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Kaczor-Kamińska M, Kamiński K, Wróbel M. Heparan Sulfate, Mucopolysaccharidosis IIIB and Sulfur Metabolism Disorders. Antioxidants (Basel) 2022; 11:antiox11040678. [PMID: 35453363 PMCID: PMC9026333 DOI: 10.3390/antiox11040678] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 02/01/2023] Open
Abstract
Mucopolysaccharidosis, type IIIB (MPS IIIB) is a rare disease caused by mutations in the N-alpha-acetylglucosaminidase (NAGLU) gene resulting in decreased or absent enzyme activity. On the cellular level, the disorder is characterized by the massive lysosomal storage of heparan sulfate (HS)—one species of glycosaminoglycans. HS is a sulfur-rich macromolecule, and its accumulation should affect the turnover of total sulfur in cells; according to the studies presented here, it, indeed, does. The lysosomal degradation of HS in cells produces monosaccharides and inorganic sulfate (SO42−). Sulfate is a product of L-cysteine metabolism, and any disruption of its levels affects the entire L-cysteine catabolism pathway, which was first reported in 2019. It is known that L-cysteine level is elevated in cells with the Naglu−/− gene mutation and in selected tissues of individuals with MPS IIIB. The level of glutathione and the Naglu−/− cells’ antioxidant potential are significantly reduced, as well as the activity of 3-mercaptopyruvate sulfurtransferase (MPST, EC 2.8.1.2) and the level of sulfane sulfur-containing compounds. The direct reason is not yet known. This paper attempts to identify some of cause-and-effect correlations that may lead to this condition and identifies research directions that should be explored.
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Affiliation(s)
- Marta Kaczor-Kamińska
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland;
- Correspondence: ; Tel.: +48-12-422-7400
| | - Kamil Kamiński
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa St., 30-387 Krakow, Poland;
| | - Maria Wróbel
- Chair of Medical Biochemistry, Faculty of Medicine, Jagiellonian University Medical College, 7 Kopernika St., 31-034 Krakow, Poland;
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Xu Z, Chen S, Feng D, Liu Y, Wang Q, Gao T, Liu Z, Zhang Y, Chen J, Qiu L. Biological role of heparan sulfate in osteogenesis: A review. Carbohydr Polym 2021; 272:118490. [PMID: 34420746 DOI: 10.1016/j.carbpol.2021.118490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 07/23/2021] [Accepted: 07/23/2021] [Indexed: 12/14/2022]
Abstract
Heparan sulfate (HS) is extensively expressed in cells, for example, cell membrane and extracellular matrix of most mammalian cells and tissues, playing a key role in the growth and development of life by maintaining homeostasis and implicating in the etiology and diseases. Recent studies have revealed that HS is involved in osteogenesis via coordinating multiple signaling pathways. The potential effect of HS on osteogenesis is a complicated and delicate biological process, which involves the participation of osteocytes, chondrocytes, osteoblasts, osteoclasts and a variety of cytokines. In this review, we summarized the structural and functional characteristics of HS and highlighted the molecular mechanism of HS in bone metabolism to provide novel research perspectives for the further medical research.
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Affiliation(s)
- Zhujie Xu
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China
| | - Shayang Chen
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China
| | - Dehong Feng
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China
| | - Yi Liu
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China.
| | - Qiqi Wang
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China
| | - Tianshu Gao
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China
| | - Zhenwei Liu
- Department of Orthopedics, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214023, PR China
| | - Yan Zhang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Jinghua Chen
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Lipeng Qiu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China.
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Alonge KM, Logsdon AF, Murphree TA, Banks WA, Keene CD, Edgar JS, Whittington D, Schwartz MW, Guttman M. Quantitative analysis of chondroitin sulfate disaccharides from human and rodent fixed brain tissue by electrospray ionization-tandem mass spectrometry. Glycobiology 2020; 29:847-860. [PMID: 31361007 DOI: 10.1093/glycob/cwz060] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/25/2019] [Accepted: 07/25/2019] [Indexed: 02/07/2023] Open
Abstract
Chondroitin sulfates (CS) are long, negatively charged, unbranched glycosaminoglycan (GAG) chains attached to CS-proteoglycan (CSPG) core proteins that comprise the glycan component in both loose interstitial extracellular matrices (ECMs) and in rigid, structured perineuronal net (PNN) scaffolds within the brain. As aberrant CS-PNN formations have been linked to a range of pathological states, including Alzheimer's disease (AD) and schizophrenia, the analysis of CS-GAGs in brain tissue at the disaccharide level has great potential to enhance disease diagnosis and prognosis. Two mass-spectrometry (MS)-based approaches were adapted to detect CS disaccharides from minute fixed tissue samples with low picomolar sensitivity and high reproducibility. The first approach employed a straightforward, quantitative direct infusion (DI)-tandem mass spectrometry (MS/MS) technique to determine the percentages of Δ4S- and Δ6S-CS disaccharides within the 4S/6S-CS ratio, while the second used a comprehensive liquid chromatography (LC)-MS/MS technique to determine the relative percentages of Δ0S-, Δ4S-, Δ6S-, Δ4S6S-CS and Δ2S6S-CS disaccharides, with internal validation by full chondroitin lyase activity. The quantitative accuracy of the five primary biologically relevant CS disaccharides was validated using a developmental time course series in fixed rodent brain tissue. We then analyzed the CS disaccharide composition in formalin-fixed human brain tissue, thus providing the first quantitative report of CS sulfation patterns in the human brain. The ability to comprehensively analyze the CS disaccharide composition from fixed brain tissue provides a means with which to identify alterations in the CS-GAG composition in relation to the onset and/or progression of neurological diseases.
