decreases in mouse aortic valves after birth, and exposure to hypoxia promotes glycosaminoglycan accumulation in cultured chicken embryo valves and adult murine heart valves. Thus, hypoxia maintains a primitive extracellular matrix during heart valve development and promotes extracellular matrix remodeling in adult mice, as occurs in myxomatous disease.
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Affiliation(s)
- Dorothy Amofa
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Medical Center, Cincinnati Ohio; and
| | - Alexia Hulin
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Medical Center, Cincinnati Ohio; and
| | - Yuji Nakada
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Hesham A Sadek
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Katherine E Yutzey
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Medical Center, Cincinnati Ohio; and
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Ebrahimie E, Moussavi Nik SH, Newman M, Van Der Hoek M, Lardelli M. The Zebrafish Equivalent of Alzheimer's Disease-Associated PRESENILIN Isoform PS2V Regulates Inflammatory and Other Responses to Hypoxic Stress. J Alzheimers Dis 2017; 52:581-608. [PMID: 27031468 DOI: 10.3233/jad-150678] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Dominant mutations in the PRESENILIN genes PSEN1 and PSEN2 cause familial Alzheimer's disease (fAD) that usually shows onset before 65 years of age. In contrast, genetic variation at the PSEN1 and PSEN2 loci does not appear to contribute to risk for the sporadic, late onset form of the disease (sAD), leading to doubts that these genes play a role in the majority of AD cases. However, a truncated isoform of PSEN2, PS2V, is upregulated in sAD brains and is induced by hypoxia and high cholesterol intake. PS2V can increase γ-secretase activity and suppress the unfolded protein response (UPR), but detailed analysis of its function has been hindered by lack of a suitable, genetically manipulable animal model since mice and rats lack this PRESENILIN isoform. We recently showed that zebrafish possess an isoform, PS1IV, that is cognate to human PS2V. Using an antisense morpholino oligonucleotide, we can block specifically the induction of PS1IV that normally occurs under hypoxia. Here, we exploit this ability to identify gene regulatory networks that are modulated by PS1IV. When PS1IV is absent under hypoxia-like conditions, we observe changes in expression of genes controlling inflammation (particularly sAD-associated IL1B and CCR5), vascular development, the UPR, protein synthesis, calcium homeostasis, catecholamine biosynthesis, TOR signaling, and cell proliferation. Our results imply an important role for PS2V in sAD as a component of a pathological mechanism that includes hypoxia/oxidative stress and support investigation of the role of PS2V in other diseases, including schizophrenia, when these are implicated in the pathology.
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Affiliation(s)
- Esmaeil Ebrahimie
- Department of Genetics and Evolution, School of Biological Sciences, University of Adelaide, Adelaide, Australia.,School of Information Technology and Mathematical Sciences, Division of Information Technology, Engineering and the Environment, University of South Australia, Adelaide, Australia.,School of Biological Sciences, Faculty of Science and Engineering, Flinders University, Adelaide, Australia
| | - Seyyed Hani Moussavi Nik
- Department of Genetics and Evolution, School of Biological Sciences, University of Adelaide, Adelaide, Australia
| | - Morgan Newman
- Department of Genetics and Evolution, School of Biological Sciences, University of Adelaide, Adelaide, Australia
| | - Mark Van Der Hoek
- Centre for Cancer Biology, SA Pathology, Frome Road, Adelaide, Australia
| | - Michael Lardelli
- Department of Genetics and Evolution, School of Biological Sciences, University of Adelaide, Adelaide, Australia
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Crewe C, An YA, Scherer PE. The ominous triad of adipose tissue dysfunction: inflammation, fibrosis, and impaired angiogenesis. J Clin Invest 2017; 127:74-82. [PMID: 28045400 DOI: 10.1172/jci88883] [Citation(s) in RCA: 454] [Impact Index Per Article: 64.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
There are three dominant contributors to the pathogenesis of dysfunctional adipose tissue (AT) in obesity: unresolved inflammation, inappropriate extracellular matrix (ECM) remodeling and insufficient angiogenic potential. The interactions of these processes during AT expansion reflect both a linear progression as well as feed-forward mechanisms. For example, both inflammation and inadequate angiogenic remodeling can drive fibrosis, which can in turn promote migration of immune cells into adipose depots and impede further angiogenesis. Therefore, the relationship between the members of this triad is complex but important for our understanding of the pathogenesis of obesity. Here we untangle some of these intricacies to highlight the contributions of inflammation, angiogenesis, and the ECM to both "healthy" and "unhealthy" AT expansion.
