1
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Pang HL, Zhang LT, Zhang YT, Ren Q. Separation and purification of bovine nasal cartilage-derived chondroitin sulfate and evaluation of its binding to bovine serum albumin. Int J Biol Macromol 2024; 277:134501. [PMID: 39111483 DOI: 10.1016/j.ijbiomac.2024.134501] [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: 05/31/2024] [Revised: 07/30/2024] [Accepted: 08/03/2024] [Indexed: 08/10/2024]
Abstract
This study employs an optimized and environmentally friendly method to extract and purify chondroitin sulfate (CS) from bovine nasal cartilage using enzymatic hydrolysis, ethanol precipitation, and DEAE Sepharose Fast Flow column chromatography. The extracted CS, representing 44.67 % ± 0.0016 of the cartilage, has a molecular weight of 7.62 kDa. Characterization through UV, FT-IR, NMR spectroscopy, and 2-aminoacridone derivatization HPLC revealed a high content of sulfated disaccharides, particularly ΔDi4S (73.59 %) and ΔDi6S (20.61 %). Interaction studies with bovine serum albumin (BSA) using fluorescence spectroscopy and molecular docking confirmed a high-affinity, static quenching interaction with a single binding site, primarily mediated by van der Waals forces and hydrogen bonding. The interaction did not significantly alter the polarity or hydrophobicity of BSA aromatic amino acids. These findings provide a strong foundation for exploring the application of CS in tissue engineering and drug delivery systems, leveraging its unique interaction with BSA for targeted delivery and enhanced efficacy.
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Affiliation(s)
- Hai-Long Pang
- Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China
| | - Li-Tao Zhang
- Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China
| | - Yun-Tao Zhang
- Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China.
| | - Qiang Ren
- Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China.
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2
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Pang HL, Lu H, Liu P, Zhang YT, Zhang LT, Ren Q. A chondroitin sulfate purified from shark cartilage and bovine serum albumin interaction activity. Int J Biol Macromol 2024; 260:129499. [PMID: 38262829 DOI: 10.1016/j.ijbiomac.2024.129499] [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: 10/30/2023] [Revised: 12/31/2023] [Accepted: 01/12/2024] [Indexed: 01/25/2024]
Abstract
Chondroitin sulfate (CS) was extracted and purified from shark cartilage, and its interaction with bovine serum albumin (BSA) were studied. The content of chondroitin sulfate in shark cartilage was 29.97 % using the 1,9-dimethyl-methylene blue method. The molecular weight of CS was determined to be 62.464 kDa by high-performance gel permeation chromatography. UV and FT-IR spectroscopy identified the characteristics of CS and its functional group information. NMR spectroscopy and disaccharide derivatization revealed that CS was predominantly composed of disulfated disaccharides, specifically ΔDi4,6S. Fluorescence quenching experiments indicated that the interaction between CS and BSA exhibited static quenching, with a binding site number of 1. The binding process was primarily mediated by van der Waals forces and hydrogen bonds. Furthermore, synchronous and 3D fluorescence spectroscopy demonstrated that CS had minimal impact on the polarity and hydrophobicity of the microenvironment surrounding Tyr and Trp residues. UV-vis absorption and circular dichroism (CD) spectroscopy demonstrated the altered structure of BSA. The molecular docking analysis revealed that CS formed hydrogen bonds and salt bridges with BSA, predominantly binding to the IIA substructure domain of BSA. Investigating the interaction between CS and BSA holds the potential for enhancing its applications in drug delivery and tissue engineering endeavors.
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Affiliation(s)
- Hai-Long Pang
- Department of Pharmacy, Weifang Medical University, Weifang, Shandong, China; Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China
| | - Han Lu
- Department of Pharmacy, Weifang Medical University, Weifang, Shandong, China; Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China
| | - Peng Liu
- Rizhao Science and Technology Innovation Service Center, Rizhao, Shandong, China
| | - Yun-Tao Zhang
- Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China.
| | - Li-Tao Zhang
- Department of Biological Science, Jining Medical University, Rizhao, Shandong, China.
| | - Qiang Ren
- Department of Pharmacy, Jining Medical University, Rizhao, Shandong, China.
