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Liu H, Shen W, Liu W, Yang Z, Yin D, Xiao C. From oncolytic peptides to oncolytic polymers: A new paradigm for oncotherapy. Bioact Mater 2024; 31:206-230. [PMID: 37637082 PMCID: PMC10450358 DOI: 10.1016/j.bioactmat.2023.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 07/18/2023] [Accepted: 08/08/2023] [Indexed: 08/29/2023] Open
Abstract
Traditional cancer therapy methods, especially those directed against specific intracellular targets or signaling pathways, are not powerful enough to overcome tumor heterogeneity and therapeutic resistance. Oncolytic peptides that can induce membrane lysis-mediated cancer cell death and subsequent anticancer immune responses, has provided a new paradigm for cancer therapy. However, the clinical application of oncolytic peptides is always limited by some factors such as unsatisfactory bio-distribution, poor stability, and off-target toxicity. To overcome these limitations, oncolytic polymers stand out as prospective therapeutic materials owing to their high stability, chemical versatility, and scalable production capacity, which has the potential to drive a revolution in cancer treatment. This review provides an overview of the mechanism and structure-activity relationship of oncolytic peptides. Then the oncolytic peptides-mediated combination therapy and the nano-delivery strategies for oncolytic peptides are summarized. Emphatically, the current research progress of oncolytic polymers has been highlighted. Lastly, the challenges and prospects in the development of oncolytic polymers are discussed.
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Affiliation(s)
- Hanmeng Liu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Wei Shen
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, Anhui, 230012, China
- Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei, Anhui, 230012, China
| | - Wanguo Liu
- Department of Orthopaedic Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, China
| | - Zexin Yang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Dengke Yin
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
- Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei, Anhui, 230012, China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
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Jafari A, Babajani A, Sarrami Forooshani R, Yazdani M, Rezaei-Tavirani M. Clinical Applications and Anticancer Effects of Antimicrobial Peptides: From Bench to Bedside. Front Oncol 2022; 12:819563. [PMID: 35280755 PMCID: PMC8904739 DOI: 10.3389/fonc.2022.819563] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 01/21/2022] [Indexed: 12/24/2022] Open
Abstract
Cancer is a multifaceted global health issue and one of the leading causes of death worldwide. In recent years, medical science has achieved great advances in the diagnosis and treatment of cancer. Despite the numerous advantages of conventional cancer therapies, there are major drawbacks including severe side effects, toxicities, and drug resistance. Therefore, the urgency of developing new drugs with low cytotoxicity and treatment resistance is increasing. Antimicrobial peptides (AMPs) have attracted attention as a novel therapeutic strategy for the treatment of various cancers, targeting tumor cells with less toxicity to normal tissues. In this review, we present the structure, biological function, and underlying mechanisms of AMPs. The recent experimental studies and clinical trials on anticancer peptides in different cancer types as well as the challenges of their clinical application have also been discussed.
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Affiliation(s)
- Ameneh Jafari
- Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Amirhesam Babajani
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ramin Sarrami Forooshani
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Mohsen Yazdani
- Laboratory of Bioinformatics and Drug Design, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Mostafa Rezaei-Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Liu S, Aweya JJ, Zheng L, Zheng Z, Huang H, Wang F, Yao D, Ou T, Zhang Y. LvHemB1, a novel cationic antimicrobial peptide derived from the hemocyanin of Litopenaeus vannamei, induces cancer cell death by targeting mitochondrial voltage-dependent anion channel 1. Cell Biol Toxicol 2022; 38:87-110. [PMID: 33630204 DOI: 10.1007/s10565-021-09588-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 02/09/2021] [Indexed: 02/05/2023]
Abstract
Current cancer treatment regimens such as chemotherapy and traditional chemical drugs have adverse side effects including the appearance of drug-resistant tumor cells. For these reasons, it is imperative to find novel therapeutic agents that overcome these factors. To this end, we explored a cationic antimicrobial peptide derived from Litopenaeus vannamei hemocyanin (designated LvHemB1) that induces cancer cell death, but sparing normal cells. LvHemB1 inhibits the proliferation of human cervical (HeLa), esophageal (EC109), hepatocellular (HepG2), and bladder (EJ) cancer cell lines, but had no significant effect on normal liver cell lines (T-antigen-immortalized human liver epithelial (THLE-3) cells). In addition to its antiproliferative effects, LvHemB1 induced apoptosis, by permeating cells and targeting mitochondrial voltage-dependent anion channel 1 (VDAC1). Colocalization studies revealed the localization of LvHemB1 in mitochondria, while molecular docking and pull-down analyses confirmed LvHemB1-VDAC1 interaction. Moreover, LvHemB1 causes loss in mitochondrial membrane potential and increases levels of reactive oxygen species (ROS) and apoptotic proteins (caspase-9, caspase-3, and Bax (Bcl-2-associated X)), which results in mitochondrial-mediated apoptosis. Thus, peptide LvHemB1 has the potential of being used as an anticancer agent due to its antiproliferation effect and targeting to VDAC1 to cause mitochondrial dysfunction in cancer cells, as well as its ability to induce apoptosis by increasing ROS levels, and the expression of proapoptotic proteins.
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Affiliation(s)
- Shangjie Liu
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- Institute of Urology, The Affiliated Shenzhen Luohu Hospital of Shantou University Medical College, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Jude Juventus Aweya
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Liyuan Zheng
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Zhou Zheng
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - He Huang
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Fan Wang
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Defu Yao
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China
| | - Tong Ou
- Institute of Urology, The Affiliated Shenzhen Luohu Hospital of Shantou University Medical College, Shantou University, Shantou, 515063, China.
| | - Yueling Zhang
- Institute of Marine Sciences and Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China.
- STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, 515063, China.
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4
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Preparation of Nanosensors for Detecting the Activity of Glycosaminoglycan Cleaving Enzymes. Methods Mol Biol 2021. [PMID: 34626416 DOI: 10.1007/978-1-0716-1398-6_52] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Glycosaminoglycans (GAGs) play crucial roles in several biological processes including cell division, angiogenesis, anticoagulation, neurogenesis, axon guidance and growth, and viral and bacterial infections among others. The GAG cleaving hydrolases/lyases play a major role in the control of GAG structures, functions, and turn over. Dysregulation of GAG cleaving enzymes in vivo are linked to a number of human diseases including cancer, diabetes, atherosclerosis, arthritis, inflammation, and cardiovascular diseases. Several GAG cleaving enzymes are widely used for studying GAG glycobiology: heparitinases, chondroitinases, heparanases, hyaluronidases, and keratanases. Herein, we describe a method to synthesize four distinct nanometal surface energy transfer (NSET)-based gold-GAG-dye conjugates (nanosensors). Heparin, chondroitin sulfate, heparan sulfate, and hyaluronic acid are covalently linked with distinct fluorescent dyes and then immobilized on gold nanoparticles (AuNPs) to build nanosensors that serve as excellent substrates for GAG cleaving enzymes. Upon treatment of nanosensors with their respective GAG cleaving enzymes, dye-labeled oligosaccharides/disaccharides are released from AuNPs resulting in enhanced fluorescence recovery. These nanosensors have a great promise as diagnostic tools in various human pathophysiological conditions for detecting dysregulated expression of GAG cleaving enzymes and also as a sensitive analytical tool for assessing the quality control of pharmaceutical grade heparin polysaccharides that are produced in millions of small- and medium-sized animal slaughter houses worldwide.
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Faria-Ramos I, Poças J, Marques C, Santos-Antunes J, Macedo G, Reis CA, Magalhães A. Heparan Sulfate Glycosaminoglycans: (Un)Expected Allies in Cancer Clinical Management. Biomolecules 2021; 11:136. [PMID: 33494442 PMCID: PMC7911160 DOI: 10.3390/biom11020136] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 12/12/2022] Open
Abstract
In an era when cancer glycobiology research is exponentially growing, we are witnessing a progressive translation of the major scientific findings to the clinical practice with the overarching aim of improving cancer patients' management. Many mechanistic cell biology studies have demonstrated that heparan sulfate (HS) glycosaminoglycans are key molecules responsible for several molecular and biochemical processes, impacting extracellular matrix properties and cellular functions. HS can interact with a myriad of different ligands, and therefore, hold a pleiotropic role in regulating the activity of important cellular receptors and downstream signalling pathways. The aberrant expression of HS glycan chains in tumours determines main malignant features, such as cancer cell proliferation, angiogenesis, invasion and metastasis. In this review, we devote particular attention to HS biological activities, its expression profile and modulation in cancer. Moreover, we highlight HS clinical potential to improve both diagnosis and prognosis of cancer, either as HS-based biomarkers or as therapeutic targets.
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Affiliation(s)
- Isabel Faria-Ramos
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
| | - Juliana Poças
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Molecular Biology Department, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Catarina Marques
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Molecular Biology Department, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - João Santos-Antunes
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Pathology Department, Faculdade de Medicina, University of Porto, 4200-319 Porto, Portugal;
- Gastroenterology Department, Centro Hospitalar S. João, 4200-319 Porto, Portugal
| | - Guilherme Macedo
- Pathology Department, Faculdade de Medicina, University of Porto, 4200-319 Porto, Portugal;
- Gastroenterology Department, Centro Hospitalar S. João, 4200-319 Porto, Portugal
| | - Celso A. Reis
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
- Molecular Biology Department, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
- Pathology Department, Faculdade de Medicina, University of Porto, 4200-319 Porto, Portugal;
| | - Ana Magalhães
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; (I.F.-R.); (J.P.); (C.M.); (J.S.-A.); (C.A.R.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), 4200-135 Porto, Portugal
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6
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Usoltseva RV, Belik AA, Kusaykin MI, Malyarenko OS, Zvyagintsevа TN, Ermakova SP. Laminarans and 1,3-β-D-glucanases. Int J Biol Macromol 2020; 163:1010-1025. [PMID: 32663561 DOI: 10.1016/j.ijbiomac.2020.07.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 07/03/2020] [Accepted: 07/04/2020] [Indexed: 01/12/2023]
Abstract
The laminarans are biologically active water-soluble polysaccharide (1,3;1,6-β-D-glucans) of brown algae. These polysaccharides are an attractive object for research due to its relatively simple structure, low toxicity, and various biological effects. 1,3-β-D-glucanases are an effective tool for studying the structure of laminarans, and can also be used to obtain new biologically active derivatives. This review is to outline what is currently known about laminarans and enzymes that catalyze of their transformation. We focused on information about sources, structure and properties of laminarans and 1,3-β-D-glucanases, methods of obtaining and structural elucidation of laminarans, and biological activity of laminarans and products of their enzymatic transformation. It has an increased focus on the immunomodulating and anticancer activity of laminarans and their derivatives.