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Affiliation(s)
- Kimberly M Alonge
- University of Washington Medicine Diabetes Institute, Department of Medicine, Seattle, WA, USA
| | - Aric F Logsdon
- Department of Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA.,Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Taylor A Murphree
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - William A Banks
- Department of Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA.,Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
| | - C Dirk Keene
- Division of Neuropathology, Department of Pathology, University of Washington, Seattle, WA, USA
| | - J Scott Edgar
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Dale Whittington
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Michael W Schwartz
- University of Washington Medicine Diabetes Institute, Department of Medicine, Seattle, WA, USA
| | - Miklos Guttman
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
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Veraldi N, Parra A, Urso E, Cosentino C, Locatelli M, Corsini S, Pedrini E, Naggi A, Bisio A, Sangiorgi L. Structural Features of Heparan Sulfate from Multiple Osteochondromas and Chondrosarcomas. Molecules 2018; 23:E3277. [PMID: 30544937 PMCID: PMC6321082 DOI: 10.3390/molecules23123277] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/23/2018] [Accepted: 12/06/2018] [Indexed: 12/29/2022] Open
Abstract
Multiple osteochondromas (MO) is a hereditary disorder associated with benign cartilaginous tumors, known to be characterized by absence or highly reduced amount of heparan sulfate (HS) in the extracellular matrix of growth plate cartilage, which alters proper signaling networks leading to improper bone growth. Although recent studies demonstrated accumulation of HS in the cytoplasm of MO chondrocytes, nothing is known on the structural alterations which prevent HS from undergoing its physiologic pathway. In this work, osteochondroma (OC), peripheral chondrosarcoma, and healthy cartilaginous human samples were processed following a procedure previously set up to structurally characterize and compare HS from pathologic and physiologic conditions, and to examine the phenotypic differences that arise in the presence of either exostosin 1 or 2 (EXT1 or EXT2) mutations. Our data suggest that HS chains from OCs are prevalently below 10 kDa and slightly more sulfated than healthy ones, whereas HS chains from peripheral chondrosarcomas (PCSs) are mostly higher than 10 kDa and remarkably more sulfated than all the other samples. Although deeper investigation is still necessary, the approach here applied pointed out, for the first time, structural differences among OC, PCS, and healthy HS chains extracted from human cartilaginous excisions, and could help in understanding how the structural features of HS are modulated in the presence of pathological situations also involving different tissues.
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Affiliation(s)
- Noemi Veraldi
- Istituto di Ricerche Chimiche e Biochimiche G. Ronzoni, V. G. Colombo 81, 20133 Milan, Italy.
| | - Alessandro Parra
- IRCCS-Istituto Ortopedico Rizzoli, V. di Barbiano 1/10, 40136 Bologna, Italy.
| | - Elena Urso
- Istituto di Ricerche Chimiche e Biochimiche G. Ronzoni, V. G. Colombo 81, 20133 Milan, Italy.
| | - Cesare Cosentino
- Istituto di Ricerche Chimiche e Biochimiche G. Ronzoni, V. G. Colombo 81, 20133 Milan, Italy.
| | - Manuela Locatelli
- Department of Medical Genetics and Rare Orthopaedic Diseases-IRCCS, Istituto Ortopedico Rizzoli, V. di Barbiano 1/10, 40136 Bologna, Italy.
| | - Serena Corsini
- Department of Medical Genetics and Rare Orthopaedic Diseases-IRCCS, Istituto Ortopedico Rizzoli, V. di Barbiano 1/10, 40136 Bologna, Italy.
| | - Elena Pedrini
- Department of Medical Genetics and Rare Orthopaedic Diseases-IRCCS, Istituto Ortopedico Rizzoli, V. di Barbiano 1/10, 40136 Bologna, Italy.
| | - Annamaria Naggi
- Istituto di Ricerche Chimiche e Biochimiche G. Ronzoni, V. G. Colombo 81, 20133 Milan, Italy.
| | - Antonella Bisio
- Istituto di Ricerche Chimiche e Biochimiche G. Ronzoni, V. G. Colombo 81, 20133 Milan, Italy.
| | - Luca Sangiorgi
- Department of Medical Genetics and Rare Orthopaedic Diseases & CLIBI Laboratory-IRCCS, Istituto Ortopedico Rizzoli, V. di Barbiano 1/10, 40136 Bologna, Italy.