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3
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Sarbu M, Ica R, Sharon E, Clemmer DE, Zamfir AD. Glycomics by ion mobility tandem mass spectrometry of chondroitin sulfate disaccharide domain in biglycan. JOURNAL OF MASS SPECTROMETRY : JMS 2023; 58:e4908. [PMID: 36799777 DOI: 10.1002/jms.4908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Biglycan (BGN), a small leucine-rich repeat proteoglycan, is involved in a variety of pathological processes including malignant transformation, for which the upregulation of BGN was found related to cancer cell invasiveness. Because the functions of BGN are mediated by its chondroitin/dermatan sulfate (CS/DS) chains through the sulfates, the determination of CS/DS structure and sulfation pattern is of major importance. In this study, we have implemented an advanced glycomics method based on ion mobility separation (IMS) mass spectrometry (MS) and tandem MS (MS/MS) to characterize the CS disaccharide domains in BGN. The high separation efficiency and sensitivity of this technique allowed the discrimination of five distinct CS disaccharide motifs, of which four irregulated in their sulfation pattern. For the first time, trisulfated unsaturated and bisulfated saturated disaccharides were found in BGN, the latter species documenting the non-reducing end of the chains. The structural investigation by IMS MS/MS disclosed that in one or both of the CS/DS chains, the non-reducing end is 3-O-sulfated GlcA in a rather rare bisulfated motif having the structure 3-O-sulfated GlcA-4-O-sulfated GalNAc. Considering the role played by BGN in cancer cell spreading, the influence on this process of the newly identified sequences will be investigated in the future.
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Affiliation(s)
- Mirela Sarbu
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300569, Romania
| | - Raluca Ica
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300569, Romania
- Department of Physics, West University of Timisoara, Timisoara, 300223, Romania
| | - Edie Sharon
- Department of Chemistry, The College of Arts & Science, Indiana University, Bloomington, Indiana, USA
| | - David E Clemmer
- Department of Chemistry, The College of Arts & Science, Indiana University, Bloomington, Indiana, USA
| | - Alina D Zamfir
- Department of Condensed Matter, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 300569, Romania
- Department of Technical and Natural Sciences, "Aurel Vlaicu" University of Arad, Arad, 310330, Romania
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Hanamatsu H, Makino S, Ohara M, Suda G, Yokota I, Nishihara S, Sakamoto N, Furukawa JI. Simultaneous determination of heparan sulfate, chondroitin/dermatan sulfates, and hyaluronan glycosaminoglycan disaccharides by high-performance liquid chromatography using a reverse-phase column with adamantyl groups. J Chromatogr A 2023; 1689:463748. [PMID: 36586283 DOI: 10.1016/j.chroma.2022.463748] [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: 10/20/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/25/2022]
Abstract
Glycosaminoglycans (GAGs), which are one of the major components of proteoglycans, play a pivotal role in physiological processes such as signal transduction, cell adhesion, growth, and differentiation. Characterization of GAGs is challenging due to the tremendous structural diversity of heteropolysaccharides with numerous sulfate or carboxyl groups. In this present study, we examined the analysis of 2-aminobenzamide (2-AB) labeled GAG disaccharides by high-performance liquid chromatography (HPLC) using a reverse-phase (RP)-column with adamantyl groups. Under the analytical conditions, 17 types of 2-AB labeled GAG disaccharides derived from heparan sulfate, chondroitin/dermatan sulfates, and hyaluronan were sequentially separated in a single analysis. The analysis time was fast with high retention time reproducibility. Moreover, the RP-HPLC column with adamantyl groups allowed the quantification of GAGs in various biological samples, such as serum, cultured cells, and culture medium.
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Affiliation(s)
- Hisatoshi Hanamatsu
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan; Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan.
| | - Satoshi Makino
- Sanyo Fine IRICA Technology Co., Ltd. Kyoto, Kyoto 601-8037, Japan
| | - Masatsugu Ohara
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan
| | - Goki Suda
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan
| | - Ikuko Yokota
- Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi 464-8601, Japan
| | - Shoko Nishihara
- Department of Bioinformatics, Graduate School of Engineering, Soka University, Hachioji, Tokyo, Japan; Glycan & Life System Integration Center (GaLSIC), Soka University, Hachioji, Tokyo, Japan
| | - Naoya Sakamoto
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan
| | - Jun-Ichi Furukawa
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan; Institute for Glyco-core Research (iGCORE), Nagoya University, Nagoya, Aichi 464-8601, Japan.