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Affiliation(s)
- Roza V Usoltseva
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022, 159, 100 Let Vladivostoku prosp., Vladivostok, Russian Federation.
| | - Aleksei A Belik
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022, 159, 100 Let Vladivostoku prosp., Vladivostok, Russian Federation
| | - Mikhail I Kusaykin
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022, 159, 100 Let Vladivostoku prosp., Vladivostok, Russian Federation.
| | - Olesya S Malyarenko
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022, 159, 100 Let Vladivostoku prosp., Vladivostok, Russian Federation.
| | - Tatiana N Zvyagintsevа
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022, 159, 100 Let Vladivostoku prosp., Vladivostok, Russian Federation.
| | - Svetlana P Ermakova
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022, 159, 100 Let Vladivostoku prosp., Vladivostok, Russian Federation
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7
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Heparan Sulfate Proteoglycan Signaling in Tumor Microenvironment. Int J Mol Sci 2020; 21:ijms21186588. [PMID: 32916872 PMCID: PMC7554799 DOI: 10.3390/ijms21186588] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 12/18/2022] Open
Abstract
In the last few decades, heparan sulfate (HS) proteoglycans (HSPGs) have been an intriguing subject of study for their complex structural characteristics, their finely regulated biosynthetic machinery, and the wide range of functions they perform in living organisms from development to adulthood. From these studies, key roles of HSPGs in tumor initiation and progression have emerged, so that they are currently being explored as potential biomarkers and therapeutic targets for cancers. The multifaceted nature of HSPG structure/activity translates in their capacity to act either as inhibitors or promoters of tumor growth and invasion depending on the tumor type. Deregulation of HSPGs resulting in malignancy may be due to either their abnormal expression levels or changes in their structure and functions as a result of the altered activity of their biosynthetic or remodeling enzymes. Indeed, in the tumor microenvironment, HSPGs undergo structural alterations, through the shedding of proteoglycan ectodomain from the cell surface or the fragmentation and/or desulfation of HS chains, affecting HSPG function with significant impact on the molecular interactions between cancer cells and their microenvironment, and tumor cell behavior. Here, we overview the structural and functional features of HSPGs and their signaling in the tumor environment which contributes to tumorigenesis and cancer progression.
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8
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Tornesello AL, Borrelli A, Buonaguro L, Buonaguro FM, Tornesello ML. Antimicrobial Peptides as Anticancer Agents: Functional Properties and Biological Activities. Molecules 2020; 25:E2850. [PMID: 32575664 PMCID: PMC7356147 DOI: 10.3390/molecules25122850] [Citation(s) in RCA: 185] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/16/2020] [Accepted: 06/17/2020] [Indexed: 12/16/2022] Open
Abstract
Antimicrobial peptides (AMPs), or host defense peptides, are small cationic or amphipathic molecules produced by prokaryotic and eukaryotic organisms that play a key role in the innate immune defense against viruses, bacteria and fungi. AMPs have either antimicrobial or anticancer activities. Indeed, cationic AMPs are able to disrupt microbial cell membranes by interacting with negatively charged phospholipids. Moreover, several peptides are capable to trigger cytotoxicity of human cancer cells by binding to negatively charged phosphatidylserine moieties which are selectively exposed on the outer surface of cancer cell plasma membranes. In addition, some AMPs, such as LTX-315, have shown to induce release of tumor antigens and potent damage associated molecular patterns by causing alterations in the intracellular organelles of cancer cells. Given the recognized medical need of novel anticancer drugs, AMPs could represent a potential source of effective therapeutic agents, either alone or in combination with other small molecules, in oncology. In this review we summarize and describe the properties and the mode of action of AMPs as well as the strategies to increase their selectivity toward specific cancer cells.
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Affiliation(s)
- Anna Lucia Tornesello
- Molecular Biology and Viral Oncology Unit, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Napoli, Italy; (F.M.B.); (M.L.T.)
| | - Antonella Borrelli
- Innovative Immunological Models, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Napoli, Italy;
| | - Luigi Buonaguro
- Innovative Immunological Models, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Napoli, Italy;
| | - Franco Maria Buonaguro
- Molecular Biology and Viral Oncology Unit, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Napoli, Italy; (F.M.B.); (M.L.T.)
| | - Maria Lina Tornesello
- Molecular Biology and Viral Oncology Unit, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Napoli, Italy; (F.M.B.); (M.L.T.)
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9
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Elgundi Z, Papanicolaou M, Major G, Cox TR, Melrose J, Whitelock JM, Farrugia BL. Cancer Metastasis: The Role of the Extracellular Matrix and the Heparan Sulfate Proteoglycan Perlecan. Front Oncol 2020; 9:1482. [PMID: 32010611 PMCID: PMC6978720 DOI: 10.3389/fonc.2019.01482] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 12/10/2019] [Indexed: 12/12/2022] Open
Abstract
Cancer metastasis is the dissemination of tumor cells to new sites, resulting in the formation of secondary tumors. This process is complex and is spatially and temporally regulated by intrinsic and extrinsic factors. One important extrinsic factor is the extracellular matrix, the non-cellular component of tissues. Heparan sulfate proteoglycans (HSPGs) are constituents of the extracellular matrix, and through their heparan sulfate chains and protein core, modulate multiple events that occur during the metastatic cascade. This review will provide an overview of the role of the extracellular matrix in the events that occur during cancer metastasis, primarily focusing on perlecan. Perlecan, a basement membrane HSPG is a key component of the vascular extracellular matrix and is commonly associated with events that occur during the metastatic cascade. Its contradictory role in these events will be discussed and we will highlight the recent advances in cancer therapies that target HSPGs and their modifying enzymes.
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Affiliation(s)
- Zehra Elgundi
- Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, NSW, Australia
| | - Michael Papanicolaou
- The Garvan Institute of Medical Research and The Kinghorn Cancer Centre, UNSW Sydney, Darlinghurst, NSW, Australia.,School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Gretel Major
- The Garvan Institute of Medical Research and The Kinghorn Cancer Centre, UNSW Sydney, Darlinghurst, NSW, Australia
| | - Thomas R Cox
- The Garvan Institute of Medical Research and The Kinghorn Cancer Centre, UNSW Sydney, Darlinghurst, NSW, Australia.,St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
| | - James Melrose
- Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, NSW, Australia.,Raymond Purves Bone and Joint Research Laboratories, Kolling Institute of Medical Research, Royal North Shore Hospital, University of Sydney, St Leonards, NSW, Australia
| | - John M Whitelock
- Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, NSW, Australia
| | - Brooke L Farrugia
- Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, NSW, Australia.,Department of Biomedical Engineering, Melbourne School of Engineering, The University of Melbourne, Melbourne, VIC, Australia
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10
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Barrow AD, Martin CJ, Colonna M. The Natural Cytotoxicity Receptors in Health and Disease. Front Immunol 2019; 10:909. [PMID: 31134055 PMCID: PMC6514059 DOI: 10.3389/fimmu.2019.00909] [Citation(s) in RCA: 219] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 04/09/2019] [Indexed: 12/31/2022] Open
Abstract
The Natural Cytotoxicity Receptors (NCRs), NKp46, NKp44, and NKp30, were some of the first human activating Natural Killer (NK) cell receptors involved in the non-MHC-restricted recognition of tumor cells to be cloned over 20 years ago. Since this time many host- and pathogen-encoded ligands have been proposed to bind the NCRs and regulate the cytotoxic and cytokine-secreting functions of tissue NK cells. This diverse set of NCR ligands can manifest on the surface of tumor or virus-infected cells or can be secreted extracellularly, suggesting a remarkable NCR polyfunctionality that regulates the activity of NK cells in different tissue compartments during steady state or inflammation. Moreover, the NCRs can also be expressed by other innate and adaptive immune cell subsets under certain tissue conditions potentially conferring NK recognition programs to these cells. Here we review NCR biology in health and disease with particular reference to how this important class of receptors regulates the functions of tissue NK cells as well as confer NK cell recognition patterns to other innate and adaptive lymphocyte subsets. Finally, we highlight how NCR biology is being harnessed for novel therapeutic interventions particularly for enhanced tumor surveillance.
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Affiliation(s)
- Alexander David Barrow
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Claudia Jane Martin
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States
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11
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Alyoussef A, Taha M. Antitumor activity of sulforaphane in mice model of skin cancer via blocking sulfatase-2. Exp Dermatol 2018; 28:28-34. [PMID: 30315662 DOI: 10.1111/exd.13802] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 09/16/2018] [Accepted: 10/01/2018] [Indexed: 12/19/2022]
Abstract
Although there are many treatment options for skin cancer, the chemotherapeutic agents for skin cancer are linked with many adverse effects as well as the development of multidrug resistance. Sulforaphane is an isothiocyanate, which is found in cruciferous vegetables. Consumption of sulforaphane-rich diet has been linked to inhibition of UV-exposed skin carcinogenesis. Therefore, the goal of this study was to determine the ability of sulforaphane to reduce skin cancer in mice through inhibition of sulfatase-2 enzyme. Epicutaneous application of 7,12-dimethylbenz (a) anthracene was performed on the shaved dorsal skin of mice followed by croton oil. Sulforaphane (9 μmol/mouse/day) was administered to mice orally. Skin was removed from the dorsal area for assessment of sulfatase-2, glypican-3, heparan sulphate proteoglycans (HSPGs), nuclear factor (NF)κB, nuclear factor E2-related factor 2 (Nrf2), tumor necrosis factor (TNF)-α, IL-1β and caspase-3. In addition, skin sections were stained with haematoxylin/eosin, Mallory and cytokeratin immunostaining. We found that, sulforaphane blocked sulfatase-2 activity, leading to significant elevation in HSPGs as well as significant reduction in glypican-3. In addition, sulforaphane significantly activated Nrf2 and reduced both the gene and protein expression of NFκB, TNF-α, IL-1β and caspase-3. In parallel, stained sections obtained from skin cancer mice treated with sulforaphane showed significant reduction in hyperkeratosis, acanthosis and epithelial dysplasia. The collective results indicate that sulforaphane suppresses skin cancer via blocking sulfatase-2 with subsequent elevation in HSPGs and reduction in glypican-3. Moreover, sulforaphane attenuated skin cancer-induced activation of inflammatory and apoptotic pathways.