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Carnachan SM, Bell TJ, Sims IM, Smith RAA, Nurcombe V, Cool SM, Hinkley SFR. Determining the extent of heparan sulfate depolymerisation following heparin lyase treatment. Carbohydr Polym 2016; 152:592-597. [PMID: 27516308 DOI: 10.1016/j.carbpol.2016.07.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 07/05/2016] [Accepted: 07/07/2016] [Indexed: 10/21/2022]
Abstract
The depolymerisation of porcine mucosal heparan sulfate under the action of heparin lyases and analysis by size-exclusion chromatography (SEC) is described. Heparan sulfate treated to enzymic bond scission producing a Δ4,5 double-bond and quantified by SEC with ultraviolet-visible (UV) spectroscopic detection (230nm) indicated that the majority of the biopolymer (>85%) was reduced to disaccharides (degree of polymerisation (DP)=2). However, analysis of the SEC eluant using refractive index (RI), which reflects the mass contribution of the oligosaccharides rather than the molar response of a UV chromophore, indicated that a considerable proportion of the digested HS, up to 43%, was present with DP >2. This was supported by a mass balance analysis. These results contradict the accepted literature where "complete digestion" is routinely reported. Herein we report on the composition and methodology utilised to ascertain the extent of depolymerization and disaccharide composition of this important biopolymer.
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Affiliation(s)
- Susan M Carnachan
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt, 5040, New Zealand
| | - Tracey J Bell
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt, 5040, New Zealand
| | - Ian M Sims
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt, 5040, New Zealand
| | - Raymond A A Smith
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, #06-06 Immunos, Singapore 138648, Singapore, Singapore
| | - Victor Nurcombe
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, #06-06 Immunos, Singapore 138648, Singapore, Singapore
| | - Simon M Cool
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, #06-06 Immunos, Singapore 138648, Singapore, Singapore
| | - Simon F R Hinkley
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt, 5040, New Zealand.
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Boels MGS, Lee DH, van den Berg BM, Dane MJC, van der Vlag J, Rabelink TJ. The endothelial glycocalyx as a potential modifier of the hemolytic uremic syndrome. Eur J Intern Med 2013; 24:503-9. [PMID: 23357408 DOI: 10.1016/j.ejim.2012.12.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Revised: 12/19/2012] [Accepted: 12/20/2012] [Indexed: 12/22/2022]
Abstract
Atypical hemolytic uremic syndrome (HUS) is a renal disease due to complement dysregulation. Many of the known causes of atypical HUS originate from genetic mutations of complement regulatory proteins, such as complement factor H (CFH) and thrombomodulin. However, atypical HUS has only a genetic penetrance of 40-50% of the cases and usually appears in adulthood. We introduce a novel factor that may be involved in the onset and development of atypical HUS, i.e. the endothelial surface glycocalyx. The glycocalyx is a highly interactive matrix covering the luminal side of vascular endothelial cells and consists of glycosaminoglycans, proteoglycans and glycoproteins, which has an important role in maintaining homeostasis of the vasculature. The surface-bound glycocalyx glycosaminoglycan constituent heparan sulfate is crucial for CFH binding and function, both in recognition of host tissue and prevention of spontaneous complement activation via the alternative pathway. Most of the clinically relevant genetic mutations in CFH result in incorrect binding to heparan sulfate. In addition, a role between proper function of thrombomodulin and the endothelial glycocalyx has also been observed. We suggest that not only changes in binding properties of the complement regulatory proteins play a role but also changes in the endothelial glycocalyx are involved in increased risk of clinical manifestation of atypical HUS. Finally, vascular glycocalyx heterogeneity in turn could dictate the specific vulnerability of the glomerular vascular bed in atypical HUS and may provide new therapeutic targets to intervene with endothelial cell activation and local complement pathway regulation.
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Affiliation(s)
- Margien G S Boels
- Department of Nephrology, Einthoven Laboratory for Vascular Medicine, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, The Netherlands
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Puvirajesinghe TM, Turnbull JE. Glycomics approaches for the bioassay and structural analysis of heparin/heparan sulphates. Metabolites 2012; 2:1060-89. [PMID: 24957775 PMCID: PMC3901230 DOI: 10.3390/metabo2041060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 11/13/2012] [Accepted: 11/15/2012] [Indexed: 01/16/2023] Open
Abstract
The glycosaminoglycan heparan sulphate (HS) has a heterogeneous structure; evidence shows that specific structures may be responsible for specific functions in biological processes such as blood coagulation and regulation of growth factor signalling. This review summarises the different experimental tools and methods developed to provide more rapid methods for studying the structure and functions of HS. Rapid and sensitive methods for the facile purification of HS, from tissue and cell sources are reviewed. Data sets for the structural analysis are often complex and include multiple sample sets, therefore different software and tools have been developed for the analysis of different HS data sets. These can be readily applied to chromatographic data sets for the simplification of data (e.g., charge separation using strong anion exchange chromatography and from size separation using gel filtration techniques. Finally, following the sequencing of the human genome, research has rapidly advanced with the introduction of high throughput technologies to carry out simultaneous analyses of many samples. Microarrays to study macromolecular interactions (including glycan arrays) have paved the way for bioassay technologies which utilize cell arrays to study the effects of multiple macromolecules on cells. Glycan bioassay technologies are described in which immobilisation techniques for saccharides are exploited to develop a platform to probe cell responses such as signalling pathway activation. This review aims at reviewing available techniques and tools for the purification, analysis and bioassay of HS saccharides in biological systems using "glycomics" approaches.