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5
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Glycosaminoglycan signatures in body fluids of mucopolysaccharidosis type II mouse model under long-term enzyme replacement therapy. J Mol Med (Berl) 2022; 100:1169-1179. [PMID: 35816218 PMCID: PMC9329393 DOI: 10.1007/s00109-022-02221-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 05/09/2022] [Accepted: 06/08/2022] [Indexed: 12/03/2022]
Abstract
Abstract Mucopolysaccharidosis type II (MPS II) is a neurometabolic disorder, due to the deficit of the lysosomal hydrolase iduronate 2-sulfatase (IDS). This leads to a severe clinical condition caused by a multi-organ accumulation of the glycosaminoglycans (GAGs/GAG) heparan- and dermatan-sulfate, whose elevated levels can be detected in body fluids. Since 2006, enzyme replacement therapy (ERT) has been clinically applied, showing efficacy in some peripheral districts. In addition to clinical monitoring, GAG dosage has been commonly used to evaluate ERT efficacy. However, a strict long-term monitoring of GAG content and composition in body fluids has been rarely performed. Here, we report the characterization of plasma and urine GAGs in Ids knock-out (Ids-ko) compared to wild-type (WT) mice, and their changes along a 24-week follow-up, with and without ERT. The concentration of heparan-sulfate (HS), chondroitin-sulfate (CS), and dermatan-sulfate (DS), and of the non-sulfated hyaluronic acid (HA), together with their differentially sulfated species, was quantified by capillary electrophoresis with laser-induced fluorescence. In untreated Ids-ko mice, HS and CS + DS were noticeably increased at all time points, while during ERT follow-up, a substantial decrease was evidenced for HS and, to a minor extent, for CS + DS. Moreover, several structural parameters were altered in untreated ko mice and reduced after ERT, however without reaching physiological values. Among these, disaccharide B and HS 2s disaccharide showed to be the most interesting candidates as biomarkers for MPS II. GAG chemical signature here defined provides potential biomarkers useful for an early diagnosis of MPS II, a more accurate follow-up of ERT, and efficacy evaluations of newly proposed therapies. Key messages Plasmatic and urinary GAGs are useful markers for MPS II early diagnosis and prognosis. CE-LIF allows GAG structural analysis and the quantification of 17 different disaccharides. Most GAG species increase and many structural features are altered in MPS II mouse model. GAG alterations tend to restore to wild-type levels following ERT administration. CS+DS/HS ratio, % 2,4dis CS+DS, and % HS 2s are potential markers for MPS II pathology and ERT efficacy.
Supplementary Information The online version contains supplementary material available at 10.1007/s00109-022-02221-3.
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6
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Poyer S, Seffouh I, Lopin-Bon C, Jacquinet JC, Neira JL, Salpin JY, Daniel R. Discrimination of sulfated isomers of chondroitin sulfate disaccharides by HILIC-MS. Anal Bioanal Chem 2021; 413:7107-7117. [PMID: 34651208 DOI: 10.1007/s00216-021-03679-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/09/2021] [Accepted: 09/20/2021] [Indexed: 11/29/2022]
Abstract
Chondroitin sulfate (CS) glycosaminoglycans are biologically active sulfated polysaccharides that pose an analytical challenge for their structural analysis and functional evaluation. In this study, we developed a hydrophilic interaction liquid chromatography separation method and its on-line coupling to mass spectrometry (MS) allowing efficient differentiation and sensitive detection of mono-, di-, and trisulfated CS disaccharides and their positional isomers, without requiring prior derivatization. The composition of the mobile phase in terms of pH and concentration showed great influence on the chromatographic separation and was varied to allow the distinction of each CS without signal overlap for a total analysis time of 25 min. This methodology was applied to determine the disaccharide composition of biological reaction media resulting from various enzymatic transformations of CS, such as enzymatic desulfation of CS disaccharides by a CS 4-O-endosulfatase, and depolymerization of the CS endocan by chondroitinase lyase ABC.
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Affiliation(s)
- Salomé Poyer
- Université Paris-Saclay, CNRS, Univ Evry, LAMBE, 91025, Evry-Courcouronnes, France.
- CY Cergy Paris Université, LAMBE, 91025, Evry-Courcouronnes, France.
| | - Ilham Seffouh
- Université Paris-Saclay, CNRS, Univ Evry, LAMBE, 91025, Evry-Courcouronnes, France
- CY Cergy Paris Université, LAMBE, 91025, Evry-Courcouronnes, France
| | | | | | - José L Neira
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernandez, Elche, Alicante, Spain
| | - Jean-Yves Salpin
- Université Paris-Saclay, CNRS, Univ Evry, LAMBE, 91025, Evry-Courcouronnes, France
- CY Cergy Paris Université, LAMBE, 91025, Evry-Courcouronnes, France
| | - Régis Daniel
- Université Paris-Saclay, CNRS, Univ Evry, LAMBE, 91025, Evry-Courcouronnes, France.
- CY Cergy Paris Université, LAMBE, 91025, Evry-Courcouronnes, France.