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Wu RL, Huang L, Zhao HC, Geng XP. Hyaluronic acid in digestive cancers. J Cancer Res Clin Oncol 2016; 143:1-16. [DOI: 10.1007/s00432-016-2213-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Accepted: 07/27/2016] [Indexed: 01/03/2023]
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Baines A, Martin P, Rorie C. Current and Emerging Targeting Strategies for Treatment of Pancreatic Cancer. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2016; 144:277-320. [DOI: 10.1016/bs.pmbts.2016.09.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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20
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Schmaus A, Bauer J, Sleeman JP. Sugars in the microenvironment: the sticky problem of HA turnover in tumors. Cancer Metastasis Rev 2015; 33:1059-79. [PMID: 25324146 DOI: 10.1007/s10555-014-9532-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The properties and behavior of tumor cells are closely regulated by their microenvironment. Accordingly, stromal cells and extracellular matrix components can have a pronounced effect on cancer initiation, growth, and progression. The linear glycosaminoglycan hyaluronan (HA) is a major component of the extracellular matrix. Altered synthesis and degradation of HA in the tumor context has been implicated in many aspects of tumor biology. In particular, the accumulation of small HA oligosaccharides (sHA) in the tumor interstitial space may play a decisive role, due to the ability of sHA to activate a number of biological processes that are not modulated by high molecular weight (HMW)-HA. In this article, we review the normal physiological role and metabolism of HA and then survey the evidence implicating HA in tumor growth and progression, focusing in particular on the potential contribution of sHA to these processes.
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Affiliation(s)
- Anja Schmaus
- Institut für Toxikologie und Genetik, Karlsruhe Institute for Technology (KIT), Campus Nord, Postfach 3640, 76021, Karlsruhe, Germany
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Ohmoto T, Yoshitani N, Nishitsuji K, Takayama T, Yanagisawa Y, Takeya M, Sakashita N. CD44-expressing undifferentiated carcinoma with rhabdoid features of the pancreas: molecular analysis of aggressive invasion and metastasis. Pathol Int 2015; 65:264-70. [PMID: 25753521 DOI: 10.1111/pin.12283] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 02/06/2015] [Indexed: 01/20/2023]
Abstract
Carcinoma with rhabdoid features is a rare malignant tumor with a poor prognosis whose molecular mechanism for aggressive behavior is unclear. We describe an undifferentiated pancreatic carcinoma with rhabdoid features that demonstrated extensive invasion and metastasis. Examination of a 63-year-old man with back pain disclosed a retroperitoneal tumor with multiple metastases. Lymph node biopsy revealed an undifferentiated carcinoma of unknown origin. Intensive chemotherapy was ineffective; the patient died 3 months after initial symptoms. Autopsy showed that the tumor displaced the retroperitoneal space: it diffusely invaded and destroyed the pancreas and duodenum. Histology demonstrated tumor cells with eccentric vesicular nuclei, large nucleoli, juxtanuclear eosinophilic inclusions, and poor cell adhesion. Immunohistochemistry showed that tumor cells expressed cytokeratin and vimentin, and electron microscopy confirmed a perinuclear mass of intermediate fibrils and lipid droplets, which indicated an undifferentiated carcinoma with rhabdoid features. Tumor tissue contained hyaluronan; tumor cells strongly expressed CD44, matrix metalloproteinase-9, hypoxia-inducible factor-1α, hyaluronan synthase 2, and acyl-CoA:cholesterol acyltransferase 1 and had a high Ki-67(+) ratio. Since hyaluronan is a ligand for CD44, formation of CD44-hyaluronan complex on the cell surface activates CD44 and this activation may explain why the tumor manifested aggressive invasion and metastasis throughout the clinical course.