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Affiliation(s)
- Abdullah Alyoussef
- Department of Internal Medicine (Dermatology), Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia
| | - Medhat Taha
- Department of Anatomy and Embryology, College of Medicine, Mansoura University, Mansoura, Egypt
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12
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Kaltenbach DD, Jaishankar D, Hao M, Beer JC, Volin MV, Desai UR, Tiwari V. Sulfotransferase and Heparanase: Remodeling Engines in Promoting Virus Infection and Disease Development. Front Pharmacol 2018; 9:1315. [PMID: 30555321 PMCID: PMC6282075 DOI: 10.3389/fphar.2018.01315] [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: 09/10/2018] [Accepted: 10/29/2018] [Indexed: 01/08/2023] Open
Abstract
An extraordinary binding site generated in heparan sulfate (HS) structures, during its biosynthesis, provides a unique opportunity to interact with multiple protein ligands including viral proteins, and therefore adds tremendous value to this master molecule. An example of such a moiety is the sulfation at the C3 position of glucosamine residues in HS chain via 3-O sulfotransferase (3-OST) enzymes, which generates a unique virus-cell fusion receptor during herpes simplex virus (HSV) entry and spread. Emerging evidence now suggests that the unique patterns in HS sulfation assist multiple viruses in invading host cells at various steps of their life cycles. In addition, sulfated-HS structures are known to assist in invading host defense mechanisms and initiating multiple inflammatory processes; a critical event in the disease development. All these processes are detrimental for the host and therefore raise the question of how HS-sulfation is regulated. Epigenetic modulations have been shown to be implicated in these reactions during HSV infection as well as in HS modifying enzyme sulfotransferases, and therefore pose a critical component in answering it. Interestingly, heparanase (HPSE) activity is shown to be upregulated during virus infection and multiple other diseases assisting in virus replication to promote cell and tissue damage. These phenomena suggest that sulfotransferases and HPSE serve as key players in extracellular matrix remodeling and possibly generating unique signatures in a given disease. Therefore, identifying the epigenetic regulation of OST genes, and HPSE resulting in altered yet specific sulfation patterns in HS chain during virus infection, will be a significant a step toward developing potential diagnostic markers and designing novel therapies.
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Affiliation(s)
- Dominik D Kaltenbach
- Department of Biomedical Sciences, College of Graduate Studies, Midwestern University, Downers Grove, IL, United States
| | - Dinesh Jaishankar
- Department of Ophthalmology & Visual Sciences, University of Illinois at Chicago, Chicago, IL, United States
| | - Meng Hao
- Chicago College of Pharmacy, Midwestern University, Downers Grove, IL, United States
| | - Jacob C Beer
- Chicago College of Osteopathic Medicine, Midwestern University, Downers Grove, IL, United States
| | - Michael V Volin
- Department of Microbiology & Immunology, College of Graduate Studies, Midwestern University, Downers Grove, IL, United States
| | - Umesh R Desai
- Department of Medicinal Chemistry and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA, United States
| | - Vaibhav Tiwari
- Department of Microbiology & Immunology, College of Graduate Studies, Midwestern University, Downers Grove, IL, United States
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13
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Crespo A, García-Suárez O, Fernández-Vega I, Solis-Hernandez MP, García B, Castañón S, Quirós LM. Heparan sulfate proteoglycans undergo differential expression alterations in left sided colorectal cancer, depending on their metastatic character. BMC Cancer 2018; 18:687. [PMID: 29940912 PMCID: PMC6019305 DOI: 10.1186/s12885-018-4597-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 06/15/2018] [Indexed: 12/21/2022] Open
Abstract
Background Heparan sulfate proteoglycans (HSPGs) are complex molecules which play a role in the invasion and growth and metastatic properties of cancerous cells. In this work we analyze changes in the patterns of expression of HSPGs in left sided colorectal cancer (LSCRC), both metastatic and non-metastatic, and the results are also compared with those previously obtained for right sided tumors (RSCRCs). Methods Eighteen LSCRCs were studied using qPCR to analyze the expression of both the proteoglycan core proteins and the enzymes involved in heparan sulfate chain biosynthesis. Certain HSPGs also carry chondroitin sulfate chains and so we also studied the genes involved in its biosynthesis. The expression of certain genes that showed significant expression differences were also analysed using immunohistochemical techniques. Results Changes in proteoglycan core proteins were dependent on their location, and the main differences between metastatic and non-metastatic tumors affected cell-surface glypicans, while other molecules were quite similar. Glypicans were also responsible for the main differences between RS- and LS- malignances. Regarding the biosynthesis of heparan sulfate chains, differential alterations in transcription depending on the presence or not of metastasis affected genes involved in the modification of uronic acid (epimerization and 2-O sulfation), and some isoforms responsible for sulfation of glucosamine (NDST1, HS6ST1). Moreover, in RSCRCs differences were preferentially found in the expression of genes involved in C6 and C3 sulfation of glucosamine, but not in NDSTs or SULFs. Finally, synthesis of chondroitin sulfate showed some alterations, which affected various steps, including polimerization and the modification of chains, but the main variations dependent on the presence of metastases were epimerization and 6C sulfation; however, when compared with RSCRCs, the essential divergences affected polymerization of the chains and the 6C sulfation of the galactosamine residue. Conclusions We evidenced alterations in the expression of HSPGs, including the expression of cell surface core proteins, many glycosiltransferases and some enzymes that modify the GAG chains in LSCRCs, but this was dependent on the metastatic nature of the tumor. Some of these alterations are shared with RSCRCs, while others, focused on specific gene groups, are dependent on tumor localization. Electronic supplementary material The online version of this article (10.1186/s12885-018-4597-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ainara Crespo
- Department of Biotechnology, Neiker-Tecnalia Arkaute, 01080, Vitoria-Gasteiz, Spain
| | - Olivia García-Suárez
- Instituto Universitario Fernández-Vega, and Department of Morphology and Cell Biology, University of Oviedo, 33006, Oviedo, Spain
| | - Iván Fernández-Vega
- Instituto Universitario Fernández-Vega, and Department of Pathology, Hospital Universitario Central de Asturias, Oviedo, 33006, Spain.,Department of Surgery and Medical-surgical Specialties, University of Oviedo, 33006, Oviedo, Spain
| | | | - Beatriz García
- Instituto Universitario Fernández-Vega, and Department of Functional Biology, University of Oviedo, 33006, Oviedo, Spain
| | - Sonia Castañón
- Department of Biotechnology, Neiker-Tecnalia Arkaute, 01080, Vitoria-Gasteiz, Spain
| | - Luis M Quirós
- Instituto Universitario Fernández-Vega, and Department of Functional Biology, University of Oviedo, 33006, Oviedo, Spain.
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14
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Heparan Sulfate Proteoglycans in Human Colorectal Cancer. Anal Cell Pathol (Amst) 2018; 2018:8389595. [PMID: 30027065 PMCID: PMC6031075 DOI: 10.1155/2018/8389595] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 05/14/2018] [Accepted: 05/20/2018] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer is the third most common cancer worldwide, accounting for more than 610,000 mortalities every year. Prognosis of patients is highly dependent on the disease stage at diagnosis. Therefore, it is crucial to investigate molecules involved in colorectal cancer tumorigenesis, with possible use as tumor markers. Heparan sulfate proteoglycans are complex molecules present in the cell membrane and extracellular matrix, which play vital roles in cell adhesion, migration, proliferation, and signaling pathways. In colorectal cancer, the cell surface proteoglycan syndecan-2 is upregulated and increases cell migration. Moreover, expression of syndecan-1 and syndecan-4, generally antitumor molecules, is reduced. Levels of glypicans and perlecan are also altered in colorectal cancer; however, their role in tumor progression is not fully understood. In addition, studies have reported increased heparan sulfate remodeling enzymes, as the endosulfatases. Therefore, heparan sulfate proteoglycans are candidate molecules to clarify colorectal cancer tumorigenesis, as well as important targets to therapy and diagnosis.
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15
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Nagarajan A, Malvi P, Wajapeyee N. Heparan Sulfate and Heparan Sulfate Proteoglycans in Cancer Initiation and Progression. Front Endocrinol (Lausanne) 2018; 9:483. [PMID: 30197623 PMCID: PMC6118229 DOI: 10.3389/fendo.2018.00483] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 08/03/2018] [Indexed: 12/28/2022] Open
Abstract
Heparan sulfate (HS) are complex unbranched carbohydrate chains that are heavily modified by sulfate and exist either conjugated to proteins or as free, unconjugated chains. Proteins with covalently bound Heparan sulfate chains are termed Heparan Sulfate Proteoglycans (HSPGs). Both HS and HSPGs bind to various growth factors and act as co-receptors for different cell surface receptors. They also modulate the dynamics and kinetics of various ligand-receptor interactions, which in turn can influence the duration and potency of the signaling. HS and HSPGs have also been shown to exert a structural role as a component of the extracellular matrix, thereby altering processes such as cell adhesion, immune cell infiltration and angiogenesis. Previous studies have shown that HS are deregulated in a variety of solid tumors and hematological malignancies and regulate key aspects of cancer initiation and progression. HS deregulation in cancer can occur as a result of changes in the level of HSPGs or due to changes in the levels of HS biosynthesis and remodeling enzymes. Here, we describe the major cell-autonomous (proliferation, apoptosis/senescence and differentiation) and cell-non-autonomous (angiogenesis, immune evasion, and matrix remodeling) roles of HS and HSPGs in cancer. Finally, we discuss therapeutic opportunities for targeting deregulated HS biosynthesis and HSPGs as a strategy for cancer treatment.