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Zaikin VG, Borisov RS. Options of the Main Derivatization Approaches for Analytical ESI and MALDI Mass Spectrometry. Crit Rev Anal Chem 2021; 52:1287-1342. [PMID: 33557614 DOI: 10.1080/10408347.2021.1873100] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The inclusion of preliminary chemical labeling (derivatization) in the analysis process by such powerful and widespread methods as electrospray ionization (ESI) and matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) is a popular and widely used methodological approach. This is due to the need to remove some fundamental limitations inherent in these powerful analytic methods. Although a number of special reviews has been published discussing the utilization of derivatization approaches, the purpose of the present critical review is to comprehensively summarize, characterize and evaluate most of the previously developed and practically applied, as well as recently proposed representative derivatization reagents for ESI-MS and MALDI-MS platforms in their mostly sensitive positive ion mode and frequently hyphenated with separation techniques. The review is focused on the use of preliminary chemical labeling to facilitate the detection, identification, structure elucidation, quantification, profiling or MS imaging of compounds within complex matrices. Two main derivatization approaches, namely the introduction of permanent charge-fixed or highly proton affinitive residues into analytes are critically evaluated. In situ charge-generation, charge-switch and charge-transfer derivatizations are considered separately. The potential of using reactive matrices in MALDI-MS and chemical labeling in MS-based omics sciences is given.
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Affiliation(s)
- Vladimir G Zaikin
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - Roman S Borisov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
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8
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Volpi N, Galeotti F, Maccari F, Capitani F, Mantovani V. Structural definition of terrestrial chondroitin sulfate of various origin and repeatability of the production process. J Pharm Biomed Anal 2020; 195:113826. [PMID: 33358299 DOI: 10.1016/j.jpba.2020.113826] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 10/22/2022]
Abstract
We report results on the structure, physicochemical characteristics and purity of chondroitin sulfate (CS) samples derived from three largely available and common biological sources such as bovine and porcine trachea and chicken keel bones with the aim to define their structural signatures. Many lots of CS produced by a manufacturer at industrial scale were characterized with a view to assess the reproducibility of the process as not controlled extractive procedures may produce final products with variable structure and biological contaminants as well as not constant clinical efficacy and safety. By using standardized source animal tissues and manufacturing procedure, highly pure CS (∼92 %) products with constant structure and characteristics were obtained. Bovine CS showed a lower molecular weight (MWw of ∼21,500 Da) than porcine (MWw of ∼26,000 Da) and chicken (MWw of ∼35,900 Da) products with a CV% of ∼2.0-7.5 and a polydispersity variability of 0.7-2.7 %. The ratio between the sulfate groups main located in position 4 and 6 of N-acetyl-galactosamine (4/6 ratio) was ∼1.70 for bovine CS versus a value of 3.60 for porcine and ∼2.70 for chicken samples with a overall charge density of 0.92-0.93 and a CV% of 2.1-2.5. The final products also showed the presence of a very low and constant content of other co-purified bio(macro)molecules (hyaluronic acid, keratan sulfate, dermatan sulfate, heparan sulfate, nucleic acids and proteins), calcium and sodium, and the absence of versican. Finally, a high reproducibility of molecular weight values, disaccharide composition, specific optical rotation and particle dimension was observed. The observed parameters are structural signatures useful to specifically identify the origin of CS and obtained by a standardized and highly reproducible manufacturing process. The compositional profile determined from this study provides a measure of the norm and range of variation in CS samples of terrestrial origin produced under standardized production protocol to which future pharmaceutical/nutraceutical final products can be compared. Moreover, the physicochemical properties including molecular weight, disaccharide composition, presence of natural contaminants and particle dimension were characterized to provide the basis of CS of high quality for application as pharmaceutical/nutraceutical active agents.
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Affiliation(s)
- Nicola Volpi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy.
| | - Fabio Galeotti
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Francesca Maccari
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Federica Capitani
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Veronica Mantovani
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy; Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
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9
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Analysis of hyaluronan and its derivatives using chromatographic and mass spectrometric techniques. Carbohydr Polym 2020; 250:117014. [DOI: 10.1016/j.carbpol.2020.117014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/10/2020] [Accepted: 08/26/2020] [Indexed: 01/15/2023]
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10
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Sadowski R, Gadzała-Kopciuch R, Buszewski B. Qualitative analysis of enzymatic and chemical depolymerized low molecular weight heparins by UHPLC coupled with electrospray ionization quadrupole time-of-flight-mass spectrometry. J Sep Sci 2020; 43:3036-3044. [PMID: 32388896 DOI: 10.1002/jssc.202000164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/05/2020] [Accepted: 04/06/2020] [Indexed: 02/01/2023]
Abstract
Complete heparin digestion with heparin lyase I and II results in a mixture of hexasaccharides and tetrasaccharides with 3-O-sulfo group-containing glucosamine residues at their reducing ends. Because these tetrasaccharides are derived from antithrombin III-binding sites of heparin, we examined whether this method could be applied to estimate the anticoagulant activity of heparin. Therefore, this paper presents a new low molecular weight heparin sample preparation method-chemical depolymerization. Qualitative analysis of the studied compounds and a comparison of their composition are an important contribution to the structural analysis of low molecular weight heparins, which has not been fully conducted so far. Qualitative on-line liquid chromatography-mass spectrometric analysis of these resistant oligosaccharides is also described in this paper.