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Affiliation(s)
- Takuji Ohmoto
- Undergraduate student, The University of Tokushima School of Medicine, Tokushima, Japan; Department of Human Pathology, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
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Accumulation of extracellular hyaluronan by hyaluronan synthase 3 promotes tumor growth and modulates the pancreatic cancer microenvironment. BIOMED RESEARCH INTERNATIONAL 2014; 2014:817613. [PMID: 25147816 PMCID: PMC4131462 DOI: 10.1155/2014/817613] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Accepted: 06/27/2014] [Indexed: 12/29/2022]
Abstract
Extensive accumulation of the glycosaminoglycan hyaluronan is found in pancreatic cancer. The role of hyaluronan synthases 2 and 3 (HAS2, 3) was investigated in pancreatic cancer growth and the tumor microenvironment. Overexpression of HAS3 increased hyaluronan synthesis in BxPC-3 pancreatic cancer cells. In vivo, overexpression of HAS3 led to faster growing xenograft tumors with abundant extracellular hyaluronan accumulation. Treatment with pegylated human recombinant hyaluronidase (PEGPH20) removed extracellular hyaluronan and dramatically decreased the growth rate of BxPC-3 HAS3 tumors compared to parental tumors. PEGPH20 had a weaker effect on HAS2-overexpressing tumors which grew more slowly and contained both extracellular and intracellular hyaluronan. Accumulation of hyaluronan was associated with loss of plasma membrane E-cadherin and accumulation of cytoplasmic β-catenin, suggesting disruption of adherens junctions. PEGPH20 decreased the amount of nuclear hypoxia-related proteins and induced translocation of E-cadherin and β-catenin to the plasma membrane. Translocation of E-cadherin was also seen in tumors from a transgenic mouse model of pancreatic cancer and in a human non-small cell lung cancer sample from a patient treated with PEGPH20. In conclusion, hyaluronan accumulation by HAS3 favors pancreatic cancer growth, at least in part by decreasing epithelial cell adhesion, and PEGPH20 inhibits these changes and suppresses tumor growth.
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23
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Zhang C, Cao S, Toole BP, Xu Y. Cancer may be a pathway to cell survival under persistent hypoxia and elevated ROS: a model for solid-cancer initiation and early development. Int J Cancer 2014; 136:2001-11. [PMID: 24828886 DOI: 10.1002/ijc.28975] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Accepted: 05/05/2014] [Indexed: 12/20/2022]
Abstract
A number of proposals have been made in the past century regarding what may drive sporadic cancers to initiate and develop. Yet the problem remains largely unsolved as none of the proposals have been widely accepted as cancer-initiation drivers. We propose here a driver model for the initiation and early development of solid cancers associated with inflammation-induced chronic hypoxia and reactive oxygen species (ROS) accumulation. The model consists of five key elements: (i)human cells tend to have a substantial gap between ATP demand and supply during chronic hypoxia, which would inevitably lead to increased uptake of glucose and accumulation of its metabolites; (ii) the accumulation of these metabolites will cast mounting pressure on the cells and ultimately result in the production and export of hyaluronic acid; (iii) the exported hyaluronic acid will be degraded into fragments of various sizes, serving as tissue-repair signals, including signals for cell proliferation, cell survival and angiogenesis, which lead to the initial proliferation of the underlying cells; (iv) cell division provides an exit for the accumulated glucose metabolites using them towards macromolecular synthesis for the new cell, and hence alleviate the pressure from the metabolite accumulation; and (v) this process continues as long as the hypoxic condition persists. In tandem, genetic mutations may be selected to make cell divisions and hence survival more sustainable and efficient, also increasingly more uncontrollable. This model also applies to some hereditary cancers as their key mutations, such as BRCA for breast cancer, generally lead to increased ROS and ultimately to repression of mitochondrial activities and up-regulation of glycolysis, as well as hypoxia; hence the energy gap, glucose-metabolite accumulation, hyaluronic acid production and continuous cell division for survival.