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Affiliation(s)
- Arvindhan Nagarajan
- Department of Pathology, Yale University School of Medicine, New Haven, CT, United States
| | - Parmanand Malvi
- Department of Pathology, Yale University School of Medicine, New Haven, CT, United States
| | - Narendra Wajapeyee
- Department of Pathology, Yale University School of Medicine, New Haven, CT, United States
- Yale Cancer Center, Yale University School of Medicine, New Haven, CT, United States
- *Correspondence: Narendra Wajapeyee
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16
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Chua JS, Kuberan B. Synthetic Xylosides: Probing the Glycosaminoglycan Biosynthetic Machinery for Biomedical Applications. Acc Chem Res 2017; 50:2693-2705. [PMID: 29058876 DOI: 10.1021/acs.accounts.7b00289] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Glycosaminoglycans (GAGs) are polysaccharides ubiquitously found on cell surfaces and in the extracellular matrix (ECM). They regulate numerous cellular signaling events involved in many developmental and pathophysiological processes. GAGs are composed of complex sequences of repeating disaccharide units, each of which can carry many different modifications. The tremendous structural variations account for their ability to bind many proteins and thus, for their numerous functions. Although the sequence of GAG biosynthetic events and the enzymes involved mostly were deduced a decade ago, the emergence of tissue or cell specific GAGs from a nontemplate driven process remains an enigma. Current knowledge favors the hypothesis that macromolecular assemblies of GAG biosynthetic enzymes termed "GAGOSOMEs" coordinate polymerization and fine structural modifications in the Golgi apparatus. Distinct GAG structures arise from the differential channeling of substrates through the Golgi apparatus to various GAGOSOMEs. As GAGs perform multiple regulatory roles, it is of great interest to develop molecular strategies to selectively interfere with GAG biosynthesis for therapeutic applications. In this Account, we assess our present knowledge on GAG biosynthesis, the manipulation of GAG biosynthesis using synthetic xylosides, and the unrealized potential of these xylosides in various biomedical applications. Synthetic xylosides are small molecules consisting of a xylose attached to an aglycone group, and they compete with endogenous proteins for precursors and biosynthetic enzymes to assemble GAGs. This competition reduces endogenous proteoglycan-bound GAGs while increasing xyloside-bound free GAGs, mostly chondroitin sulfate (CS) and less heparan sulfate (HS), resulting in a variety of biological consequences. To date, hundreds of xylosides have been published and the importance of the aglycone group in determining the structure of the primed GAG chains is well established. However, the structure-activity relationship has long been cryptic. Nonetheless, xylosides have been designed to increase HS priming, modified to inhibit endogenous GAG production without priming, and engineered to be more biologically relevant. Synthetic xylosides hold great promise in many biomedical applications and as therapeutics. They are small, orally bioavailable, easily excreted, and utilize the host cell biosynthetic machinery to assemble GAGs that are likely nonimmunogenic. Various xylosides have been shown, in different biological systems, to have anticoagulant effects, selectively kill tumor cells, abrogate angiogenic and metastatic pathways, promote angiogenesis and neuronal growth, and affect embryonic development. However, most of these studies utilized the commercially available one or two β-D-xylosides and focused on the impact of endogenous proteoglycan-bound GAG inhibition on biological activity. Nevertheless, the manipulation of cell behavior as a result of stabilizing growth factor signaling with xyloside-primed GAGs is also reckonable but underexplored. Recent advances in the use of molecular modeling and docking simulations to understand the structure-activity relationships of xylosides have opened up the possibility of a more rational aglycone design to achieve a desirable biological outcome through selective priming and inhibitory activities. We envision these advances will encourage more researchers to explore these fascinating xylosides, harness the GAG biosynthetic machinery for a wider range of biomedical applications, and accelerate the successful transition of xyloside-based therapeutics from bench to bedside.
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Affiliation(s)
- Jie Shi Chua
- Department
of Bioengineering, ‡Department of Medicinal Chemistry, §Department of Biology, and ∥Interdepartmental Program in Neuroscience, University of Utah, Salt Lake City, Utah 84112, United States
| | - Balagurunathan Kuberan
- Department
of Bioengineering, ‡Department of Medicinal Chemistry, §Department of Biology, and ∥Interdepartmental Program in Neuroscience, University of Utah, Salt Lake City, Utah 84112, United States
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17
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Barrow AD, Colonna M. Tailoring Natural Killer cell immunotherapy to the tumour microenvironment. Semin Immunol 2017; 31:30-36. [PMID: 28935344 DOI: 10.1016/j.smim.2017.09.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 09/08/2017] [Indexed: 12/30/2022]
Abstract
Natural killer (NK) cells are cytotoxic and cytokine-secreting cells that can mediate potent anti-tumour activity. Accumulating evidence indicates that NK cell functions are severely compromised within the confines of the tumour microenvironment thus impairing the efficacy and development of NK cell-based therapies. Here we review the various cellular and molecular pathways that tumours have supplanted to evade NK cell surveillance. We highlight novel strategies designed to alleviate or circumvent the immunosuppressive conditions of the tumour microenvironment in order to emancipate NK cell function and stifle the inexorable growth and metastasis of malignant cells.
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Affiliation(s)
- Alexander David Barrow
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
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18
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Snigireva AV, Vrublevskaya VV, Afanasyev VN, Morenkov OS. Cell surface heparan sulfate proteoglycans are involved in the binding of Hsp90α and Hsp90β to the cell plasma membrane. Cell Adh Migr 2016; 9:460-8. [PMID: 26651243 PMCID: PMC4955955 DOI: 10.1080/19336918.2015.1103421] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Extracellular membrane-bound and secreted heat shock protein 90 (Hsp90) is known to be involved in cell motility and invasion. The mechanism of Hsp90 anchoring to the plasma membrane remains obscure. We showed that treatment of human glioblastoma A-172 and fibrosarcoma HT1080 cells with sodium chlorate, heparinase, and heparin causes a prominent loss of 2 Hsp90 cytosolic isoforms, Hsp90α and Hsp90β, from the cell surface and strongly inhibits the binding of exogenous Hsp90 to cells. We revealed that Hsp90α and Hsp90β are partly colocalized with heparan sulfate proteoglycans (HSPGs) on the cell surface and that this colocalization was sensitive to heparin. The results demonstrate that cell surface HSPGs are involved in the binding/anchoring of Hsp90α and Hsp90β to the plasma membrane.
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Affiliation(s)
| | | | - Vladimir N Afanasyev
- a Institute of Cell Biophysics; Russian Academy of Sciences ; Pushchino , Russia
| | - Oleg S Morenkov
- a Institute of Cell Biophysics; Russian Academy of Sciences ; Pushchino , Russia.,b Pushchino State Institute of Life Sciences ; Pushchino , Russia
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19
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Marolla APC, Waisberg J, Saba GT, Waisberg DR, Margeotto FB, Pinhal MADS. Glycomics expression analysis of sulfated glycosaminoglycans of human colorectal cancer tissues and non-neoplastic mucosa by electrospray ionization mass spectrometry. EINSTEIN-SAO PAULO 2016; 13:510-7. [PMID: 26761548 PMCID: PMC4878623 DOI: 10.1590/s1679-45082015ao3477] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Accepted: 10/09/2015] [Indexed: 12/15/2022] Open
Abstract
Objective To determine the presence of glycosaminoglycans in the extracellular matrix of connective tissue from neoplastic and non-neoplastic colorectal tissues, since it has a central role in tumor development and progression. Methods Tissue samples from neoplastic and non-neoplastic colorectal tissues were obtained from 64 operated patients who had colorectal carcinoma with no distant metastases. Expressions of heparan sulphate, chondroitin sulphate, dermatan sulphate and their fragments were analyzed by electrospray ionization mass spectrometry, with the technique for extraction and quantification of glycosaminoglycans after proteolysis and electrophoresis. The statistical analysis included mean, standard deviation, and Student’s t test. Results The glycosaminoglycans extracted from colorectal tissue showed three electrophoretic bands in agarose gel. Electrospray ionization mass spectrometry showed characteristic disaccharide fragments from glycosaminoglycans, indicating their structural characterization in the tissues analyzed. Some peaks in the electrospray ionization mass spectrometry were not characterized as fragments of sugars, indicating the presence of fragments of the protein structure of proteoglycans generated during the glycosaminoglycan purification. The average amount of chondroitin and dermatan increased in the neoplastic tissue compared to normal tissue (p=0.01). On the other hand, the average amount of heparan decreased in the neoplastic tissue compared to normal tissue (p= 0.03). Conclusion The method allowed the determination of the glycosaminoglycans structural profile in colorectal tissue from neoplastic and non-neoplastic colorectal tissue. Neoplastic tissues showed greater amounts of chondroitin sulphate and dermatan sulphate compared to non-neoplastic tissues, while heparan sulphate was decreased in neoplastic tissues.
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Affiliation(s)
| | - Jaques Waisberg
- Hospital do Servidor Público Estadual, São Paulo, SP, Brazil
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20
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Ucakturk E, Akman O, Sun X, Baydar DE, Dolgun A, Zhang F, Linhardt RJ. Changes in composition and sulfation patterns of glycoaminoglycans in renal cell carcinoma. Glycoconj J 2015; 33:103-12. [PMID: 26662466 DOI: 10.1007/s10719-015-9643-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Revised: 11/23/2015] [Accepted: 11/24/2015] [Indexed: 01/08/2023]
Abstract
Glycosaminoglycans (GAGs) are heterogeneous, linear, highly charged, anionic polysaccharides consisting of repeating disaccharides units. GAGs have some biological significance in cancer progression (invasion and metastasis) and cell signaling. In different cancer types, GAGs undergo specific structural changes. In the present study, in depth investigation of changes in sulfation pattern and composition of GAGs, heparan sulfate (HS)/heparin (HP), chondroitin sulfate (CS)/dermatan sulfate and hyaluronan (HA) in normal renal tissue (NRT) and renal cell carcinoma tissue (RCCT) were evaluated. The statistical evaluation showed that alteration of the HS (HSNRT = 415.1 ± 115.3; HSRCCT = 277.5 ± 134.3), and CS (CSNRT = 35.3 ± 12.3; CSRCCT = 166.7 ± 108.8) amounts (in ng/mg dry tissue) were statistically significant (p < 0.05). Sulfation pattern in NRT and RCCT was evaluated to reveal disaccharide profiles. Statistical analyses showed that RCCT samples contain significantly increased amounts (in units of ng/mg dry tissue) of 4SCS (NRT = 25.7 ± 9.4; RCCT = 117.1 ± 73.9), SECS (NRT = 0.7 ± 0.3; RCCT = 4.7 ± 4.5), 6SCS (NRT = 6.1 ± 2.7; RCCT = 39.4 ± 34.7) and significantly decreased amounts (in units of ng/mg dry tissue) of NS6SHS (RCCT = 28.6 ± 6.5, RCCT = 10.2 ± 8.0), NS2SHS (RCCT = 44.2 ± 13.8; RCCT = 27.2 ± 15.0), NSHS (NRT = 68.4 ± 15.8; RCCT = 50.4 ± 21.2), 2S6SHS (NRT = 1.0 ± 0.4; RCCT = 0.4 ± 0.3), and 6SHS (NRT = 60.6 ± 17.5; RCCT = 24.9 ± 12.3). If these changes in GAGs are proven to be specific and sensitive, they may serve as potential biomarkers in RCC. Our findings are likely to help us to show the direction for further investigations to be able to bring different diagnostic and prognostic approaches in renal tumors.
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Affiliation(s)
- Ebru Ucakturk
- Department of Analytical Chemistry, Faculty of Pharmacy, Hacettepe University, 06100, Sıhhıye, Ankara, Turkey.
| | - Orkun Akman
- Department of Pathology, Hacettepe University School of Medicine, 06100, Sıhhıye, Ankara, Turkey
| | - Xiaojun Sun
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
- Department of Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
| | - Dilek Ertoy Baydar
- Department of Pathology, Hacettepe University School of Medicine, 06100, Sıhhıye, Ankara, Turkey
| | - Anil Dolgun
- Department of Biostatistics, Faculty of Medicine, Hacettepe University, 06100, Sıhhıye, Ankara, Turkey
| | - Fuming Zhang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
- Department of Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA.
- Department of Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA.
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA.
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, NY, 12180, USA.