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Affiliation(s)
- Radosław Sadowski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100, Toruń, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland
| | - Renata Gadzała-Kopciuch
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100, Toruń, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland
| | - Bogusław Buszewski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100, Toruń, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland
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11
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Xiao J, Hao X, Miao C, Li F, Huang J, Lin X, Chen M, Wu X, Weng S. Determination of chondroitin sulfate in synovial fluid and drug by ratiometric fluorescence strategy based on carbon dots quenched FAM-labeled ssDNA. Colloids Surf B Biointerfaces 2020; 192:111030. [PMID: 32353709 DOI: 10.1016/j.colsurfb.2020.111030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/31/2020] [Accepted: 04/07/2020] [Indexed: 12/19/2022]
Abstract
Chondroitin sulfate (CS) plays an increasingly important role in clinical settings and pharmacy quality control. However, sensitive and simple methods for CS detection remain limited. In this work, positively charged nitrogen doped carbon dots (P-NCDs) with internal luminescence and quenching property to FAM-labeled random-sequence ssDNA (F-ssDNA) were prepared by a simple heating method. P-NCDs attached and quenched F-ssDNA through electrostatic interaction to form the system of P-NCDs and F-ssDNA (P-NCDs/F-ssDNA) with retained fluorescence intensity of P-NCDs. The highly negatively charged CS reacted electrostatically with P-NCDs and then replaced F-ssDNA in P-NCDs/F-ssDNA to recover the fluorescence intensity of the original quenched F-ssDNA while retaining the internal fluorescence intensity of P-NCDs. Thus, by using restored F-ssDNA as the signal controlled by adding CS to P-NCDs/F-ssDNA, a ratiometric fluorescence strategy based on the retained fluorescence of P-NCDs as reference signal was fabricated through synchronous fluorescence spectrometry for the sensitive detection of CS. Under the optimal experimental conditions, a linear equation for CS was obtained for CS concentration within the range of 0.05-2.0 μg/mL. The method was also successfully applied for the accurate determination of CS in joint fluid samples of arthritic patients, chondroitin sulfate tablets, and chondroitin sulfate eye drops, suggesting its appreciable application potential in the clinic.
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Affiliation(s)
- Jiecheng Xiao
- Department of Orthopedic Surgery, the Affiliated Hospital of Putian University, Putian 351100, China
| | - Xiaoli Hao
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Chenfang Miao
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Fenglan Li
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Jianyong Huang
- Department of Pharmaceutical, Fujian Medical University Union Hospital, Fuzhou 350001, China.
| | - Xinhua Lin
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Min Chen
- Department of Orthopedic Surgery, Fujian Medical University Union Hospital, Fuzhou 350001, China.
| | - Xianwei Wu
- Department of Orthopedic Surgery, the Affiliated Hospital of Putian University, Putian 351100, China.
| | - Shaohuang Weng
- Department of Pharmaceutical Analysis, School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
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12
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Robust LC-MS/MS methods for analysis of heparan sulfate levels in CSF and brain for application in studies of MPS IIIA. Bioanalysis 2020; 11:1389-1403. [PMID: 31490106 DOI: 10.4155/bio-2019-0095] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Aim: Accumulation of heparan sulfate (HS) is associated with the neurodegenerative disorder Mucopolysaccharidosis type IIIA (MPS IIIA). Here, we compare HS levels in brain and cerebrospinal fluid (CSF) of MPS IIIA mice after treatment with a chemically modified sulfamidase (CM-rhSulfamidase). Materials & methods: Two LC-MS/MS methods were adapted from literature methodology, one to measure HS metabolites (HSmet), the other to measure digests of HS after heparinase treatment (HSdig). Results: The HSmet and HSdig methods showed similar relative reduction of HS in brain after CM-rhSulfamidase administration to MPS IIIA mice and the reduction was reflected also in CSF. Conclusion: The results of the two methods correlated and therefore the HSdig method can be used in clinical studies to determine HS levels in CSF from patients with MPS IIIA.