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Affiliation(s)
- Chi Zhang
- Computational Systems Biology Laboratory, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, Athens, GA
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24
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Dicker KT, Gurski LA, Pradhan-Bhatt S, Witt RL, Farach-Carson MC, Jia X. Hyaluronan: a simple polysaccharide with diverse biological functions. Acta Biomater 2014; 10:1558-70. [PMID: 24361428 PMCID: PMC3960342 DOI: 10.1016/j.actbio.2013.12.019] [Citation(s) in RCA: 412] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Revised: 12/04/2013] [Accepted: 12/10/2013] [Indexed: 01/24/2023]
Abstract
Hyaluronan (HA) is a linear polysaccharide with disaccharide repeats of d-glucuronic acid and N-acetyl-d-glucosamine. It is evolutionarily conserved and abundantly expressed in the extracellular matrix (ECM), on the cell surface and even inside cells. Being a simple polysaccharide, HA exhibits an astonishing array of biological functions. HA interacts with various proteins or proteoglycans to organize the ECM and to maintain tissue homeostasis. The unique physical and mechanical properties of HA contribute to the maintenance of tissue hydration, the mediation of solute diffusion through the extracellular space and the lubrication of certain tissues. The diverse biological functions of HA are manifested through its complex interactions with matrix components and resident cells. Binding of HA with cell surface receptors activates various signaling pathways, which regulate cell function, tissue development, inflammation, wound healing and tumor progression and metastasis. Taking advantage of the inherent biocompatibility and biodegradability of HA, as well as its susceptibility to chemical modification, researchers have developed various HA-based biomaterials and tissue constructs with promising and broad clinical potential. This paper illustrates the properties of HA from a matrix biology perspective by first introducing the principles underlying the biosynthesis and biodegradation of HA, as well as the interactions of HA with various proteins and proteoglycans. It next highlights the roles of HA in physiological and pathological states, including morphogenesis, wound healing and tumor metastasis. A deeper understanding of the mechanisms underlying the roles of HA in various physiological processes can provide new insights and tools for the engineering of complex tissues and tissue models.
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Affiliation(s)
- Kevin T Dicker
- Department of Materials Science and Engineering, 201 DuPont Hall, University of Delaware, Newark, DE 19716, USA
| | - Lisa A Gurski
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Swati Pradhan-Bhatt
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA; Helen F. Graham Cancer Center, Christiana Care Health Systems (CCHS), Newark, DE 19713, USA
| | - Robert L Witt
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA; Helen F. Graham Cancer Center, Christiana Care Health Systems (CCHS), Newark, DE 19713, USA; Otolaryngology - Head & Neck Surgery, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Mary C Farach-Carson
- Department of Biochemistry and Cell Biology, Rice University, Houston, TX 77251, USA; Department of Bioengineering, Rice University, Houston, TX 77251, USA
| | - Xinqiao Jia
- Department of Materials Science and Engineering, 201 DuPont Hall, University of Delaware, Newark, DE 19716, USA; Biomedical Engineering Program, University of Delaware, Newark, DE 19716, USA; Delaware Biotechnology Institute, University of Delaware, Newark, DE 19711, USA.
