1
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Chittum JE, Thompson A, Desai UR. Glycosaminoglycan microarrays for studying glycosaminoglycan-protein systems. Carbohydr Polym 2024; 335:122106. [PMID: 38616080 PMCID: PMC11032185 DOI: 10.1016/j.carbpol.2024.122106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/16/2024]
Abstract
More than 3000 proteins are now known to bind to glycosaminoglycans (GAGs). Yet, GAG-protein systems are rather poorly understood in terms of selectivity of recognition, molecular mechanism of action, and translational promise. High-throughput screening (HTS) technologies are critically needed for studying GAG biology and developing GAG-based therapeutics. Microarrays, developed within the past two decades, have now improved to the point of being the preferred tool in the HTS of biomolecules. GAG microarrays, in which GAG sequences are immobilized on slides, while similar to other microarrays, have their own sets of challenges and considerations. GAG microarrays are rapidly becoming the first choice in studying GAG-protein systems. Here, we review different modalities and applications of GAG microarrays presented to date. We discuss advantages and disadvantages of this technology, explain covalent and non-covalent immobilization strategies using different chemically reactive groups, and present various assay formats for qualitative and quantitative interpretations, including selectivity screening, binding affinity studies, competitive binding studies etc. We also highlight recent advances in implementing this technology, cataloging of data, and project its future promise. Overall, the technology of GAG microarray exhibits enormous potential of evolving into more than a mere screening tool for studying GAG - protein systems.
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Affiliation(s)
- John E Chittum
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, United States of America; Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA 23219, United States of America
| | - Ally Thompson
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, United States of America; Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA 23219, United States of America
| | - Umesh R Desai
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, United States of America; Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA 23219, United States of America.
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2
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Tetrick MG, Murphy CJ. Leveraging Tunable Nanoparticle Surface Functionalization to Alter Cellular Migration. ACS NANOSCIENCE AU 2024; 4:205-215. [PMID: 38912285 PMCID: PMC11192187 DOI: 10.1021/acsnanoscienceau.3c00055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 06/25/2024]
Abstract
Gold nanoparticles (AuNPs) are a promising platform for biomedical applications including therapeutics, imaging, and drug delivery. While much of the literature surrounding the introduction of AuNPs into cellular systems focuses on uptake and cytotoxicity, less is understood about how AuNPs can indirectly affect cells via interactions with the extracellular environment. Previous work has shown that the monocytic cell line THP-1's ability to undergo chemotaxis in response to a gradient of monocyte chemoattractant protein 1 (MCP-1) was compromised by extracellular polysulfonated AuNPs, presumably by binding to MCP-1 with some preference over other proteins in the media. The hypothesis to be explored in this work is that the degree of sulfonation of the surface would therefore be correlated with the ability of AuNPs to interrupt chemotaxis. Highly sulfonated poly(styrenesulfonate)-coated AuNPs caused strong inhibition of THP-1 chemotaxis; by reducing the degree of sulfonation on the AuNP surface with copolymers [poly(styrenesulfonate-co-maleate) of different compositions], it was found that medium and low sulfonation levels caused weak to no inhibition, respectively. Small, rigid molecular sulfonate surfaces were relatively ineffective at chemotaxis inhibition. Unusually, free poly(styrenesulfonate) caused a dose-dependent reversal of THP-1 cell migration: at low concentrations, free poly(styrenesulfonate) significantly inhibited MCP-1-induced chemotaxis. However, at high concentrations, free poly(styrenesulfonate) acted as a chemorepellent, causing a reversal in the cell migration direction.