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13
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Huang H, Liu S, Du J, Lin J, Liang Q, Liu S, Wei Z. Structural analysis of glycosaminoglycans from Colla corii asini by liquid chromatography-electrospray ion trap mass spectrometry. Glycoconj J 2020; 37:201-207. [PMID: 31900724 DOI: 10.1007/s10719-019-09904-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/01/2019] [Accepted: 12/12/2019] [Indexed: 12/01/2022]
Abstract
Colla corii asini (CCA) made from donkey-hide has been widely used as a traditional animal-based Chinese medicine. Chondroitin sulfate (CS), dermatan sulfate (DS) and hyaluronic acid (HA) are structurally complex classes of glycosaminoglycans (GAGs) that have been implicated in a wide range of biological activities. However, their possible structural characteristics in CCA are not clear. In this study, GAG fractions containing CS/DS and HA were isolated from CCA and their disaccharide compositions were analyzed by high sensitivity liquid chromatography-ion trap/time-of-flight mass spectrometry (LC-MS-ITTOF). The result showed that CS/DS/HA disaccharides were detected in the three lower salt fractions from anion-exchange chromatography. The sulfation patterns and densities of CS/DS chains in these fractions differed greatly, while HA chains varied in their chain lengths. The quantitative analysis first revealed that the amount of GAGs in CCA varied significantly in total and in each fraction. This novel structural information could help clarify the possible involvement of these polysaccharides in the biological activities of CCA.
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Affiliation(s)
- Haiyue Huang
- Institute of Glycobiochemistry, National Engineering Research Centre of Chemical Fertilizer Catalyst, Fu Zhou University, Fu Zhou, 350002, People's Republic of China.,College of Chemistry, Fu Zhou University, Fu Zhou, 350002, People's Republic of China
| | - Su Liu
- College of Chemistry, Fu Zhou University, Fu Zhou, 350002, People's Republic of China
| | - Jiayan Du
- Institute of Glycobiochemistry, National Engineering Research Centre of Chemical Fertilizer Catalyst, Fu Zhou University, Fu Zhou, 350002, People's Republic of China
| | - Jianghui Lin
- Institute of Glycobiochemistry, National Engineering Research Centre of Chemical Fertilizer Catalyst, Fu Zhou University, Fu Zhou, 350002, People's Republic of China
| | - Quntao Liang
- College of Biological Science and Engineering, Fu Zhou University, Fu Zhou, 350002, People's Republic of China.
| | - Shutao Liu
- College of Biological Science and Engineering, Fu Zhou University, Fu Zhou, 350002, People's Republic of China
| | - Zheng Wei
- Institute of Glycobiochemistry, National Engineering Research Centre of Chemical Fertilizer Catalyst, Fu Zhou University, Fu Zhou, 350002, People's Republic of China.
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14
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Glycosaminoglycans in biological samples – Towards identification of novel biomarkers. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115732] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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15
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Burge KY, Hannah L, Eckert JV, Gunasekaran A, Chaaban H. The Protective Influence of Chondroitin Sulfate, a Component of Human Milk, on Intestinal Bacterial Invasion and Translocation. J Hum Lact 2019; 35:538-549. [PMID: 31051086 PMCID: PMC6615959 DOI: 10.1177/0890334419845338] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Human milk is known to be protective against necrotizing enterocolitis, a devastating intestinal inflammatory disease affecting the preterm population. Although the pathogenesis of necrotizing enterocolitis is yet to be solidified, intestinal integrity dysfunction, bacterial invasion and/or translocation, and inflammation may play important roles. Glycosaminoglycans, compounds naturally prevalent in both human milk and the intestine, are thought to be anti-inflammatory and capable of altering bacterial interactions within the gut. RESEARCH AIM In this study, we aimed to evaluate the potential of chondroitin sulfate, the most prominent class of glycosaminoglycans in human milk, to protect against bacterial infection in an intestinal in vitro model. METHODS T84 cell monolayers were treated with chondroitin sulfate and cell viability was assessed across a number of doses. Monolayers were then pretreated with chondroitin sulfate and subsequently challenged with E. coli invasion and translocation to evaluate any protective role of the compound against infection. Tight junction barrier function was assessed by transepithelial electrical resistance, and cytokine levels were evaluated. RESULTS Chondroitin sulfate at any dose up to 750 μg/ml was not associated with any statistically significant decrease in cell viability. Additionally, chondroitin sulfate at 750 μg/ml was associated with a 75% decrease in both bacterial invasion and translocation compared to control. CONCLUSIONS These data suggest chondroitin sulfate may protect against bacterial infection through a reduction in both invasion and translocation, importantly without attendant reduction in cell viability.