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Durymanov MO, Slastnikova TA, Kuzmich AI, Khramtsov YV, Ulasov AV, Rosenkranz AA, Egorov SY, Sverdlov ED, Sobolev AS. Microdistribution of MC1R-targeted polyplexes in murine melanoma tumor tissue. Biomaterials 2013; 34:10209-16. [PMID: 24075405 DOI: 10.1016/j.biomaterials.2013.08.076] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 08/27/2013] [Indexed: 12/22/2022]
Abstract
Targeted sodium-iodide symporter (NIS) gene transfer can be considered as a promising approach for diagnostics of specific types of cancer. For this purpose we used targeted polyplexes based on PEI-PEG-MC1SP block-copolymer containing MC1SP-peptide, a ligand specific for melanocortin receptor-1 (MC1R) overexpressed on melanoma cells. Targeted polyplexes demonstrated enhanced NIS gene transfer compared to non-targeted (lacking MC1SP) ones in vitro. Using dorsal skinfold chamber and intravital microscopy we evaluated accumulation and microdistribution of quantum dot-labeled polyplexes in tumor and normal subcutaneous tissues up to 4 h after intravenous injection. Polyplexes demonstrated significantly higher total accumulation in tumor tissue in comparison with subcutaneous ones (control). Targeted and non-targeted polyplexes extravasated and penetrated into the tumor tissue up to 20 μm from the vessel walls. In contrast, in normal subcutaneous tissue polyplexes penetrated not more than 3 μm from the vessel walls with the level of extravasated polyplexes 400-fold less than in tumor. Accumulated polyplexes in tumor tissue caused NIS gene expression. Subsequent (123)I(-) intravenous injection resulted in 6.8 ± 1.1 and 4.5 ± 0.8% ID/g (p < 0.001) iodide accumulation in tumors in the case of targeted and non-targeted polyplexes, respectively, as was shown using SPECT/CT.
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Affiliation(s)
- Mikhail O Durymanov
- Laboratory of Molecular Genetics of Intracellular Transport, Institute of Gene Biology, Russian Academy of Sciences, 34/5, Vavilov St., 119334 Moscow, Russia; Department of Biophysics, Faculty of Biology, Moscow State University, 1-12, Leninskie Gory, 119991 Moscow, Russia.
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Smulovitz C, Dickinson LE, Gerecht S. Micropatterned Surfaces for the Study of Cancer and Endothelial Cell Interactions with Hyaluronic Acid. Isr J Chem 2013. [DOI: 10.1002/ijch.201300058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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27
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Rajan M, Raj V, Al-Arfaj AA, Murugan A. Hyaluronidase enzyme core-5-fluorouracil-loaded chitosan-PEG-gelatin polymer nanocomposites as targeted and controlled drug delivery vehicles. Int J Pharm 2013; 453:514-22. [DOI: 10.1016/j.ijpharm.2013.06.030] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 06/08/2013] [Accepted: 06/12/2013] [Indexed: 11/24/2022]
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28
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Krishnamachary B, Penet MF, Nimmagadda S, Mironchik Y, Raman V, Solaiyappan M, Semenza GL, Pomper MG, Bhujwalla ZM. Hypoxia regulates CD44 and its variant isoforms through HIF-1α in triple negative breast cancer. PLoS One 2012; 7:e44078. [PMID: 22937154 PMCID: PMC3429433 DOI: 10.1371/journal.pone.0044078] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Accepted: 07/31/2012] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The CD44 transmembrane glycoproteins play multifaceted roles in tumor progression and metastasis. CD44 expression has also been associated with stem-like breast cancer cells. Hypoxia commonly occurs in tumors and is a major cause of radiation and chemo-resistance. Hypoxia is known to inhibit differentiation and facilitates invasion and metastasis. Here we have investigated the effect of hypoxia on CD44 and two of its isoforms in MDA-MB-231 and SUM-149 triple negative human breast cancer cells and MDA-MB-231 tumors using imaging and molecular characterization. METHODS AND FINDINGS The roles of hypoxia and hypoxia inducible factor (HIF) in regulating the expression of CD44 and its variant isoforms (CD44v6, CD44v7/8) were investigated in human breast cancer cells, by quantitative real-time polymerase chain reaction (qRT-PCR) to determine mRNA levels, and fluorescence associated cell sorting (FACS) to determine cell surface expression of CD44, under normoxic and hypoxic conditions. In vivo imaging studies with tumor xenografts derived from MDA-MD-231 cells engineered to express tdTomato red fluorescence protein under regulation of hypoxia response elements identified co-localization between hypoxic fluorescent regions and increased concentration of (125)I-radiolabeled CD44 antibody. CONCLUSIONS Our data identified HIF-1α as a regulator of CD44 that increased the number of CD44 molecules and the percentage of CD44 positive cells expressing variant exons v6 and v7/8 in breast cancer cells under hypoxic conditions. Data from these cell studies were further supported by in vivo observations that hypoxic tumor regions contained cells with a higher concentration of CD44 expression.