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Affiliation(s)
- Maxwell G. Tetrick
- Department of Chemistry, University of
Illinois Urbana-Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801,
United States
| | - Catherine J. Murphy
- Department of Chemistry, University of
Illinois Urbana-Champaign, 600 S. Mathews Avenue, Urbana, Illinois 61801,
United States
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3
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Anand S, Mardhekar S, Bhoge PR, Mishra SK, Kikkeri R. Molecular recognition and proteoglycan mimic arrangement: modulating cisplatin toxicity. Chem Commun (Camb) 2024; 60:4495-4498. [PMID: 38567462 DOI: 10.1039/d4cc00464g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
We have demonstrated that cisplatin (CP), an anticancer drug, showed a preference for binding the sulfated-L-iduronic acid (S-L-IdoA) unit over the sulfated-D-glucuronic acid unit of heparan sulfate. The multivalency of S-L-IdoA, such as in the proteoglycan mimic, resulted in distinct modes of cell-surface engineering in normal and cancer cells, with these disparities having a significant impact on CP-mediated toxicity.
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Affiliation(s)
- Saurabh Anand
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Sandhya Mardhekar
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Preeti Ravindra Bhoge
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Sandeep Kumar Mishra
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
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4
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Joshi A, Chopra P, Venot A, Boons GJ. Chemical Synthesis of Δ-4,5 Unsaturated Heparan Sulfate Oligosaccharides for Biomarker Discovery. Org Lett 2024; 26:2462-2466. [PMID: 38498917 PMCID: PMC10985652 DOI: 10.1021/acs.orglett.4c00596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/12/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
A methodology is described that can provide heparan sulfate oligosaccharides having a Δ4,5-double bond, which are needed as analytical standards and biomarkers for mucopolysaccharidoses. It is based on chemical oligosaccharide synthesis followed by modification of the C-4 hydroxyl of the terminal uronic acid moiety as methanesulfonate. This leaving group is stable under conditions used to remove temporary protecting groups, O-sulfation, and hydrogenolysis. Treatment with NaOH results in elimination of the methanesulfonate and formation of a Δ4,5-double bond.
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Affiliation(s)
- Apoorva Joshi
- Complex
Carbohydrate Research Center, University
of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
| | - Pradeep Chopra
- Complex
Carbohydrate Research Center, University
of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
| | - Andre Venot
- Complex
Carbohydrate Research Center, University
of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
| | - Geert-Jan Boons
- Complex
Carbohydrate Research Center, University
of Georgia, 315 Riverbend Road, Athens, Georgia 30602, United States
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
- Department
of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical
Sciences, and Bijvoet Center for Biomolecular Research, Utrecht University, Universiteitsweg
99, 3584 CG Utrecht, The Netherlands
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5
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Bhoge PR, Raigawali R, Mardhekar S, Anand S, Kikkeri R. Synergestic interplay of uronic acid and sulfation composition of heparan sulfate on molecular recognition to activity. Carbohydr Res 2023; 532:108919. [PMID: 37557021 DOI: 10.1016/j.carres.2023.108919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 08/02/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023]
Abstract
Heparan sulfate (HS) is ubiquitous polysaccharide on the surface of all mammalian cells and extracellular matrices. The incredible structural complexity of HS arises from its sulfation patterns and disaccharide compositions, which orchestrate a wide range of biological activities. Researchers have developed elegant synthetic methods to obtain well-defined HS oligosaccharides to understand the structure-activity relationship. These studies revealed that specific sulfation codes and uronic acid variants could synergistically modulate HS-protein interactions (HSPI). Additionally, the conformational flexibility of l-Iduronic acid, a uronic acid unit has emerged as a critical factor in fine-tuning the microenvironment to modulate HSPI. This review delineates how uronic acid composition in HS modulates protein binding affinity, selectivity, and biological activity. Finally, the significance of sulfated homo-oligo uronic acid as heparin mimics in drug development is also discussed.
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Affiliation(s)
- Preeti Ravindra Bhoge
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune, 4110008, India
| | - Rakesh Raigawali
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune, 4110008, India
| | - Sandhya Mardhekar
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune, 4110008, India
| | - Saurabh Anand
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune, 4110008, India
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune, 4110008, India.