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Affiliation(s)
- Tania M Puvirajesinghe
- Centre de Recherche en Cancérologie de Marseille, Inserm U1068, CNRS UMR7258, Institut Paoli-Calmettes, 10039 Marseille, France.
| | - Jeremy E Turnbull
- Centre for Glycobiology, Department of Biochemistry and Cell Biology, Institute of Integrative Biology, The University of Liverpool, Liverpool, L69 7ZB, UK.
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Cartilage tumour progression is characterized by an increased expression of heparan sulphate 6O-sulphation-modifying enzymes. Virchows Arch 2012; 461:475-81. [PMID: 22903264 DOI: 10.1007/s00428-012-1300-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2012] [Revised: 07/29/2012] [Accepted: 08/03/2012] [Indexed: 12/29/2022]
Abstract
Chondrosarcomas are malignant cartilage-forming tumours that can arise centrally (in the medulla) or peripherally (at the surface) of the bone. They are classified into three histological grades which correspond to the clinical severity. Previous studies by our group have shown altered signal transduction of the fibroblast growth factor and Wnt signalling pathways during peripheral chondrosarcoma progression. Heparan sulphate (HS) is a glycosaminoglycan that facilitates receptor binding of multiple growth factors, in which the sulphation of 6O position plays a pivotal role. 6O-Sulphation occurs through three HS 6O-sulphotransferases (HS6ST1-3) and is fine-tuned by two endosulphatases (SULF1-2) that remove 6O-sulphate groups. We have investigated whether the expression of HS6STs and SULFs changes during chondrosarcoma progression and have determined 6O-sulphation levels in two chondrosarcoma cell lines. Immunohistochemistry on tissue microarrays of chondrosarcomas showed that HS6ST3 and SULF1 were highly expressed in most chondrosarcomas, whereas SULF2 expression was absent in most cases. HS6ST1 and HS6ST2 expression are significantly increased during chondrosarcoma progression, which suggest that 6O-sulphation is increased during progression. This was confirmed in one grade III chondrosarcoma cell line, which showed a dramatically increased 6O-sulphation compared to an articular chondrocyte cell line by HPLC; another cell line showed an increased expression of one 6O-sulphated HS disaccharide. In conclusion, our results show increased HS6ST1 and HS6ST2 expression during chondrosarcoma progression and increased HS 6O-sulphation in vitro. As 6O-sulphation plays an important role in signal transduction, altered HS6ST expression might be associated with changes in signal transduction pathways in chondrosarcoma progression.
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Maeda N, Ishii M, Nishimura K, Kamimura K. Functions of chondroitin sulfate and heparan sulfate in the developing brain. Neurochem Res 2010; 36:1228-40. [PMID: 21110089 DOI: 10.1007/s11064-010-0324-y] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2010] [Indexed: 02/08/2023]
Abstract
Chondroitin sulfate and heparan sulfate proteoglycans are major components of the cell surface and extracellular matrix in the brain. Both chondroitin sulfate and heparan sulfate are unbranched highly sulfated polysaccharides composed of repeating disaccharide units of glucuronic acid and N-acetylgalactosamine, and glucuronic acid and N-acetylglucosamine, respectively. During their biosynthesis in the Golgi apparatus, these glycosaminoglycans are highly modified by sulfation and C5 epimerization of glucuronic acid, leading to diverse heterogeneity in structure. Their structures are strictly regulated in a cell type-specific manner during development partly by the expression control of various glycosaminoglycan-modifying enzymes. It has been considered that specific combinations of glycosaminoglycan-modifying enzymes generate specific functional microdomains in the glycosaminoglycan chains, which bind selectively with various growth factors, morphogens, axon guidance molecules and extracellular matrix proteins. Recent studies have begun to reveal that the molecular interactions mediated by such glycosaminoglycan microdomains play critical roles in the various signaling pathways essential for the development of the brain.
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Affiliation(s)
- N Maeda
- Department of Developmental Neuroscience, Tokyo Metropolitan Institute for Neuroscience, 2-6 Musashidai, Fuchu, Tokyo, 183-8526, Japan.