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Affiliation(s)
- Balaji Krishnamachary
- JHU ICMIC Program, Division of Cancer Imaging Research, The Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America.
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Josefsson A, Adamo H, Hammarsten P, Granfors T, Stattin P, Egevad L, Laurent AE, Wikström P, Bergh A. Prostate cancer increases hyaluronan in surrounding nonmalignant stroma, and this response is associated with tumor growth and an unfavorable outcome. THE AMERICAN JOURNAL OF PATHOLOGY 2011; 179:1961-8. [PMID: 21854754 DOI: 10.1016/j.ajpath.2011.06.005] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2010] [Revised: 05/02/2011] [Accepted: 06/28/2011] [Indexed: 01/01/2023]
Abstract
Our objective was to investigate whether the presence of a tumor increases hyaluronan (HA) levels in surrounding prostate tissues and whether this extratumoral HA influences tumor growth and outcome. From a series of 287 men diagnosed with prostate cancer at transurethral resection and followed up with watchful waiting, tissue microarrays were constructed, stained, and scored for HA. A high HA staining score in the tumor stroma or in nonmalignant prostate tissue stroma were both associated positively with higher Gleason score and larger tumor volume, and was associated with a poor outcome. HA staining score was not an independent marker for outcome (multivariate Cox, with Gleason score, tumor volume, stage, and HA variables). In an orthotopic rat prostate cancer model, hyaluronic acid synthase-1 mRNA levels and HA staining were increased in normal prostate tissue surrounding prostate cancer. Orthotopic prostate cancer growth was increased by intraprostatic injection of HA. In conclusion, cancer in the prostate apparently stimulates HA synthesis both in tumor stroma and in the surrounding normal tissue. This promoted tumor growth and was associated with an unfavorable outcome.
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Affiliation(s)
- Andreas Josefsson
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden.
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30
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Veiseh M, Turley EA. Hyaluronan metabolism in remodeling extracellular matrix: probes for imaging and therapy of breast cancer. Integr Biol (Camb) 2011; 3:304-15. [PMID: 21264398 DOI: 10.1039/c0ib00096e] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Clinical and experimental evidence increasingly support the concept of cancer as a disease that emulates a component of wound healing, in particular abnormal stromal extracellular matrix remodeling. Here we review the biology and function of one remodeling process, hyaluronan (HA) metabolism, which is essential for wound resolution but closely linked to breast cancer (BCA) progression. Components of the HA metabolic cycle (HAS2, SPAM1 and HA receptors CD44, RHAMM/HMMR and TLR2) are discussed in terms of their known functions in wound healing and in breast cancer progression. Finally, we discuss recent advances in the use of HA-based platforms for developing nanoprobes to image areas of active HA metabolism and for therapeutics in breast cancer.
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Affiliation(s)
- M Veiseh
- Life Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, CA, USA.
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31
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Hemostimulating effects of immobilized hyaluronidase and their mechanisms during cytostatic-induced myelosuppression. Bull Exp Biol Med 2010; 149:594-7. [PMID: 21165395 DOI: 10.1007/s10517-010-1001-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
We studied the effect of immobilized hyaluronidase on hemopoiesis under conditions of cyclophosphamide-induced suppression. The preparation was shown to possess high hemostimulating activity. The stimulatory effect of hyaluronidase on the erithron was more pronounced than its effect on the granulocytic hemopoietic stem due to increase in functional activity of hemopoietic precursors and hemopoiesis-inducing microenvironment.