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Wang L, Sorum AW, Huang BS, Kern MK, Su G, Pawar N, Huang X, Liu J, Pohl NLB, Hsieh-Wilson LC. Efficient platform for synthesizing comprehensive heparan sulfate oligosaccharide libraries for decoding glycosaminoglycan-protein interactions. Nat Chem 2023; 15:1108-1117. [PMID: 37349377 PMCID: PMC10979459 DOI: 10.1038/s41557-023-01248-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 05/22/2023] [Indexed: 06/24/2023]
Abstract
Glycosaminoglycans (GAGs) are abundant, ubiquitous carbohydrates in biology, yet their structural complexity has limited an understanding of their biological roles and structure-function relationships. Synthetic access to large collections of well defined, structurally diverse GAG oligosaccharides would provide critical insights into this important class of biomolecules and represent a major advance in glycoscience. Here we report a new platform for synthesizing large heparan sulfate (HS) oligosaccharide libraries displaying comprehensive arrays of sulfation patterns. Library synthesis is made possible by improving the overall synthetic efficiency through universal building blocks derived from natural heparin and a traceless fluorous tagging method for rapid purification with minimal manual manipulation. Using this approach, we generated a complete library of 64 HS oligosaccharides displaying all possible 2-O-, 6-O- and N-sulfation sequences in the tetrasaccharide GlcN-IdoA-GlcN-IdoA. These diverse structures provide an unprecedented view into the sulfation code of GAGs and identify sequences for modulating the activities of important growth factors and chemokines.
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Affiliation(s)
- Lei Wang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Alexander W Sorum
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Bo-Shun Huang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Mallory K Kern
- Department of Chemistry, Indiana University, Bloomington, IN, USA
| | - Guowei Su
- Glycan Therapeutics Corp, Raleigh, NC, USA
| | - Nitin Pawar
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Xuefei Huang
- Departments of Chemistry and Biomedical Engineering, Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI, USA
| | - Jian Liu
- Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Nicola L B Pohl
- Department of Chemistry, Indiana University, Bloomington, IN, USA
| | - Linda C Hsieh-Wilson
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA.
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7
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Maciej-Hulme ML, Van Gemst JJ, Sanderson P, Rops ALWMM, Berden JH, Smeets B, Amster IJ, Rabelink TJ, Van Der Vlag J. Glomerular endothelial glycocalyx-derived heparan sulfate inhibits glomerular leukocyte influx and attenuates experimental glomerulonephritis. Front Mol Biosci 2023; 10:1177560. [PMID: 37325479 PMCID: PMC10267401 DOI: 10.3389/fmolb.2023.1177560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/15/2023] [Indexed: 06/17/2023] Open
Abstract
Proliferative forms of glomerulonephritis are characterized by the influx of leukocytes, albuminuria, and loss of kidney function. The glomerular endothelial glycocalyx is a thick carbohydrate layer that covers the endothelium and is comprised of heparan sulfate (HS), which plays a pivotal role in glomerular inflammation by facilitating endothelial-leukocyte trafficking. We hypothesize that the exogenous glomerular glycocalyx may reduce the glomerular influx of inflammatory cells during glomerulonephritis. Indeed, administration of mouse glomerular endothelial cell (mGEnC)-derived glycocalyx constituents, or the low-molecular-weight heparin enoxaparin, reduced proteinuria in mice with experimental glomerulonephritis. Glomerular influx of granulocytes and macrophages, as well as glomerular fibrin deposition, was reduced by the administration of mGEnC-derived glycocalyx constituents, thereby explaining the improved clinical outcome. HSglx also inhibited granulocyte adhesion to human glomerular endothelial cells in vitro. Notably, a specific HSglx fraction inhibited both CD11b and L-selectin binding to activated mGEnCs. Mass spectrometry analysis of this specific fraction revealed six HS oligosaccharides, ranging from tetra- to hexasaccharides with 2-7 sulfates. In summary, we demonstrate that exogenous HSglx reduces albuminuria during glomerulonephritis, which is possibly mediated via multiple mechanisms. Our results justify the further development of structurally defined HS-based therapeutics for patients with (acute) inflammatory glomerular diseases, which may be applicable to non-renal inflammatory diseases as well.