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Ida M, Shuo T, Hirano K, Tokita Y, Nakanishi K, Matsui F, Aono S, Fujita H, Fujiwara Y, Kaji T, Oohira A. Identification and Functions of Chondroitin Sulfate in the Milieu of Neural Stem Cells. J Biol Chem 2006; 281:5982-91. [PMID: 16373347 DOI: 10.1074/jbc.m507130200] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The behavior of cells is generally considered to be regulated by environmental factors, but the molecules in the milieu of neural stem cells have been little studied. We found by immunohistochemistry that chondroitin sulfate (CS) existed in the surroundings of nestin-positive cells or neural stem/progenitor cells in the rat ventricular zone of the telencephalon at embryonic day 14. Brain-specific chondroitin sulfate proteoglycans (CSPGs), including neurocan, phosphacan/receptor-type protein-tyrosine phosphatase beta, and neuroglycan C, were detected in the ventricular zone. Neurospheres formed by cells from the fetal telencephalon also expressed these CSPGs and NG2 proteoglycan. To examine the structural features and functions of CS polysaccharides in the milieu of neural stem cells, we isolated and purified CS from embryonic day 14 telencephalons. The CS preparation consisted of two fractions differing in size and extent of sulfation: small CS polysaccharides with low sulfation and large CS polysaccharides with high sulfation. Interestingly, both CS polysaccharides and commercial preparations of dermatan sulfate CS-B and an E-type of highly sulfated CS promoted the fibroblast growth factor-2-mediated proliferation of neural stem/progenitor cells. None of these CS preparations promoted the epidermal growth factor-mediated neural stem cell proliferation. These results suggest that these CSPGs are involved in the proliferation of neural stem cells as a group of cell microenvironmental factors.
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Affiliation(s)
- Michiru Ida
- Department of Perinatology, Institute for Developmental Research, Aichi Human Service Center, Kasugai, Aichi 480-0392, Japan
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11
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Abstract
Virtually every cell type in metazoan organisms produces heparan sulfate. These complex polysaccharides provide docking sites for numerous protein ligands and receptors involved in diverse biological processes, including growth control, signal transduction, cell adhesion, hemostasis, and lipid metabolism. The binding sites consist of relatively small tracts of variably sulfated glucosamine and uronic acid residues in specific arrangements. Their formation occurs in a tissue-specific fashion, generated by the action of a large family of enzymes involved in nucleotide sugar metabolism, polymer formation (glycosyltransferases), and chain processing (sulfotransferases and an epimerase). New insights into the specificity and organization of the biosynthetic apparatus have emerged from genetic studies of cultured cells, nematodes, fruit flies, zebrafish, rodents, and humans. This review covers recent developments in the field and provides a resource for investigators interested in the incredible diversity and specificity of this process.
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Affiliation(s)
- Jeffrey D Esko
- Department of Cellular and Molecular Medicine, Glycobiology Research and Training Center, University of California at San Diego, La Jolla, California, 92093-0687, USA.
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12
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Schumm MA, Castellanos DA, Frydel BR, Sagen J. Enhanced viability and neuronal differentiation of neural progenitors by chromaffin cell co-culture. BRAIN RESEARCH. DEVELOPMENTAL BRAIN RESEARCH 2002; 137:115-25. [PMID: 12220703 DOI: 10.1016/s0165-3806(02)00415-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The transplantation of neural stem cells and progenitors has potential in restoring lost cellular populations following central nervous system (CNS) injury or disease, but survival and neuronal differentiation in the adult CNS may be insufficient in the absence of exogenous trophic support. Adrenal medullary chromaffin cells produce a trophic cocktail including basic fibroblast growth factor (FGF-2) and neurotrophins. The aim of this study was to evaluate whether chromaffin cells can provide a supportive microenvironment for neural progenitor cells. In order to assess this, the growth and differentiation of neural progenitor cell cultures from embryonic rat cortex were compared in standard FGF-2-supplemented neural progenitor growth media, in standard media but lacking FGF-2, or in media lacking FGF-2 but co-cultured with bovine chromaffin cells. Using bromodeoxyuridine (BrdU)-prelabeling, findings indicated poor survival of progenitor cultures in the absence of FGF-2. In contrast, the addition of chromaffin cells in co-culture appeared to 'rescue' the progenitor cultures and resulted in robust neurospheres containing numerous BrdU-labeled cells interspersed with and closely apposed to chromaffin cells. As indicated by H3 labeling, cells in co-cultures continued to proliferate, but at a substantially reduced rate compared with standard FGF-2 supplemented growth media. The co-cultures contained more beta-tubulin III-positive processes than parallel cultures maintained in FGF-2-supplemented media and these cells displayed a more mature phenotype with numerous varicosities and complex processes. These findings indicate that chromaffin cells can provide a supportive environment for the survival and neuronal differentiation of neural progenitor cells and suggest that their addition may be useful as a sustained source of trophic support to improve outcomes of neural stem cell transplantation.