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Affiliation(s)
- Kathryn Y Burge
- 1 Neonatal Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Lindsey Hannah
- 1 Neonatal Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Jeffrey V Eckert
- 1 Neonatal Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Aarthi Gunasekaran
- 1 Neonatal Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Hala Chaaban
- 1 Neonatal Perinatal Medicine, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
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16
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Chondroitin Sulfate Safety and Quality. Molecules 2019; 24:molecules24081447. [PMID: 31013685 PMCID: PMC6515237 DOI: 10.3390/molecules24081447] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/08/2019] [Accepted: 04/09/2019] [Indexed: 12/31/2022] Open
Abstract
The industrial production of chondroitin sulfate (CS) uses animal tissue sources as raw material derived from different terrestrial or marine species of animals. CS possesses a heterogeneous structure and physical-chemical profile in different species and tissues, responsible for the various and more specialized functions of these macromolecules. Moreover, mixes of different animal tissues and sources are possible, producing a CS final product having varied characteristics and not well identified profile, influencing oral absorption and activity. Finally, different extraction and purification processes may introduce further modifications of the CS structural characteristics and properties and may lead to extracts having a variable grade of purity, limited biological effects, presence of contaminants causing problems of safety and reproducibility along with not surely identified origin. These aspects pose a serious problem for the final consumers of the pharmaceutical or nutraceutical products mainly related to the traceability of CS and to the declaration of the real origin of the active ingredient and its content. In this review, specific, sensitive and validated analytical quality controls such as electrophoresis, eHPLC (enzymatic HPLC) and HPSEC (high-performance size-exclusion chromatography) able to assure CS quality and origin are illustrated and discussed.
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17
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Sadowski R, Gadzała-Kopciuch R, Buszewski B. Recent Developments in the Separation of Low Molecular Weight Heparin Anticoagulants. Curr Med Chem 2019; 26:166-176. [PMID: 28982317 DOI: 10.2174/0929867324666171005114150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/11/2016] [Accepted: 09/05/2017] [Indexed: 11/22/2022]
Abstract
The general function of anticoagulants is to prevent blood clotting and growing of the existing clots in blood vessels. In recent years, there has been a significant improvement in developing methods of prevention as well as pharmacologic and surgical treatment of thrombosis. For over the last two decades, low molecular weight heparins (LMWHs) have found their application in the antithrombotic diseases treatment. These types of drugs are widely used in clinical therapy. Despite the biological and medical importance of LMWHs, they have not been completely characterized in terms of their chemical structure. Due to both, the structural complexity of these anticoagulants and the presence of impurities, their structural characterization requires the employment of advanced analytical techniques. Since separation techniques play the key role in these endeavors, this review will focus on the presentation of recent developments in the separation of LMWH anticoagulants.
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Affiliation(s)
- Radosław Sadowski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Toruń, Poland
| | - Renata Gadzała-Kopciuch
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Toruń, Poland
| | - Bogusław Buszewski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland.,Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Toruń, Poland
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18
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Marine glycosaminoglycan-like carbohydrates as potential drug candidates for infectious disease. Biochem Soc Trans 2018; 46:919-929. [PMID: 30026370 DOI: 10.1042/bst20170404] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/27/2018] [Accepted: 05/21/2018] [Indexed: 12/15/2022]
Abstract
Glycosaminoglycans (GAGs), present in the extracellular matrix, are exploited by numerous, distinct microbes for cellular attachment, adhesion, invasion and evasion of the host immune system. Glycosaminoglycans, including the widely used, clinical anticoagulant heparin and semi-synthetic analogues thereof, have been reported to inhibit and disrupt interactions between microbial proteins and carbohydrates present on the surface of host cells. However, the anticoagulant properties of unmodified, pharmaceutical heparin preparations preclude their capabilities as therapeutics for infectious disease states. Here, unique Glycosaminoglycan-like saccharides from various, distinct marine species are reported for their potential use as therapeutics against infectious diseases; many of which possess highly attenuated anticoagulant activities, while retaining significant antimicrobial properties.
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19
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A novel LC-MS/MS assay to quantify dermatan sulfate in cerebrospinal fluid as a biomarker for mucopolysaccharidosis II. Bioanalysis 2018; 10:825-838. [PMID: 29863901 DOI: 10.4155/bio-2018-0025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
AIM The study aimed to develop an LC-MS/MS assay to measure dermatan sulfate (DS) in human cerebrospinal fluid (CSF). METHODS & RESULTS DS was quantified by ion pairing LC-MS/MS analysis of the major disaccharides derived from chondroitinase B digestion. Artificial CSF was utilized as a surrogate for calibration curve preparation. The assay was fully validated, with a linear range of 20.0-4000 ng/ml, accuracy within ±20%, and precision of ≤20%. CSF samples from mucopolysaccharidoses (MPS) II patients showed an average of 11-fold increase in DS levels compared with controls. CONCLUSION The described assay is capable of differentiating DS levels in the CSF of MPS II patients from controls and can be used to monitor disease progression and therapeutic responses.