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32
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Wei Q, Galbenus R, Raza A, Cerny RL, Simpson MA. Androgen-stimulated UDP-glucose dehydrogenase expression limits prostate androgen availability without impacting hyaluronan levels. Cancer Res 2009; 69:2332-9. [PMID: 19244115 DOI: 10.1158/0008-5472.can-08-3083] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
UDP-glucose dehydrogenase (UGDH) oxidizes UDP-glucose to UDP-glucuronate, an essential precursor for production of hyaluronan (HA), proteoglycans, and xenobiotic glucuronides. High levels of HA turnover in prostate cancer are correlated with aggressive progression. UGDH expression is high in the normal prostate, although HA accumulation is virtually undetectable. Thus, its normal role in the prostate may be to provide precursors for glucuronosyltransferase enzymes, which inactivate and solubilize androgens by glucuronidation. In this report, we quantified androgen dependence of UGDH, glucuronosyltransferase, and HA synthase expression. Androgen-dependent and androgen-independent human prostate cancer cell lines were used to test the effects of UGDH manipulation on tumor cell growth, HA production, and androgen glucuronidation. Dihydrotestosterone (DHT) increased UGDH expression approximately 2.5-fold in androgen-dependent cells. However, up-regulation of UGDH did not affect HA synthase expression or enhance HA production. Mass spectrometric analysis showed that DHT was converted to a glucuronide, DHT-G, at a 6-fold higher level in androgen-dependent cells relative to androgen-independent cells. The increased solubilization and elimination of DHT corresponded to slower cellular growth kinetics, which could be reversed in androgen-dependent cells by treatment with a UDP-glucuronate scavenger. Collectively, these results suggest that dysregulated expression of UGDH could promote the development of androgen-independent tumor cell growth by increasing available levels of intracellular androgen.
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Affiliation(s)
- Qin Wei
- Department of Biochemistry and Chemistry, University of Nebraska, Lincoln, Nebraska, USA
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33
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Aytekin M, Comhair SAA, de la Motte C, Bandyopadhyay SK, Farver CF, Hascall VC, Erzurum SC, Dweik RA. High levels of hyaluronan in idiopathic pulmonary arterial hypertension. Am J Physiol Lung Cell Mol Physiol 2008; 295:L789-99. [PMID: 18776053 DOI: 10.1152/ajplung.90306.2008] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Hyaluronan (HA), a large glycosaminoglycan found in the ECM, has major roles in lung and vascular biology and disease. However, its role in idiopathic pulmonary arterial hypertension (IPAH) is unknown. We hypothesized that HA metabolism is abnormal in IPAH. We measured the plasma levels of HA in IPAH and healthy individuals. We also evaluated HA synthesis and the expression of HA synthases and hyaluronidases in pulmonary artery smooth muscle cells (PASMCs) from explanted lungs. Plasma HA levels were markedly elevated in IPAH compared with controls [HA (ng/ml, mean +/- SD): IPAH 325 +/- 80, control 28 +/- 9; P = 0.02]. In vitro, unstimulated IPAH PASMCs produced high levels of HA compared with control cells [HA in supernatant (microg/ml, mean +/- SD): IPAH 12 +/- 2, controls 6 +/- 0.9; P = 0.04]. HA levels were also higher in IPAH PASMC lysates. The increased HA was biologically relevant as shown by tissue staining and increased HA-specific binding of mononuclear cells to IPAH compared with control PASMCs [number of bound cells x 10(4) (mean +/- SD): IPAH 9.5 +/- 3, control 3.0 +/- 1; P = 0.01]. This binding was abrogated by the addition of hyaluronidase. HA synthase-2 and hyaluronidase-2 were predominant in control and IPAH PASMCs. Interestingly, the expressions of HA synthase-2 and hyaluronidase-2 were approximately 2-fold lower in IPAH compared with controls [HA synthase-2 (relative expression mean +/- SE): IPAH 4.3 +/- 0.02, control 7.8 +/- 0.1; P = 0.0004; hyaluronidase-2 (relative expression mean +/- SE): IPAH 4.2 +/- 0.06, control 7.6 +/- 0.07; P = 0.008]. Thus patients with IPAH have higher circulating levels of HA, and PASMCs derived from IPAH lungs produce more HA compared with controls. This is associated with increased tissue levels and increased binding of inflammatory cells suggesting a role for HA in remodeling and inflammation in IPAH.