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Affiliation(s)
- Michael A Schumm
- The Miami Project to Cure Paralysis, University of Miami School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (R-48), Miami, FL 33136, USA
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Ronca F, Andersen JS, Paech V, Margolis RU. Characterization of Slit protein interactions with glypican-1. J Biol Chem 2001; 276:29141-7. [PMID: 11375980 DOI: 10.1074/jbc.m100240200] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
We have demonstrated previously that the Slit proteins, which are involved in axonal guidance and related developmental processes in nervous tissue, are ligands of the glycosylphosphatidylinositol-anchored heparan sulfate proteoglycan glypican-1 in brain (Liang, Y., Annan, R. S., Carr, S. A., Popp, S., Mevissen, M., Margolis, R. K., and Margolis, R. U. (1999) J. Biol. Chem. 274, 17885--17892). To characterize these interactions in more detail, recombinant human Slit-2 protein and the N- and C-terminal portions generated by in vivo proteolytic processing were used in an enzyme-linked immunosorbent assay to measure the binding of a glypican-Fc fusion protein. Saturable and reversible high affinity binding to the full-length protein and to the C-terminal portion that is released from the cell membrane was seen, with dissociation constants in the 80-110 nm range, whereas only a relatively low level of binding to the larger N-terminal segment was detected. Co-transfection of 293 cells with Slit and glypican-1 cDNAs followed by immunoprecipitation demonstrated that these interactions also occur in vivo, and immunocytochemical studies showed colocalization in the embryonic and adult central nervous system. The binding affinity of the glypican core protein to Slit is an order of magnitude lower than that of the glycanated proteoglycan. Glypican binding to Slit was also decreased 80--90% by heparin (2 microg/ml), enzymatic removal of the heparan sulfate chains, and by chlorate inhibition of glypican sulfation. The differential effects of N- or O-desulfated heparin on glypican binding also indicate that O-sulfate groups on the heparan sulfate chains play a critical role in heparin interactions with Slit. Our data suggest that glypican binding to the releasable C-terminal portion of Slit may serve as a mechanism for regulating the biological activity of Slit and/or the proteoglycan.
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Affiliation(s)
- F Ronca
- Department of Pharmacology, New York University Medical Center, New York, New York 10016, USA
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Hallak LK, Collins PL, Knudson W, Peeples ME. Iduronic acid-containing glycosaminoglycans on target cells are required for efficient respiratory syncytial virus infection. Virology 2000; 271:264-75. [PMID: 10860881 DOI: 10.1006/viro.2000.0293] [Citation(s) in RCA: 174] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Respiratory syncytial virus (RSV) is an important human respiratory pathogen, particularly in infants. Glycosaminoglycans (GAGs) have been implicated in the initiation of RSV infection of cultured cells, but it is not clear what type of GAGs and GAG components are involved, whether the important GAGs are on the virus or the cell, or what the magnitude is of their contribution to infection. We constructed and rescued a recombinant green fluorescent protein (GFP)-expressing RSV (rgRSV) and used this virus to develop a sensitive system to assess and quantify infection by flow cytometry. Evaluation of a panel of mutant Chinese hamster ovary cell lines that are genetically deficient in various aspects of GAG synthesis showed that infection was reduced up to 80% depending on the type of GAG deficiency. Enzymatic removal of heparan sulfate and/or chondroitin sulfate from the surface of HEp-2 cells also reduced infection, and the removal of both reduced infection even further. Blocking experiments in which RSV was preincubated with various soluble GAGs revealed the relative blocking order of: heparin > heparan sulfate > chondroitin sulfate B. Iduronic acid is a component common to these GAGs. GAGs that do not contain iduronic acid, namely, chondroitin sulfate A and C and hyaluronic acid, did not inhibit infection. A role for iduronic acid-containing GAGs in RSV infection was confirmed by the ability of basic fibroblast growth factor to block infection, because basic fibroblast growth factor binds to GAGs containing iduronic acid. Pretreatment of cells with protamine sulfate, which binds and blocks GAGs, also reduced infection. In these examples, infection was reduced by pretreatment of the virus with soluble GAGs, pretreatment of the cells with GAG-binding molecules, pretreatment of the cells with GAG-destroying enzymes or in cells genetically deficient in GAGs. These results establish that the GAGs involved in RSV infection are present on the cell rather than on the virus particle. Thus, the presence of cell surface GAGs containing iduronic acid, like heparan sulfate and chondroitin sulfate B, is required for efficient RSV infection in cell culture.
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Affiliation(s)
- L K Hallak
- Immunology/Microbiology, Biochemistry and Pathology, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL 60612, USA
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15
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Volpi N. Disaccharide analysis and molecular mass determination to microgram level of single sulfated glycosaminoglycan species in mixtures following agarose-gel electrophoresis. Anal Biochem 1999; 273:229-39. [PMID: 10469494 DOI: 10.1006/abio.1999.4218] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The separation of sulfated glycosaminoglycans in mixtures by agarose-gel electrophoresis and the recovery of single polysaccharide bands has been applied to the characterization of polysaccharides extracted from tissues without previous purification of single species. Sulfated glycosaminoglycans, heparin with its two components, slow-moving and fast-moving, heparan sulfate, dermatan sulfate, and chondroitin sulfate, were separated to microgram level by conventional agarose-gel electrophoresis. After their separation, they were fixed in the agarose-gel matrix by precipitation in a cetyltrimethylammonium bromide solution, making them visible on a dark background. After recovery of gel containing the fixed bands, high temperatures (90 degrees C for 15 min) were necessary to dissolve the gel matrix, and a solution of NaCl (3 M) was used to release sulfated polysaccharides from the complex with cetyltrimethylammonium. After precipitation of glycosaminoglycans in the presence of ethanol, the recovery of slow-moving heparin, fast-moving heparin, heparan sulfate, dermatan sulfate, and chondroitin sulfate was from 1 to 10 microg, with a percentage greater than 45% and a purity above 90%. Sulfated glycosaminoglycans in mixtures recovered from gel matrix as single species were evaluated for purity and characterized for unsaturated disaccharides after treatment with bacterial lyases (heparinases for heparin and heparan sulfate samples, and chondroitinases for dermatan sulfate and chondroitin sulfate) and molecular mass. Bovine lung and heart Glycosaminoglycans were extracted and separated into single species by agarose-gel electrophoresis and recovered from gel matrix after treatment in cetyltrimethylammonium solution. Unsaturated disaccharides pattern, the sulfate to carboxyl ratio, and the molecular mass of each single polysaccharide species were determined.