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Affiliation(s)
- Marissa L Maciej-Hulme
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Jasper J Van Gemst
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Patience Sanderson
- Department of Chemistry, University of Georgia, Athens, GA, United States
| | - Angelique L W M M Rops
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Jo H Berden
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Bart Smeets
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - I Jonathan Amster
- Department of Chemistry, University of Georgia, Athens, GA, United States
| | - Ton J Rabelink
- Department of Nephrology, Einthoven Laboratory for Vascular Medicine, Leiden University Medical Center, Leiden, Netherlands
| | - Johan Van Der Vlag
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
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8
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Mardhekar S, Subramani B, Samudra P, Srikanth P, Mahida V, Bhoge PR, Toraskar S, Abraham NM, Kikkeri R. Sulfation of Heparan and Chondroitin Sulfate Ligands Enables Cell-Specific Homing of Nanoprobes. Chemistry 2023; 29:e202202622. [PMID: 36325647 PMCID: PMC7616003 DOI: 10.1002/chem.202202622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/02/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
Demystifying the sulfation code of glycosaminoglycans (GAGs) to induce precise homing of nanoparticles in tumor cells or neurons influences the development of a potential drug- or gene-delivery system. However, GAGs, particularly heparan sulfate (HS) and chondroitin sulfate (CS), are structurally highly heterogeneous, and synthesizing well-defined HS/CS composed nanoparticles is challenging. Here, we decipher how specific sulfation patterns on HS and CS regulate receptor-mediated homing of nanoprobes in primary and secondary cells. We discovered that aggressive cancer cells such as MDA-MB-231 displayed a strong uptake of GAG-nanoprobes compared to mild or moderately aggressive cancer cells. However, there was no selectivity towards the GAG sequences, thus indicating the presence of more than one form of receptor-mediated uptake. However, U87 cells, olfactory bulb, and hippocampal primary neurons showed selective or preferential uptake of CS-E-coated nanoprobes compared to other GAG-nanoprobes. Furthermore, mechanistic studies revealed that the 4,6-O-disulfated-CS nanoprobe used the CD44 and caveolin-dependent endocytosis pathway for uptake. These results could lead to new opportunities to use GAG nanoprobes in nanomedicine.
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Grants
- SERB/F/9228/2019-2020 Department of Science and Technology , Ministry of Science and Technology New Delhi, India
- BT/PR34475/MED/15/210/2020 Department of Biotechnology, Ministry of Science and Technology, India
- SR/WOS-A/CS-72/2019 Department of Science and Technology , Ministry of Science and Technology New Delhi, India
- DST/CSRI/2017/271 Department of Science and Technology , Ministry of Science and Technology New Delhi, India
- IA/I/14/1/501306 DBT-Wellcome Trust India Alliance
- Wellcome Trust
- IA/I/14/1/501306 The Wellcome Trust DBT India Alliance
- BT/PR21934/NNT/28/1242/2017 Department of Biotechnology, Ministry of Science and Technology, India
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Affiliation(s)
- Sandhya Mardhekar
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Balamurugan Subramani
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Prasanna Samudra
- Laboratory of Neural Circuits and Behaviour (LNCB), Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008, (India)
| | - Priyadharshini Srikanth
- Laboratory of Neural Circuits and Behaviour (LNCB), Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008, (India)
| | - Virendrasinh Mahida
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Preeti Ravindra Bhoge
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Suraj Toraskar
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Nixon M. Abraham
- Laboratory of Neural Circuits and Behaviour (LNCB), Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008, (India)
| | - Raghavendra Kikkeri
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
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9
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Chandra A, Bhoge PR, K R R, Shanthamurthy CD, Kikkeri R. Fluorescent glyco-gold nanocluster induced EGFR mediated targeting of cancer cells. Chem Commun (Camb) 2023; 59:1213-1216. [PMID: 36629520 DOI: 10.1039/d2cc06227e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A lot of attention has been focused on the functionalization of carbohydrate ligands on specific sizes and shapes of gold nanoparticles (AuNPs), where ultrasmall fluorescent AuNPs have not been well explored for direct imaging. Herein, we have engineered fluorescent gold nanoclusters with sulfated oligo-iduronic acid ligands (I34), which strongly bind to the HB-EGF receptor over FGF2, and regulate EGF receptor-mediated cancer cell homing in both two- and three-dimensional (2D and 3D) cell culture systems. These results offer a new practical and direct imaging tool for carbohydrate research.