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21
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Fernández-Vega I, García-Suárez O, García B, Crespo A, Astudillo A, Quirós LM. Heparan sulfate proteoglycans undergo differential expression alterations in right sided colorectal cancer, depending on their metastatic character. BMC Cancer 2015; 15:742. [PMID: 26482785 PMCID: PMC4617710 DOI: 10.1186/s12885-015-1724-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 10/08/2015] [Indexed: 12/22/2022] Open
Abstract
Background Heparan sulfate proteoglycans (HSPGs) are complex molecules involved in the growth, invasion and metastatic properties of cancerous cells. This study analyses the alterations in the expression patterns of these molecules in right sided colorectal cancer (CRC), both metastatic and non-metastatic. Methods Twenty right sided CRCs were studied. A transcriptomic approach was used, employing qPCR to analyze both the expression of the enzymes involved in heparan sulfate (HS) chains biosynthesis, as well as the proteoglycan core proteins. Since some of these proteoglycans can also carry chondroitin sulfate (CS) chains, we include the study of the genes involved in the biosynthesis of these glycosaminoglycans. Immunohistochemical techniques were also used to analyze tissue expression of particular genes showing significant expression differences, of potential interest. Results Changes in proteoglycan core proteins differ depending on their location; those located intracellularly or in the extracellular matrix show very similar alteration patterns, while those located on the cell surface vary greatly depending on the nature of the tumor: glypicans 1, 3, 6 and betaglycan are affected in the non-metastatic tumors, whereas in the metastatic, only glypican-1 and syndecan-1 are modified, the latter showing opposing alterations in levels of RNA and of protein, suggesting post-transcriptional regulation in these tumors. Furthermore, in non-metastatic tumors, polymerization of glycosaminoglycan chains is modified, particularly affecting the synthesis of the tetrasaccharide linker and the initiation and elongation of CS chains, HS chains being less affected. Regarding the enzymes responsible for the modificaton of the HS chains, alterations were only found in non-metastatic tumors, affecting N-sulfation and the isoforms HS6ST1, HS3ST3B and HS3ST5. In contrast, synthesis of the CS chains suggests changes in epimerization and sulfation of the C4 and C2 in both types of tumor. Conclusions Right sided CRCs show alterations in the expression of HSPGs, including the expression of the cell surface core proteins, many glycosiltransferases and some enzymes that modify the HS chains depending on the metastatic nature of the tumor, resulting more affected in non-metastatic ones. However, matrix proteoglycans and enzymes involved in CS fine structure synthesis are extensively modified independetly of the presence of lymph node metastasis. Electronic supplementary material The online version of this article (doi:10.1186/s12885-015-1724-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Iván Fernández-Vega
- Servicio de Patología. Hospital Universitario de Araba, Álava, 01009, Spain.
| | - Olivia García-Suárez
- Department of Morphology and Cell Biology, University of Oviedo, 33006, Oviedo, Spain.
| | - Beatriz García
- University Institute of Oncology of Asturias, Oviedo, Spain. .,Department of Functional Biology, University of Oviedo, 33006, Oviedo, Spain.
| | - Ainara Crespo
- Department of Biotechnology, Neiker-Tecnalia Arkaute, 01080, Vitoria-Gasteiz, Spain.
| | - Aurora Astudillo
- University Institute of Oncology of Asturias, Oviedo, Spain. .,Department of Pathology, Hospital, Universitario Central de Asturias, 33006, Oviedo, Spain.
| | - Luis M Quirós
- University Institute of Oncology of Asturias, Oviedo, Spain. .,Department of Functional Biology, University of Oviedo, 33006, Oviedo, Spain.
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22
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Theocharis AD, Skandalis SS, Neill T, Multhaupt HAB, Hubo M, Frey H, Gopal S, Gomes A, Afratis N, Lim HC, Couchman JR, Filmus J, Sanderson RD, Schaefer L, Iozzo RV, Karamanos NK. Insights into the key roles of proteoglycans in breast cancer biology and translational medicine. Biochim Biophys Acta Rev Cancer 2015; 1855:276-300. [PMID: 25829250 DOI: 10.1016/j.bbcan.2015.03.006] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 02/27/2015] [Accepted: 03/24/2015] [Indexed: 12/18/2022]
Abstract
Proteoglycans control numerous normal and pathological processes, among which are morphogenesis, tissue repair, inflammation, vascularization and cancer metastasis. During tumor development and growth, proteoglycan expression is markedly modified in the tumor microenvironment. Altered expression of proteoglycans on tumor and stromal cell membranes affects cancer cell signaling, growth and survival, cell adhesion, migration and angiogenesis. Despite the high complexity and heterogeneity of breast cancer, the rapid evolution in our knowledge that proteoglycans are among the key players in the breast tumor microenvironment suggests their potential as pharmacological targets in this type of cancer. It has been recently suggested that pharmacological treatment may target proteoglycan metabolism, their utilization as targets for immunotherapy or their direct use as therapeutic agents. The diversity inherent in the proteoglycans that will be presented herein provides the potential for multiple layers of regulation of breast tumor behavior. This review summarizes recent developments concerning the biology of selected proteoglycans in breast cancer, and presents potential targeted therapeutic approaches based on their novel key roles in breast cancer.
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Affiliation(s)
- Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece
| | - Spyros S Skandalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece
| | - Thomas Neill
- Department of Pathology, Anatomy and Cell Biology and the Cancer Cell Biology and Signaling Program, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Hinke A B Multhaupt
- Department of Biomedical Sciences and Biotech Research & Innovation Center, University of Copenhagen, Denmark
| | - Mario Hubo
- University of Frankfurt, Institute of Pharmacology and Toxicology, Theodor-Stern Kai 7, Frankfurt 60590, Germany
| | - Helena Frey
- University of Frankfurt, Institute of Pharmacology and Toxicology, Theodor-Stern Kai 7, Frankfurt 60590, Germany
| | - Sandeep Gopal
- Department of Biomedical Sciences and Biotech Research & Innovation Center, University of Copenhagen, Denmark
| | - Angélica Gomes
- Department of Biomedical Sciences and Biotech Research & Innovation Center, University of Copenhagen, Denmark
| | - Nikos Afratis
- Department of Biomedical Sciences and Biotech Research & Innovation Center, University of Copenhagen, Denmark
| | - Hooi Ching Lim
- Department of Biomedical Sciences and Biotech Research & Innovation Center, University of Copenhagen, Denmark
| | - John R Couchman
- Department of Biomedical Sciences and Biotech Research & Innovation Center, University of Copenhagen, Denmark
| | - Jorge Filmus
- Department of Biological Sciences, Sunnybrook Research Institute and Department of Medical Biophysics, University of Toronto, Canada
| | - Ralph D Sanderson
- University of Alabama at Birmingham, Department of Pathology, UAB Comprehensive Cancer Center, 1720 2nd Ave. S, WTI 602B, Birmingham, AL 35294, USA
| | - Liliana Schaefer
- University of Frankfurt, Institute of Pharmacology and Toxicology, Theodor-Stern Kai 7, Frankfurt 60590, Germany
| | - Renato V Iozzo
- Department of Pathology, Anatomy and Cell Biology and the Cancer Cell Biology and Signaling Program, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 26500 Patras, Greece.
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Okolicsanyi RK, van Wijnen AJ, Cool SM, Stein GS, Griffiths LR, Haupt LM. Heparan sulfate proteoglycans and human breast cancer epithelial cell tumorigenicity. J Cell Biochem 2014; 115:967-76. [PMID: 24357546 DOI: 10.1002/jcb.24746] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 12/05/2013] [Indexed: 01/05/2023]
Abstract
Heparan sulfate proteoglycans (HSPGs) are key components of the extracellular matrix that mediate cell proliferation, invasion, and cellular signaling. The biological functions of HSPGs are linked to their co-stimulatory effects on extracellular ligands (e.g., WNTs) and the resulting activation of transcription factors that control mammalian development but also associated with tumorigenesis. We examined the expression profile of HSPG core protein syndecans (SDC1-4) and glypicans (GPC1-6) along with the enzymes that initiate or modify their glycosaminoglycan chains in human breast cancer (HBC) epithelial cells. Gene expression in relation to cell proliferation was examined in the HBC cell lines MCF-7 and MDA-MB-231 following treatment with the HS agonist heparin. Heparin increased gene expression of chain initiation and modification enzymes including EXT1 and NDST1, as well as core proteins SDC2 and GPC6. With HS/Wnt interactions established, we next investigated WNT pathway components and observed that increased proliferation of the more invasive MDA-MB-231 cells is associated with activation of the Wnt signaling pathway. Specifically, there was substantial upregulation (>5-fold) of AXIN1, WNT4A, and MYC in MDA-MB-231 but not in MCF-7 cells. The changes in gene expression observed for HSPG core proteins and related enzymes along with the associated Wnt signaling components suggest coordinated interactions. The influence of HSPGs on cellular proliferation and invasive potential of breast cancer epithelial cells are cell and niche specific. Further studies on the interactions between HSPGs and WNT ligands may yield clinically relevant molecular targets, as well as new biomarkers for characterization of breast cancer progression.
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Affiliation(s)
- Rachel K Okolicsanyi
- Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia
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Choi EJ, Yun JA, Jeon EK, Won HS, Ko YH, Kim SY. Prognostic significance of RSPO1, WNT1, P16, WT1, and SDC1 expressions in invasive ductal carcinoma of the breast. World J Surg Oncol 2013; 11:314. [PMID: 24373193 PMCID: PMC3879324 DOI: 10.1186/1477-7819-11-314] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Accepted: 12/16/2013] [Indexed: 12/30/2022] Open
Abstract
Background To better understand the mechanisms of the SDC1 expression in invasive ductal carcinoma, we studied the correlations between SDC1 expression and related gene expressions (RSPO1, WNT1, WT1, and P16). Methods Using 100 cases of invasive ductal carcinoma tissue, we screened expressions of RSPO1, WNT1, WT1, P16, and SDC1 using immunohistochemistry. We analyzed the association between the immunoreactivities and clinicopathological parameters. Results WT1 expression was associated with tumor grade. RSPO1 expression was associated with progesterone receptor expression. Expressions of RSPO1, WT1, and P16 were significantly associated with disease-free survival. RSPO1 and P16 showed statistically significant hazard ratios. SDC1 ectodomain expression was significantly associated only with P16 expression. Immunoreactivity of SDC1 cytoplasmic domain was associated with WT1 and WNT1. However, WNT1 expression failed to show a significant association with disease-free survival. Conclusions RSPO1 and P16 immunoreactivity was found to be an independent prognostic indicator in invasive ductal cancer. Cytoplasmic expression of SDC1 is positively correlated with tumor-prone proteins (WT1 and WNT1) and membranous expression of SDC1 is positively correlated with the tumor suppressor (P16).