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Affiliation(s)
- N Volpi
- Biological Chemistry Section, University of Modena, Modena, Italy
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Bai X, Wei G, Sinha A, Esko JD. Chinese hamster ovary cell mutants defective in glycosaminoglycan assembly and glucuronosyltransferase I. J Biol Chem 1999; 274:13017-24. [PMID: 10224052 DOI: 10.1074/jbc.274.19.13017] [Citation(s) in RCA: 93] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The proteoglycans of animal cells typically contain one or more heparan sulfate or chondroitin sulfate chains. These glycosaminoglycans assemble on a tetrasaccharide primer, -GlcAbeta1, 3Galbeta1,3Galbeta1,4Xylbeta-O-, attached to specific serine residues in the core protein. Studies of Chinese hamster ovary cell mutants defective in the first or second enzymes of the pathway (xylosyltransferase and galactosyltransferase I) show that the assembly of the primer occurs by sequential transfer of single monosaccharide residues from the corresponding high energy nucleotide sugar donor to the non-reducing end of the growing chain. In order to study the other reactions involved in linkage tetrasaccharide assembly, we have devised a powerful selection method based on induced resistance to a mitotoxin composed of basic fibroblast growth factor-saporin. One class of mutants does not incorporate 35SO4 and [6-3H]GlcN into glycosaminoglycan chains. Incubation of these cells with naphthol-beta-D-xyloside (Xylbeta-O-Np) resulted in accumulation of linkage region intermediates containing 1 or 2 mol of galactose (Galbeta1, 4Xylbeta-O-Np and Galbeta1, 3Galbeta1, 4Xylbeta-O-Np) and sialic acid (Siaalpha2,3Galbeta1, 3Galbeta1, 4Xylbeta-O-Np) but not any GlcA-containing oligosaccharides. Extracts of the mutants completely lacked UDP-glucuronic acid:Galbeta1,3Gal-R glucuronosyltransferase (GlcAT-I) activity, as measured by the transfer of GlcA from UDP-GlcA to Galbeta1,3Galbeta-O-naphthalenemethanol (<0.2 versus 3.6 pmol/min/mg). The mutation most likely lies in the structural gene encoding GlcAT-I since transfection of the mutant with a cDNA for GlcAT-I completely restored enzyme activity and glycosaminoglycan synthesis. These findings suggest that a single GlcAT effects the biosynthesis of common linkage region of both heparan sulfate and chondroitin sulfate in Chinese hamster ovary cells.
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Affiliation(s)
- X Bai
- Division of Cellular and Molecular Medicine, Glycobiology Program, University of California, San Diego, La Jolla, California 92093-0687, USA
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17
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van Kuppevelt TH, Dennissen MA, van Venrooij WJ, Hoet RM, Veerkamp JH. Generation and application of type-specific anti-heparan sulfate antibodies using phage display technology. Further evidence for heparan sulfate heterogeneity in the kidney. J Biol Chem 1998; 273:12960-6. [PMID: 9582329 DOI: 10.1074/jbc.273.21.12960] [Citation(s) in RCA: 214] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Detailed analysis of various heparan sulfate (HS) species is seriously hampered by a lack of appropriate tools, such as antibodies. We adopted phage display technology to generate anti-HS antibodies. A "single pot" semisynthetic human antibody phage display library was subjected to four rounds of selection on HS from bovine kidney using panning methodology. Three different phage clones expressing anti-HS single chain variable fragment antibodies (HS4C3, HS4D10, and HS3G8) were isolated, with an amino acid sequence of the complementarity-determining region 3 of GRRLKD (VH3 gene, DP-38), SLRMNGCGAHQ (VH3 gene, DP-42), and YYHYKVN (VH1 gene, DP-8), respectively. The antibodies react with HS and heparin, but not with DNA or other glycosaminoglycans. Kd values for HS are about 0.1 microM. The three antibodies react differently toward various HS preparations and show different staining patterns on rat kidney sections, indicating recognition of different HS molecules. This also holds for two described mouse anti-HS IgMs (JM403 and 10E4; both generated by conventional hybridoma technique) and indicates the presence of at least 5 different HS species in the kidney. O- and N-sulfation are important for binding of HS to HS4C3 and HS3G8. The three single chain antibodies, but not JM403, block a basic fibroblast growth factor binding site of HS. It is concluded that phage display technology presents a powerful technique to generate antibodies specific for HS epitopes. This is the first time this technique has been successfully applied to obtain directly antibodies to (poly)saccharides.