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Affiliation(s)
- Ankita Chandra
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Preeti Ravindra Bhoge
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Remya K R
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Chethan D Shanthamurthy
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 4110008, India.
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10
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Quaranta DV, Weaver RR, Baumann KK, Fujimoto T, Williams LM, Kim HC, Logsdon AF, Omer M, Reed MJ, Banks WA, Erickson MA. Transport of the Proinflammatory Chemokines C-C Motif Chemokine Ligand 2 (MCP-1) and C-C Motif Chemokine Ligand 5 (RANTES) across the Intact Mouse Blood-Brain Barrier Is Inhibited by Heparin and Eprodisate and Increased with Systemic Inflammation. J Pharmacol Exp Ther 2023; 384:205-223. [PMID: 36310035 PMCID: PMC9827507 DOI: 10.1124/jpet.122.001380] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/26/2022] [Accepted: 10/17/2022] [Indexed: 01/12/2023] Open
Abstract
One important function of the vascular blood-brain barrier (BBB) is to facilitate neuroimmune communication. The BBB fulfills this function, in part, through its ability to transport cytokines and chemokines. C-C motif chemokine receptor 2 (CCL2) (MCP-1) and C-C motif chemokine receptor 5 (CCL5) (RANTES) are proinflammatory chemokines that mediate neuroimmune responses to acute insults and aspects of brain injury and neurodegenerative diseases; however, a blood-to-brain transport system has not been evaluated for either chemokine in vivo. Therefore, we determined whether CCL2 and CCL5 in blood can cross the intact BBB and enter the brain. Using CD-1 mice, we found that 125I-labeled CCL2 and CCL5 crossed the BBB and entered the brain parenchyma. We next aimed to identify the mechanisms of 125I-CCL2 and 125I-CCL5 transport in an in situ brain perfusion model. We found that both heparin and eprodisate inhibited brain uptake of 125I-CCL2 and 125I-CCL5 in situ, whereas antagonists of their receptors, CCR2 or CCR5, respectively, did not, suggesting that heparan sulfates at the endothelial surface mediate BBB transport. Finally, we showed that CCL2 and CCL5 transport across the BBB increased following a single injection of 0.3 mg/kg lipopolysaccharide. These data demonstrate that CCL2 and CCL5 in the brain can derive, in part, from the circulation, especially during systemic inflammation. Further, binding to the BBB-associated heparan sulfate is a mechanism by which both chemokines can cross the intact BBB, highlighting a novel therapeutic target for treating neuroinflammation. SIGNIFICANCE STATEMENT: Our work demonstrates that C-C motif chemokine ligand 2 (CCL2) and C-C motif chemokine ligand 5 (CCL5) can cross the intact blood-brain barrier and that transport is robustly increased during inflammation. These data suggest that circulating CCL2 and CCL5 can contribute to brain levels of each chemokine. We further show that the transport of both chemokines is inhibited by heparin and eprodisate, suggesting that CCL2/CCL5-heparan sulfate interactions could be therapeutically targeted to limit accumulation of these chemokines in the brain.