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Affiliation(s)
- Metin Aytekin
- Department of Pathobiology, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Ave., Cleveland, OH 44195, USA
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Sherman LS, Back SA. A 'GAG' reflex prevents repair of the damaged CNS. Trends Neurosci 2007; 31:44-52. [PMID: 18063497 DOI: 10.1016/j.tins.2007.11.001] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2007] [Revised: 11/01/2007] [Accepted: 11/02/2007] [Indexed: 01/09/2023]
Abstract
The extracellular matrix of the central nervous system (CNS) serves as both a supporting structure for cells and a rich source of signaling molecules that can influence cell proliferation, survival, migration and differentiation. A large proportion of this matrix is composed of proteoglycans--proteins with long chains of polysaccharides, called glycosaminoglycans (GAGs), covalently attached. Although many of the activities of proteoglycans depend on their core proteins, GAGs themselves can influence cell signaling. Here we review accumulating evidence that two GAGs, chondroitin sulfate and hyaluronan, play essential roles during nervous system development but also accumulate in chronic CNS lesions and inhibit axonal regeneration and remyelination, making them significant hindrances to CNS repair. We propose that the balance between the synthesis and degradation of these molecules dictates, in part, how regeneration and recovery from CNS damage occurs.
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Affiliation(s)
- Larry S Sherman
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, OR 97006, USA.
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35
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Zyuz’kov GN, Zhdanov VV, Dygai AM, Gol’dberg ED. Role of hyaluronidase in the regulation of hemopoiesis. Bull Exp Biol Med 2007; 144:840-5. [DOI: 10.1007/s10517-007-0444-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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36
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Role of hyaluronidase in the regulation of functions of mesenchymal precursor cells. Bull Exp Biol Med 2007; 143:548-51. [DOI: 10.1007/s10517-007-0176-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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37
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Slevin M, Krupinski J, Gaffney J, Matou S, West D, Delisser H, Savani RC, Kumar S. Hyaluronan-mediated angiogenesis in vascular disease: uncovering RHAMM and CD44 receptor signaling pathways. Matrix Biol 2006; 26:58-68. [PMID: 17055233 DOI: 10.1016/j.matbio.2006.08.261] [Citation(s) in RCA: 306] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2006] [Revised: 08/24/2006] [Accepted: 08/28/2006] [Indexed: 10/24/2022]
Abstract
The correct formation of new blood vessels from existing vasculature (angiogenesis) is essential for embryogenesis and the effective repair of damaged or wounded tissues. However, excessive and detrimental vascularization also occurs in neoplasia, promoting tumour growth and metastasis, as well as in proliferative diabetic retinopathy and atherosclerosis. Greater understanding of the mechanisms controlling the angiogenic process will allow optimization of wound healing, and provide mechanisms to inhibit vascularization in tumours and other diseases. Evidence supports a cascade of events in which the perturbation of one of the steps is sufficient to significantly inhibit neovascularization. The extracellular macromolecules, notably glycosaminoglycans (GAGs), are important mediators of angiogenesis. Hyaluronan (HA), a large, non-sulphated GAG, was first discovered in the vitreous of the eye [.], and is ubiquitously expressed in the extracellular matrix (ECM) of tissues. Native high molecular weight HA (n-HA) is anti-angiogenic, whereas HA degradation products (o-HA; 3-10 disaccharides) stimulate endothelial cell (EC) proliferation, migration and tube formation following activation of specific HA receptors in particular, CD44 and Receptor for HA-Mediated Motility (RHAMM, CD168). The involvement of HA in the regulation of angiogenesis makes it an attractive therapeutic target. We review the role of o-HA in modulation of angiogenesis during tissue injury, and vascular disease, focusing on receptor-mediated signal transduction pathways that have been evaluated.
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Affiliation(s)
- Mark Slevin
- School of Biology, Chemistry and Health Science, Manchester Metropolitan University, Manchester, UK.
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