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Affiliation(s)
| | | | | | | | | | - Su Young Kim
- Department of Pathology, The Catholic University of Korea, School of Medicine, Seochogu Banpodaero 222, Seoul 137-701, Republic of Korea.
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Suarez ER, Paredes-Gamero EJ, Del Giglio A, Tersariol ILDS, Nader HB, Pinhal MAS. Heparan sulfate mediates trastuzumab effect in breast cancer cells. BMC Cancer 2013; 13:444. [PMID: 24083474 PMCID: PMC3850728 DOI: 10.1186/1471-2407-13-444] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Accepted: 09/26/2013] [Indexed: 11/12/2022] Open
Abstract
Background Trastuzumab is an antibody widely used in the treatment of breast cancer cases that test positive for the human epidermal growth factor receptor 2 (HER2). Many patients, however, become resistant to this antibody, whose resistance has become a major focus in breast cancer research. But despite this interest, there are still no reliable markers that can be used to identify resistant patients. A possible role of several extracellular matrix (ECM) components—heparan sulfate (HS), Syn-1(Syndecan-1) and heparanase (HPSE1)—in light of the influence of ECM alterations on the action of several compounds on the cells and cancer development, was therefore investigated in breast cancer cell resistance to trastuzumab. Methods The cDNA of the enzyme responsible for cleaving HS chains from proteoglycans, HPSE1, was cloned in the pEGFP-N1 plasmid and transfected into a breast cancer cell lineage. We evaluated cell viability after trastuzumab treatment using different breast cancer cell lines. Trastuzumab and HS interaction was investigated by confocal microscopy and Fluorescence Resonance Energy Transfer (FRET). The profile of sulfated glycosaminoglycans was also investigated by [35S]-sulfate incorporation. Quantitative RT-PCR and immunofluorescence were used to evaluate HPSE1, HER2 and Syn-1 mRNA expression. HPSE1 enzymatic activity was performed using biotinylated heparan sulfate. Results Breast cancer cell lines responsive to trastuzumab present higher amounts of HER2, Syn-1 and HS on the cell surface, but lower levels of secreted HS. Trastuzumab and HS interaction was proven by FRET analysis. The addition of anti-HS to the cells or heparin to the culture medium induced resistance to trastuzumab in breast cancer cells previously sensitive to this monoclonal antibody. Breast cancer cells transfected with HPSE1 became resistant to trastuzumab, showing lower levels of HER2, Syn-1 and HS on the cell surface. In addition, HS shedding was increased significantly in these resistant cells. Conclusion Trastuzumab action is dependent on the availability of heparan sulfate on the surface of breast cancer cells. Furthermore, our data suggest that high levels of heparan sulfate shed to the medium are able to capture trastuzumab, blocking the antibody action mediated by HER2. In addition to HER2 levels, heparan sulfate synthesis and shedding determine breast cancer cell susceptibility to trastuzumab.
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Affiliation(s)
- Eloah Rabello Suarez
- Department of Biochemistry, Universidade Federal de São Paulo, Rua Três de Maio, 100, Vila Clementino, 04044-020, São Paulo, SP, Brazil.
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Heparan sulfate and heparanase as modulators of breast cancer progression. BIOMED RESEARCH INTERNATIONAL 2013; 2013:852093. [PMID: 23984412 PMCID: PMC3747466 DOI: 10.1155/2013/852093] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Accepted: 07/04/2013] [Indexed: 12/16/2022]
Abstract
Breast cancer is defined as a cancer originating in tissues of the breast, frequently in ducts and lobules. During the last 30 years, studies to understand the biology and to treat breast tumor improved patients' survival rates. These studies have focused on genetic components involved in tumor progression and on tumor microenvironment. Heparan sulfate proteoglycans (HSPGs) are involved in cell signaling, adhesion, extracellular matrix assembly, and growth factors storage. As a central molecule, HSPG regulates cell behavior and tumor progression. HS accompanied by its glycosaminoglycan counterparts regulates tissue homeostasis and cancer development. These molecules present opposite effects according to tumor type or cancer model. Studies in this area may contribute to unveil glycosaminoglycan activities on cell dynamics during breast cancer exploring these polysaccharides as antitumor agents. Heparanase is a potent tumor modulator due to its protumorigenic, proangiogenic, and prometastatic activities. Several lines of evidence indicate that heparanase is upregulated in all human sarcomas and carcinomas. Heparanase seems to be related to several aspects regulating the potential of breast cancer metastasis. Due to its multiple roles, heparanase is seen as a target in cancer treatment. We will describe recent findings on the function of HSPGs and heparanase in breast cancer behavior and progression.
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Tzeng ST, Tsai MH, Chen CL, Lee JX, Jao TM, Yu SL, Yen SJ, Yang YC. NDST4 is a novel candidate tumor suppressor gene at chromosome 4q26 and its genetic loss predicts adverse prognosis in colorectal cancer. PLoS One 2013; 8:e67040. [PMID: 23825612 PMCID: PMC3692540 DOI: 10.1371/journal.pone.0067040] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 05/13/2013] [Indexed: 12/13/2022] Open
Abstract
Background Genomic deletion at tumor suppressor loci is a common genetic aberration in human cancers. The study aimed to explore candidate tumor suppressor genes at chromosome 4q25-q28.2 and to delineate novel prognostic biomarkers associated with colorectal cancer (CRC). Methods Deletion mapping of chromosome 4q25-q28.2 was conducted in 114 sporadic CRC by loss of heterozygosity study with 11 microsatellite markers. A novel candidate tumor suppressor gene, namely NDST4, was identified at 4q26. Gene expression of NDST4 was investigated in 52 pairs of primary CRC tissues by quantitative reverse transcription-polymerase chain reaction. Allelic loss of NDST4 gene was further determined in 174 colorectal carcinomas by loss of heterozygosity analysis, and then was assessed for clinical relevance. Results One minimal deletion region was delineated between D4S2297 and D4S2303 loci at 4q26, where NDST4 was the only gene that had markedly been downregulated in CRC tumors. By laser capture microdissection, NDST4 RNA expression was demonstrated in colonic epithelial cells, but was undetectable in tumor cells. In total, 30 (57.7%) of 52 colorectal carcinomas showed a dramatic reduction in NDST4 gene expression compared with matched normal mucosae. The genetic loss of NDST4 was significantly associated with advanced pathological stage (P = 0.039) and poorer overall survival of patients (P = 0.036). Conclusions NDST4 gene is a novel candidate tumor suppressor gene in human cancer, and the loss of its function might be involved in CRC progression. In addition, the loss of heterozygosity assay, which was established to determine the allelic loss of NDST4 gene, could be a cost-effective tool for providing a useful biomarker of adverse prognosis in CRC.
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Affiliation(s)
- Sheng-Tai Tzeng
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ming-Hong Tsai
- Department of Surgery, Cardinal Tien Hospital, New Taipei City, Taiwan
- School of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
| | - Chi-Long Chen
- Department of Pathology, Taipei Municipal Wan Fang Hospital and Taipei Medical University, Taipei, Taiwan
| | - Jing-Xing Lee
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Tzu-Ming Jao
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Sung-Liang Yu
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Sou-Jhy Yen
- Department of Surgery, Cardinal Tien Hospital, New Taipei City, Taiwan
| | - Ya-Chien Yang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
- * E-mail:
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Fernández-Vega I, García O, Crespo A, Castañón S, Menéndez P, Astudillo A, Quirós LM. Specific genes involved in synthesis and editing of heparan sulfate proteoglycans show altered expression patterns in breast cancer. BMC Cancer 2013; 13:24. [PMID: 23327652 PMCID: PMC3561094 DOI: 10.1186/1471-2407-13-24] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 01/11/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The expression of a specific set of genes controls the different structures of heparan sulfate proteoglycans (HSPGs), which are involved in the growth, invasion and metastatic properties of cancerous cells. The purpose of this study is to increase knowledge of HSPG alterations in breast cancer. METHODS Twenty-three infiltrating ductal adenocarcinomas (IDCs), both metastatic and non-metastatic were studied. A transcriptomic approach to the structure of heparan sulfate (HS) chains was used, employing qPCR to analyze both the expression of the enzymes involved in their biosynthesis and editing, as well as the proteoglycan core proteins. Since some of these proteoglycans can also carry chondroitin sulfate chains, we extended the study to include the genes involved in the biosynthesis of these glycosaminoglycans. Histochemical techniques were also used to analyze tissular expression of particular genes showing significant expression differences, of potential interest. RESULTS No significant change in transcription was detected in approximately 70% of analyzed genes. However, 13 demonstrated changes in both tumor types (40% showing more intense deregulation in the metastatic), while 5 genes showed changes only in non-metastatic tumors. Changes were related to 3 core proteins: overexpression of syndecan-1 and underexpression of glypican-3 and perlecan. HS synthesis was affected by lower levels of some 3-O-sulfotransferase transcripts, the expression of NDST4 and, only in non metastatic tumors, higher levels of extracellular sulfatases. Furthermore, the expression of chondroitin sulfate also was considerably affected, involving both the synthesis of the saccharidic chains and sulfations at all locations. However, the pro-metastatic enzyme heparanase did not exhibit significant changes in mRNA expression, although in metastatic tumors it appeared related to increased levels of the most stable form of mRNA. Finally, the expression of heparanase 2, which displays anti-metastatic features, experienced a strong deregulation in all patients analyzed. CONCLUSIONS IDCs show alterations in the expression of HSPG genes; principally the expression and localization of proteoglycans and the sulfation patterns of glycosaminoglycan chains, depending on the metastatic nature of the tumor. In addition, the anti-proliferative molecule heparanase 2 experiences strong deregulation, thus highlighting it as a potentially interesting diagnostic factor.
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Affiliation(s)
- Iván Fernández-Vega
- Department of Pathology, Hospital Universitario Central de Asturias, Oviedo 33006, Spain
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Hammond E, Brandt R, Dredge K. PG545, a heparan sulfate mimetic, reduces heparanase expression in vivo, blocks spontaneous metastases and enhances overall survival in the 4T1 breast carcinoma model. PLoS One 2012; 7:e52175. [PMID: 23300607 PMCID: PMC3530599 DOI: 10.1371/journal.pone.0052175] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Accepted: 11/15/2012] [Indexed: 12/12/2022] Open
Abstract
PG545 is a clinically relevant heparan sulfate (HS) mimetic which, in addition to possessing anti-angiogenic properties, also acts as a heparanase inhibitor which may differentiate its mechanism(s) of action from approved angiogenesis inhibitors. The degradation of HS by heparanase has been strongly implicated in cell dissemination and the metastatic process. Thus, the anti-metastatic activity of PG545 has been linked to the enzymatic function of heparanase - the only endoglycosidase known to cleave HS, an important component of the extracellular matrix (ECM) which represents a potential avenue for therapeutic intervention for certain metastatic cancer indications. Recent concerns raised about the paucity of overall survival as an endpoint in mouse models of clinically relevant metastasis led us to examine the effect of PG545 on the progression of both primary tumor growth and the spontaneously metastasizing disease in the 4T1 syngeneic breast carcinoma model in a non-surgical and surgical (mastectomy) setting. PG545 significantly inhibited primary tumor growth but importantly also inhibited lung metastasis in treated mice, an effect not observed with the tyrosine kinase inhibitor sorafenib. Importantly, PG545 significantly enhanced overall survival compared to vehicle control and the sorafenib group, suggesting PG545's inhibitory effect on heparanase is indeed a critical attribute to induce anti-metastatic activity. In addition to blocking a common angiogenic signalling pathway in tumor cells, the expression of heparanase in the primary tumor and lung was also significantly reduced by PG545 treatment. These results support the ongoing development of PG545 and highlight the potential utility in metastatic disease settings.