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Affiliation(s)
- Daniel V Quaranta
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Riley R Weaver
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Kristen K Baumann
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Takashi Fujimoto
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Lindsey M Williams
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Hyung Chan Kim
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Aric F Logsdon
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Mohamed Omer
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - May J Reed
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - William A Banks
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
| | - Michelle A Erickson
- Geriatric Research Education and Clinical Center, VA Puget Sound Healthcare System, Seattle, Washington (D.V.Q., R.R.W., K.K.B., T.F., L.M.W., H.C.K., A.F.L., M.O., M.J.R., W.A.B., M.A.E.); Department of Neurosurgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan (T.F.); and Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (H.C.K., A.F.L., M.J.R., W.A.B., M.A.E.)
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11
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Shitrit A, Mardhekar S, Alshanski I, Jain P, Raigawali R, Shanthamurthy CD, Kikkeri R, Yitzchaik S, Hurevich M. Profiling Heparan Sulfate-Heavy Metal Ions Interaction Using Electrochemical Techniques. Chemistry 2022; 28:e202202193. [PMID: 35904207 DOI: 10.1002/chem.202202193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Indexed: 01/07/2023]
Abstract
Heparan sulfate glycosaminoglycans provides extracellular matrix defense against heavy metals cytotoxicity. Identifying the precise glycan sequences that bind a particular heavy metal ion is a key for understanding those interactions. Here, electrochemical and surface characterization techniques were used to elucidate the relation between the glycans structural motifs, uronic acid stereochemistry, and sulfation regiochemistry to heavy metal ions binding. A divergent strategy was employed to access a small library of structurally well-defined tetrasaccharides analogs with different sulfation patterns and uronic acid compositions. These tetrasaccharides were electrochemically grafted onto glassy carbon electrodes and their response to heavy metal ions was monitored by electrochemical impedance spectroscopy. Key differences in the binding of Hg(II), Cd(II), and Pb(II) were associated with a combination of the uronic acid type and the sulfation pattern.
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Affiliation(s)
- Ariel Shitrit
- Institute of Chemistry and Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Safra Campus, Givat Ram, Jerusalem, 9190401, Israel
| | - Sandhya Mardhekar
- Indian Institute of Science Education and Research, Pune, 411008, India
| | - Israel Alshanski
- Institute of Chemistry and Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Safra Campus, Givat Ram, Jerusalem, 9190401, Israel
| | - Prashant Jain
- Indian Institute of Science Education and Research, Pune, 411008, India
| | - Rakesh Raigawali
- Indian Institute of Science Education and Research, Pune, 411008, India
| | | | | | - Shlomo Yitzchaik
- Institute of Chemistry and Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Safra Campus, Givat Ram, Jerusalem, 9190401, Israel
| | - Mattan Hurevich
- Institute of Chemistry and Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Safra Campus, Givat Ram, Jerusalem, 9190401, Israel
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12
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Critcher M, Huang ML. Excavating proteoglycan structure-function relationships: Modern approaches to capture the interactions of ancient biomolecules. Am J Physiol Cell Physiol 2022; 323:C415-C422. [PMID: 35759439 PMCID: PMC9359657 DOI: 10.1152/ajpcell.00222.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Proteoglycans are now well regarded as key facilitators of cell biology. While a majority of their interactions and functions are attributed to the decorating glycosaminoglycan chains, there is a growing appreciation for the roles of the proteoglycan core protein and for considering proteoglycans as replete protein-glycan conjugates. This appreciation, seeded by early work in proteoglycan biology, is now being advanced and exalted by modern approaches in chemical glycobiology. In this review, we discuss up-and-coming methods to unearth the fine-scale architecture of proteoglycans that modulate their functions and interactions. Crucial to these efforts is the production of chemically defined materials, including semi-synthetic proteoglycans and the in situ capture of interacting proteins. Together, the integration of chemical biology approaches promises to expedite the dissection of the structural heterogeneity of proteoglycans and deliver refined insight into their functions.