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Affiliation(s)
- T H van Kuppevelt
- Department of Biochemistry, 160, Faculty of Medical Sciences, University of Nijmegen, P. O. Box 9101, 6500 HB Nijmegen, The Netherlands.
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Liu S, Julian J, Carson DD. A peptide sequence of heparin/heparan sulfate (HP/HS)-interacting protein supports selective, high affinity binding of HP/HS and cell attachment. J Biol Chem 1998; 273:9718-26. [PMID: 9545307 DOI: 10.1074/jbc.273.16.9718] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We previously have identified a novel cell surface heparan sulfate/heparin (HS/HP)-interacting protein (HIP) found in human uterine epithelia and a variety of other human epithelial and endothelial cells and cell lines (Liu, S., Smith, S. E., Julian, J., Rohde, L. H., Karin, N. J., and Carson, D. D. (1996) J. Biol. Chem. 271, 11817-11823; Rohde, L. H., Julian, J., Babaknia, A., and Carson, D. D. (1996) J. Biol. Chem. 271, 11824-11830). The amino acid sequence predicted for HIP revealed a potential HS/HP-binding motif. In the present studies, a synthetic peptide corresponding to this putative HS/HP-binding motif, HIP peptide, was synthesized and examined with regard to its HS/HP binding and cell attachment promoting activity. Results using solid phase binding assays demonstrate that HIP peptide binds HS/HP with high selectivity and has high affinity for bulk HP (50% saturation congruent with 300 nM) and even higher affinity for a subset of polysaccharides found in commercial [3H]HP (half-saturation congruent with 10 nM). Moreover, HIP peptide binds subsets of cell and extracellular matrix-associated HS and dermatan sulfate expressed by RL95 cells, a human uterine adenocarcinoma cell line. HIP peptide also binds a similar fraction of HS as well as dermatan sulfate expressed by JAR cells, a human choriocarcinoma cell line. In contrast to binding of cell- or extracellular matrix-associated HS, HIP peptide does not bind secreted or released forms of HS or DS from either RL95 or JAR cells to a significant extent. HS species that bind to HIP peptide are generally larger, have a higher negative charge density, and have a larger proportion of di- and trisulfated disaccharide units than HS species that do not bind to HIP peptide, demonstrating structural differences among these polysaccharides. This same peptide supports HS-dependent JAR cell attachment. Collectively, these data demonstrate that a linear peptide sequence found within HIP can account, at least in part, for the HS/HP binding and cell adhesion promoting activities of this protein.
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Affiliation(s)
- S Liu
- Department of Biochemistry and Molecular Biology, University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, USA
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Abstract
Angiogenesis is the development of a blood supply to a given area of tissue. This area of tissue may be part of normal embryonic development, revascularization of a wound bed, or the stimulation of vessel growth by inflammatory or malignant cells. Angiogenesis is of crucial importance to the dermatologist, as it is of key importance in pathologic processes such as psoriasis, warts, and cutaneous malignancy, and it is required for optimal wound healing. Other dermatologic processes wherein angiogenesis is defective or uncontrolled are decubitus ulcers, stasis ulcers, pyogenic granulomas, hemangiomas, Kaposi's sarcoma, and possibly Spitz nevus, hypertrophic scars, and keloids. Recent advances in the understanding of growth factors will likely lead to advances in the treatment of skin cancer and psoriasis, and more rapid healing of wounds. In this review, I hope to summarize the most important growth factors, inhibitors of angiogenesis, and future directions in research and therapeutics involving angiogenesis.
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Affiliation(s)
- J L Arbiser
- Department of Dermatology, Massachusetts General Hospital, Boston, USA
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Abstract
The proliferation and development of hematopoietic cells occurs in close association with bone marrow stroma. Heparan sulfate is a major component of the stroma. We have isolated a form of heparan sulfate proteoglycan from a human stromal cell line grown in vitro in the presence of [35S]sulfate. This proteoglycan contains a phosphatidylinositol component which likely anchors it to the stromal cell membrane. The glycosaminoglycan chains of this proteoglycan could induce maturation of the HL-60 myeloid leukemia cell line. A less hydrophobic heparan sulfate proteoglycan was also present in the stroma, but could not induce HL-60 maturation. The two heparan sulfates had glycosaminoglycan chains that were similar in size (36 Kd) and charge density. Structural studies suggested only minor but perhaps significant differences in the carbohydrate sequences of the two heparan sulfates. The relationship of these subtle structural differences to the difference observed in differentiation-inducing activity remains to be elucidated.
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Affiliation(s)
- S D Luikart
- Department of Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, USA
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