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Affiliation(s)
- Edward Hammond
- Research and Development, Progen Pharmaceuticals, Darra, Queensland, Australia.
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Discovery of novel sulfonated small molecules that inhibit vascular tube formation. Bioorg Med Chem Lett 2012; 22:4467-70. [PMID: 22627041 DOI: 10.1016/j.bmcl.2012.04.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Revised: 03/24/2012] [Accepted: 04/03/2012] [Indexed: 11/20/2022]
Abstract
Tumor-associated angiogenesis is a complex process that involves the interplay among several molecular players such as cell-surface heparan sulfate proteoglycans, vascular endothelial growth factors and their cognate receptors. PI-88, a highly sulfonated oligosaccharide, has been shown to have potent anti-angiogenic activity and is currently in clinical trials. However, one of the major drawbacks of large oligosaccharides such as PI-88 is that their synthesis often requires numerous complex synthetic steps. In this study, several novel polysulfonated small molecule carbohydrate mimetics, which can easily be synthesized in fewer steps, are identified as promising inhibitors of angiogenesis in an in vitro tube formation assay.
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Patankar MS, Gubbels JAA, Felder M, Connor JP. The immunomodulating roles of glycoproteins in epithelial ovarian cancer. Front Biosci (Elite Ed) 2012; 4:631-50. [PMID: 22201900 DOI: 10.2741/405] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The complexity of the immune system demands an intricate defense mechanism by tumors. Ovarian and other tumors employ specific glycoproteins and the associated glycan sequences to modulate immune responses. Glycoproteins enable tumor cells that express or secrete these molecules to evade immune cell attack and induce the immune system to promote tumor growth. This review focuses first on the immune environment in ovarian cancer, and the mechanisms of activation and inhibition that immune cells undergo in order to either attack or ignore a target cell. Next we illustrate the immunomodulatory roles of ovarian cancer-associated glycans and glycoproteins in 1. preventing immune synapse formation, 2. serving as ligands of immune cell receptors, 3. scavenging cytokines and chemokines, and 4. participating in the formation of autoantibodies against the tumor. The importance of these immunomodulating strategies from the view points of understanding the tumor immunology of ovarian tumors, potential origin of such mechanisms, and specific strategies to circumvent the glycoconjugate-mediated suppression of immune responses is discussed in this review.
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Affiliation(s)
- Manish S Patankar
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, WI 53792-6188, USA.
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Raman K, Nguyen TKN, Kuberan B. Is N-sulfation just a gateway modification during heparan sulfate biosynthesis? FEBS Lett 2011; 585:3420-3. [PMID: 21983289 DOI: 10.1016/j.febslet.2011.09.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2011] [Revised: 09/14/2011] [Accepted: 09/26/2011] [Indexed: 11/25/2022]
Abstract
Several biologically important growth factor-heparan sulfate (HS) interactions are regulated by HS sulfation patterns. However, the biogenesis of these combinatorial sulfation patterns is largely unknown. N-Deacetylase/N-sulfotrasferase (NDST) converts N-acetyl-d-glucosamine residues to N-sulfo-d-glucosamine residues. This enzyme is suggested to be a gateway enzyme because N-sulfation dictates the final HS sulfation pattern. It is known that O-sulfation blocks C5-epimerase, which acts immediately after NDST action. However, it is still unknown whether O-sulfation inhibits NDST action in a similar manner. In this article we radically change conventional assumptions regarding HS biosynthesis by providing in vitro evidence that N-sulfation is not necessarily just a gateway modification during HS biosynthesis.
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Affiliation(s)
- Karthik Raman
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
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Zhang M, Liang L, Xu M, Qureshi AA, Han J. Pathway analysis for genome-wide association study of basal cell carcinoma of the skin. PLoS One 2011; 6:e22760. [PMID: 21829505 PMCID: PMC3145747 DOI: 10.1371/journal.pone.0022760] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2011] [Accepted: 06/28/2011] [Indexed: 01/03/2023] Open
Abstract
Background Recently, a pathway-based approach has been developed to evaluate the cumulative contribution of the functionally related genes for genome-wide association studies (GWASs), which may help utilize GWAS data to a greater extent. Methods In this study, we applied this approach for the GWAS of basal cell carcinoma (BCC) of the skin. We first conducted the BCC GWAS among 1,797 BCC cases and 5,197 controls in Caucasians with 740,760 genotyped SNPs. 115,688 SNPs were grouped into gene transcripts within 20 kb in distance and then into 174 Kyoto Encyclopedia of Genes and Genomes pathways, 205 BioCarta pathways, as well as two positive control gene sets (pigmentation gene set and BCC risk gene set). The association of each pathway with BCC risk was evaluated using the weighted Kolmogorov-Smirnov test. One thousand permutations were conducted to assess the significance. Results Both of the positive control gene sets reached pathway p-values<0.05. Four other pathways were also significantly associated with BCC risk: the heparan sulfate biosynthesis pathway (p = 0.007, false discovery rate, FDR = 0.35), the mCalpain pathway (p = 0.002, FDR = 0.12), the Rho cell motility signaling pathway (p = 0.011, FDR = 0.30), and the nitric oxide pathway (p = 0.022, FDR = 0.42). Conclusion We identified four pathways associated with BCC risk, which may offer new insights into the etiology of BCC upon further validation, and this approach may help identify potential biological pathways that might be missed by the standard GWAS approach.
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Affiliation(s)
- Mingfeng Zhang
- Department of Dermatology, Clinical Research Program, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.
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Nguyen TKN, Raman K, Tran VM, Kuberan B. Investigating the mechanism of the assembly of FGF1-binding heparan sulfate motifs. FEBS Lett 2011; 585:2698-702. [PMID: 21803043 DOI: 10.1016/j.febslet.2011.07.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Revised: 07/19/2011] [Accepted: 07/20/2011] [Indexed: 11/24/2022]
Abstract
Heparan sulfate (HS) chains play crucial biological roles by binding to various signaling molecules including fibroblast growth factors (FGFs). Distinct sulfation patterns of HS chains are required for their binding to FGFs/FGF receptors (FGFRs). These sulfation patterns are putatively regulated by biosynthetic enzyme complexes, called GAGOSOMES, in the Golgi. While the structural requirements of HS-FGF interactions have been described previously, it is still unclear how the FGF-binding motif is assembled in vivo. In this study, we generated HS structures using biosynthetic enzymes in a sequential or concurrent manner to elucidate the potential mechanism by which the FGF1-binding HS motif is assembled. Our results indicate that the HS chains form ternary complexes with FGF1/FGFR when enzymes carry out modifications in a specific manner.
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Affiliation(s)
- Thao Kim Nu Nguyen
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
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Hydrogen/deuterium exchange-LC-MS approach to characterize the action of heparan sulfate C5-epimerase. Anal Bioanal Chem 2011; 401:237-44. [PMID: 21573838 DOI: 10.1007/s00216-011-5087-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Revised: 05/03/2011] [Accepted: 05/04/2011] [Indexed: 01/19/2023]
Abstract
Heparan sulfate (HS) proteoglycans regulate a number of biological functions in many systems. Most of the functions of HS are attributed to its unique structure, consisting of sulfated and non-sulfated domains, arising from the differential presence of iduronyl and glucuronyl residues along the polysaccharide chain. A single glucuronyl C5-epimerase enzyme acts on HS precursors, converts glucuronyl residues into iduronyl residues, and modulates subsequent biosynthetic steps in vivo. Previously, the ratios of non-sulfated epimers within the polysaccharide chain have been calculated by resolving radiolabeled GlcA-(A)Man(R) and IdoA-(A)Man(R) disaccharides using a tedious paper chromatography technique. This radioactive assay, based on measuring either the release or incorporation of (3)H at C5 carbon of uronyl residues of (3)H-labeled HS precursor substrate, has been in use over three decades to characterize the action of HS C5-epimerase. We have developed a non-radioactive assay to estimate the epimerase activity through resolving GlcA-(A)Man(R) and IdoA-(A)Man(R) disaccharides on high-performance liquid chromatography in conjunction with hydrogen/deuterium exchange upon epimerization protocol-liquid chromatography mass spectrometry (DEEP-LC-MS). Utilizing this new, non-radioactive-based assay, DEEP-LC-MS, we were able to determine the extent of both forward and reverse reactions on the same substrate catalyzed by C5-epimerase. The results from this study also provide insights into the action of C5-epimerase and provide an opportunity to delineate snapshots of biosynthetic events that occur during the HSPG assembly in the Golgi.
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Whitelock J, Melrose J. Heparan sulfate proteoglycans in healthy and diseased systems. WILEY INTERDISCIPLINARY REVIEWS-SYSTEMS BIOLOGY AND MEDICINE 2011; 3:739-51. [PMID: 21462353 DOI: 10.1002/wsbm.149] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Heparin and heparan sulfate (HS) are glycosaminoglycans (GAGs) that are synthesized in the tissues and organs of mammals. They are synthesized and attached to a core protein as proteoglycans through serine-glycine concensus motifs along the core protein. These GAGs are linear polysaccharides composed of repeating disaccharide saccharide units that are variously modified along their length. As a consequence of these modifications naturally occurring heparin and HS are extremely heterogeneous in their structures. A diverse range of proteins bind heparin and HS. The types of proteins that bind are dictated by the structure of the HS or heparin chains with which they are interacting. Heparan sulfates play major roles in tissue development and in maintaining homeostasis within healthy individuals. Recent genetic studies illustrate that alterations in their structural organization can have important consequences often giving rise to, or directly causing, a disease situation. A greater understanding of the repertoire of proteins with which heparin and HS interact and the diseases that can be caused by perturbations in the structures of heparin and HS proteoglycan may provide insights into possible therapeutic interventions. These issues are discussed with a focus on musculoskeletal phenotypes and diseases.
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Affiliation(s)
- John Whitelock
- Graduate School of Biomedical Engineering, The University of New South Wales, Kensington, New South Wales, Australia.