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Affiliation(s)
- Meg Critcher
- Skaggs Graduate School of Chemical and Biological Sciences, Scripps Research, La Jolla, CA.,Department of Molecular Medicine, Scripps Research, La Jolla, CA
| | - Mia L Huang
- Skaggs Graduate School of Chemical and Biological Sciences, Scripps Research, La Jolla, CA.,Department of Molecular Medicine, Scripps Research, La Jolla, CA.,Department of Chemistry, Scripps Research, La Jolla, CA
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13
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Shanthamurthy CD, Gimeno A, Leviatan Ben-Arye S, Kumar NV, Jain P, Padler-Karavani V, Jiménez-Barbero J, Kikkeri R. Sulfation Code and Conformational Plasticity of l-Iduronic Acid Homo-Oligosaccharides Mimic the Biological Functions of Heparan Sulfate. ACS Chem Biol 2021; 16:2481-2489. [PMID: 34586794 DOI: 10.1021/acschembio.1c00582] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Recently, the activity of heparan sulfate (HS) has led to the discovery of many drug candidates that have the potential to impact both medical science and human health. However, structural diversity and synthetic challenges impede the progress of HS research. Here, we report a library of novel l-iduronic acid (IdoA)-based HS mimics that are highly tunable in conformation plasticity and sulfation patterns to produce many of the functions of native HS oligosaccharides. The NMR analysis of HS mimics confirmed that 4-O-sulfation enhances the population of the 1C4 geometry. Interestingly, the 1C4 conformer becomes exclusive upon additional 2-O-sulfation. HS mimic microarray binding studies with different growth factors showed that selectivity and avidity are greatly modulated by the oligosaccharide length, sulfation code, and IdoA conformation. Particularly, we have identified 4-O-sulfated IdoA disaccharide (I-21) as a potential ligand for vascular endothelial growth factor (VEGF165), which in a multivalent display modulated endothelial cell proliferation, migration, and angiogenesis. Overall, these results encourage the consideration of HS mimics for therapeutic applications.
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Affiliation(s)
| | - Ana Gimeno
- CIC bioGUNE, Basque Research Technology Alliance, BRTA, Bizkaia Technology park, 48160 Derio, Spain
| | - Shani Leviatan Ben-Arye
- Department of Cell Research and Immunology, The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Nanjundaswamy Vijendra Kumar
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
- Department of Chemistry, JSS College of Arts, Commerce & Science, Mysuru 570025, India
| | - Prashant Jain
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
| | - Vered Padler-Karavani
- Department of Cell Research and Immunology, The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Jesús Jiménez-Barbero
- CIC bioGUNE, Basque Research Technology Alliance, BRTA, Bizkaia Technology park, 48160 Derio, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
- Department Organic Chemistry II, Faculty of Science and Technology, UPV-EHU, 48940 Leioa, Spain
| | - Ragahvendra Kikkeri
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
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14
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Jain P, Shanthamurthy CD, Leviatan Ben-Arye S, Yehuda S, Nandikol SS, Thulasiram HV, Padler-Karavani V, Kikkeri R. Synthetic heparan sulfate ligands for vascular endothelial growth factor to modulate angiogenesis. Chem Commun (Camb) 2021; 57:3516-3519. [PMID: 33704312 DOI: 10.1039/d1cc00964h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We report the discovery of a potential heparan sulfate (HS) ligand to target several growth factors using 13 unique HS tetrasaccharide ligands. By employing an HS microarray and SPR, we deciphered the crucial structure-binding relationship of these glycans with the growth factors BMP2, VEGF165, HB-EGF, and FGF2. Notably, GlcNHAc(6-O-SO3-)-IdoA(2-O-SO3-) (HT-2,6S-NAc) tetrasaccharide showed strong binding with the VEGF165 growth factor. In vitro vascular endothelial cell proliferation, migration and angiogenesis was inhibited in the presence of VEGF165 and HT-2,6S-NAc or HT-6S-NAc, revealing the potential therapeutic role of these synthetic HS ligands.
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Affiliation(s)
- Prashant Jain
- Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pune-411008, India.
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