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Pearson AG, Kiefel MJ, Ferro V, von Itzstein M. Synthesis of simple heparanase substrates. Org Biomol Chem 2011; 9:4614-25. [DOI: 10.1039/c1ob05165b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yin X, Truty J, Lawrence R, Johns SC, Srinivasan RS, Handel TM, Fuster MM. A critical role for lymphatic endothelial heparan sulfate in lymph node metastasis. Mol Cancer 2010; 9:316. [PMID: 21172016 PMCID: PMC3019167 DOI: 10.1186/1476-4598-9-316] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Accepted: 12/20/2010] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Lymph node metastasis constitutes a key event in tumor progression. The molecular control of this process is poorly understood. Heparan sulfate is a linear polysaccharide consisting of unique sulfate-modified disaccharide repeats that allow the glycan to bind a variety of proteins, including chemokines. While some chemokines may drive lymphatic trafficking of tumor cells, the functional and genetic importance of heparan sulfate as a possible mediator of chemokine actions in lymphatic metastasis has not been reported. RESULTS We applied a loss-of-function genetic approach employing lymphatic endothelial conditional mutations in heparan sulfate biosynthesis to study the effects on tumor-lymphatic trafficking and lymph node metastasis. Lymphatic endothelial deficiency in N-deacetylase/N-sulfotransferase-1 (Ndst1), a key enzyme involved in sulfating nascent heparan sulfate chains, resulted in altered lymph node metastasis in tumor-bearing gene targeted mice. This occurred in mice harboring either a pan-endothelial Ndst1 mutation or an inducible lymphatic-endothelial specific mutation in Ndst1. In addition to a marked reduction in tumor metastases to the regional lymph nodes in mutant mice, specific immuno-localization of CCL21, a heparin-binding chemokine known to regulate leukocyte and possibly tumor-cell traffic, showed a marked reduction in its ability to associate with tumor cells in mutant lymph nodes. In vitro modified chemotaxis studies targeting heparan sulfate biosynthesis in lymphatic endothelial cells revealed that heparan sulfate secreted by lymphatic endothelium is required for CCL21-dependent directional migration of murine as well as human lung carcinoma cells toward the targeted lymphatic endothelium. Lymphatic heparan sulfate was also required for binding of CCL21 to its receptor CCR7 on tumor cells as well as the activation of migration signaling pathways in tumor cells exposed to lymphatic conditioned medium. Finally, lymphatic cell-surface heparan sulfate facilitated receptor-dependent binding and concentration of CCL21 on the lymphatic endothelium, thereby serving as a mechanism to generate lymphatic chemokine gradients. CONCLUSIONS This work demonstrates the genetic importance of host lymphatic heparan sulfate in mediating chemokine dependent tumor-cell traffic in the lymphatic microenvironment. The impact on chemokine dependent lymphatic metastasis may guide novel therapeutic strategies.
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Affiliation(s)
- Xin Yin
- Department of Medicine, Division of Pulmonary and Critical Care, University of California San Diego, La Jolla, CA 92037 USA
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Tsuzuki Y, Nguyen TKN, Garud DR, Kuberan B, Koketsu M. 4-Deoxy-4-fluoro-xyloside derivatives as inhibitors of glycosaminoglycan biosynthesis. Bioorg Med Chem Lett 2010; 20:7269-73. [DOI: 10.1016/j.bmcl.2010.10.085] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Revised: 10/06/2010] [Accepted: 10/18/2010] [Indexed: 01/08/2023]
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Raman K, Ninomiya M, Nguyen TKN, Tsuzuki Y, Koketsu M, Kuberan B. Novel glycosaminoglycan biosynthetic inhibitors affect tumor-associated angiogenesis. Biochem Biophys Res Commun 2010; 404:86-9. [PMID: 21094131 DOI: 10.1016/j.bbrc.2010.11.069] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2010] [Accepted: 11/15/2010] [Indexed: 02/06/2023]
Abstract
Heparan sulfate proteoglycans (HSPGs) are essential players in several steps of tumor-associated angiogenesis. As co-receptors for several pro-angiogenic factors such as VEGF and FGF, HSPGs regulate receptor-ligand interactions and play a vital role in signal transduction. Previously, we have employed an enzymatic strategy to show the importance of cell surface HSPGs in endothelial tube formation in vitro. We have recently found several fluoro-xylosides that can selectively inhibit proteoglycan synthesis in endothelial cells. The current study demonstrates that these fluoro-xylosides are effective inhibitors of endothelial tube formation in vitro using a matrigel based assay to simulate tumor-associated angiogenesis. These first generation scaffolds offer a promising stepping-stone to the discovery of more potent fluoro-xylosides that can effectively neutralize tumor growth.
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Affiliation(s)
- Karthik Raman
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
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Tran VM, Nguyen TKN, Raman K, Kuberan B. Applications of isotopes in advancing structural and functional heparanomics. Anal Bioanal Chem 2010; 399:559-70. [PMID: 20838780 DOI: 10.1007/s00216-010-4166-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2010] [Revised: 08/23/2010] [Accepted: 08/24/2010] [Indexed: 12/11/2022]
Abstract
Heparanomics is the study of all the biologically active oligosaccharide domain structures in the entire heparanome and the nature of the interactions among these domains and their protein ligands. Structural elucidation of heparan sulfate and heparin oligosaccharides is a major obstacle in advancing structure-function relationships and heparanomics. There are several factors that exacerbate the challenges involved in the structural elucidation of heparin and heparan sulfate; therefore, there is great interest in developing novel strategies and analytical tools to overcome the barriers in decoding the enigmatic heparanome. This review focuses on the applications of isotopes, both radioisotopes and stable isotopes, in the structural elucidation of the complex heparanome at the disaccharide or oligosaccharide level using liquid chromatography, nuclear magnetic resonance spectroscopy, and mass spectrometry. This review also outlines the utility of isotopes in determining the substrate specificity of biosynthetic enzymes that eventually dictate the emergence of biologically active oligosaccharides.
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Affiliation(s)
- Vy M Tran
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
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Nguyen TKN, Tran VM, Victor XV, Skalicky JJ, Kuberan B. Characterization of uniformly and atom-specifically (13)C-labeled heparin and heparan sulfate polysaccharide precursors using (13)C NMR spectroscopy and ESI mass spectrometry. Carbohydr Res 2010; 345:2228-32. [PMID: 20832774 DOI: 10.1016/j.carres.2010.08.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Revised: 07/30/2010] [Accepted: 08/17/2010] [Indexed: 10/19/2022]
Abstract
The biological actions of heparin and heparan sulfate, two structurally related glycosaminoglycans, depend on the organization of the complex heparanome. Due to the structural complexity of the heparanome, the sequence of variably sulfonated uronic acid and glucosamine residues is usually characterized by the analysis of smaller oligosaccharide and disaccharide fragments. Even characterization of smaller heparin and heparan sulfate oligosaccharide or disaccharide fragments using simple 1D (1)H NMR spectroscopy is often complicated by the extensive signal overlap. (13)C NMR signals, on the other hand, overlap less and therefore, (13)C NMR spectroscopy can greatly facilitate the structural elucidation of the complex heparanome and provide finer insights into the structural basis for biological functions. This is the first report of the preparation of anomeric carbon-specific (13)C-labeled heparin and heparan sulfate precursors from the Escherichia coli K5 strain. Uniformly (13)C- and (15)N-labeled precursors were also produced and characterized by (13)C NMR spectroscopy. Mass spectrometric analysis of enzymatically fragmented disaccharides revealed that anomeric carbon-specific labeling efforts resulted in a minor loss/scrambling of (13)C in the precursor backbone, whereas uniform labeling efforts resulted in greater than 95% (13)C isotope enrichment in the precursor backbone. These labeled precursors provided high-resolution NMR signals with great sensitivity and set the stage for studying the heparanome-proteome interactions.
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Affiliation(s)
- Thao K N Nguyen
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, United States
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Tran VM, Victor XV, Yockman JW, Kuberan B. RGD-xyloside conjugates prime glycosaminoglycans. Glycoconj J 2010; 27:625-33. [PMID: 20717719 DOI: 10.1007/s10719-010-9306-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2010] [Revised: 07/28/2010] [Accepted: 08/05/2010] [Indexed: 01/16/2023]
Abstract
Glycosaminoglycans (GAG) play decisive roles in various cardio-vascular & cancer-associated processes. Changes in the expression of GAG fine structures, attributed to deregulation of their biosynthetic and catabolic enzymes, are hallmarks of vascular dysfunction and tumor progression. The wide spread role of GAG chains in blood clotting, wound healing and tumor biology has led to the development of modified GAG chains, GAG binding peptides and GAG based enzyme inhibitors as therapeutic agents. Xylosides, carrying hydrophobic aglycone, are known to induce GAG biosynthesis in various systems. Given the important roles of GAG chains in vascular and tumor biology, we envision that RGD-conjugated xylosides could be targeted to activated endothelial and cancer cells, which are known to express α(v)β(3) integrin, and thereby modulate the pathological processes. To accomplish this vision, xylose residue was conjugated to linear and cyclic RGD containing peptides using click chemistry. Our results demonstrate that RGD-conjugated xylosides are able to prime GAG chains in various cell types, and future studies are aimed toward evaluating potential utility of such xylosides in treating myocardial infarction as well as cancer-associated thrombotic complications.
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Affiliation(s)
- Vy M Tran
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
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Differential effects of Heparitinase I and Heparitinase III on endothelial tube formation in vitro. Biochem Biophys Res Commun 2010; 398:191-3. [PMID: 20599743 DOI: 10.1016/j.bbrc.2010.06.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2010] [Accepted: 06/14/2010] [Indexed: 11/24/2022]
Abstract
Heparan sulfate proteoglycans (HSPGs) play vital roles in many steps of angiogenesis under physiological and pathological conditions. HSPGs on endothelial cell surfaces act as co-receptors for a variety of pro-angiogenic growth factors such as FGF and VEGF and anti-angiogenic factors such as endostatin. However, the fine structural requirements of these binding interactions are dependent on the sulfation patterns of HSPGs. Previous studies have shown that Heparitinases, heparin lyases isolated from Flavobacterium heparinum, can cleave heparan sulfate chains. These enzymes have been shown to reduce tumor-derived neovascularization in vivo in mice. However, the results from these experiments could not conclusively pinpoint the origin of the HS fragments. Thus, in this study we utilized an in vitro assay to assess the differential effects of Heparitinase I (Hep I) and Heparitinase III (Hep III) on endothelial tube formation. Hep III was found to be a more potent inhibitor of tube formation than Hep I. In conclusion, differential cleavage of endothelial cell surface bound HS can affect the extent of inhibition of tube formation.
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