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20
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Cao C, Song S, Wu S, Ai C, Liu H, Lu J, Wen C. Characterization and comparison of acidic polysaccharide populations in Atrina pectinata individuals. J Carbohydr Chem 2018. [DOI: 10.1080/07328303.2018.1438454] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chunyang Cao
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
- National Engineering Research Center of Seafood, Dalian, P. R. China
| | - Shuang Song
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
- National Engineering Research Center of Seafood, Dalian, P. R. China
- National and Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian, P. R. China
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA, U.S.A
| | - Sufeng Wu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
| | - Chunqing Ai
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
- National Engineering Research Center of Seafood, Dalian, P. R. China
- National and Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian, P. R. China
| | - Haiman Liu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
- National Engineering Research Center of Seafood, Dalian, P. R. China
| | - Jiaojiao Lu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
- National Engineering Research Center of Seafood, Dalian, P. R. China
| | - Chengrong Wen
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
- National Engineering Research Center of Seafood, Dalian, P. R. China
- National and Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian, P. R. China
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21
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Poyer S, Lopin-Bon C, Jacquinet JC, Salpin JY, Daniel R. Isomer separation and effect of the degree of polymerization on the gas-phase structure of chondroitin sulfate oligosaccharides analyzed by ion mobility and tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2017; 31:2003-2010. [PMID: 28901031 DOI: 10.1002/rcm.7987] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 09/05/2017] [Accepted: 09/05/2017] [Indexed: 06/07/2023]
Abstract
RATIONALE Chondroitin sulfate (CS) glycosaminoglycans are bioactive sulfated polysaccharides comprising repeating units of uronic acid and N-acetyl galactose sulfated at various positions. The optimal length and sulfation pattern of the CS bioactive sequences remain elusive so that structure-activity relationships cannot be easily established. Development of efficient analytical methods allowing the differentiation of the various sulfation patterns of CS sequences is therefore of particular importance to correlate their biological functions to the sulfation pattern. METHODS Discrimination of different oligomers (dp2 to dp6) of synthetic chondroitin sulfate isomers was evaluated by electrospray ionization tandem mass spectrometry (ESI-MS/MS) in the negative-ion mode from deprotonated and alkali adduct species. In addition, ion mobility mass spectrometry (IMS-MS) was used to study the influence of both the degree of polymerization and sulfate group location on the gas-phase conformation of CS oligomers. RESULTS ESI-MS/MS spectra of chondroitin sulfate isomers show characteristic product ions exclusively from alkali adduct species (Li, Na, K and Cs). Whatever the alkali adducts studied, MS/MS of chondroitin oligosaccharides sulfated at position 6 yields a specific product ion at m/z 139 while CS oligosaccharides sulfated at position 4 show a specific product ion at m/z 154. Being observed for the different CS oligomers di-, tetra- and hexasaccharides, these fragment ions are considered as diagnostic ions for chondroitin 6-O-sulfate and chondroitin 4-O-sulfate, respectively. IMS-MS experiments reveal that collision cross-sections (CCS) of CS oligomers with low charge states evolved linearly with degrees of polymerization indicating a similar gas-phase conformation. CONCLUSIONS This study allows the fast and unambiguous differentiation of CS isomers sulfated at position 6 or 4 for both saturated and unsaturated analogues from MS/MS experiments. In addition, the CCS linear evolution of CS oligomers in function of the degree of polymerization indicates that no folding occurs even for hexasaccharides.
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Affiliation(s)
- Salomé Poyer
- Université Paris-Saclay, CNRS, CEA, Univ Evry, Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, F-91025, Evry, France
| | | | | | - Jean-Yves Salpin
- Université Paris-Saclay, CNRS, CEA, Univ Evry, Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, F-91025, Evry, France
| | - Régis Daniel
- Université Paris-Saclay, CNRS, CEA, Univ Evry, Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, F-91025, Evry, France
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22
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Maccari F, Sorrentino NC, Mantovani V, Galeotti F, Fraldi A, Volpi N. Glycosaminoglycan levels and structure in a mucopolysaccharidosis IIIA mice and the effect of a highly secreted sulfamidase engineered to cross the blood-brain barrier. Metab Brain Dis 2017; 32:203-210. [PMID: 27585464 DOI: 10.1007/s11011-016-9895-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Accepted: 08/08/2016] [Indexed: 11/30/2022]
Abstract
Mucopolysaccharidosis type IIIA (MPS IIIA, Sanfilippo A) is a neurodegenerative lysosomal storage disorder caused by the deficiency of sulphamidase enzyme (SGSH) leading to accumulation of heparan sulfate (HS). We quantitatively and structurally characterize primary stored HS and other glycosaminoglycans (GAGs) possibly accumulated through a secondary storage in brain, liver, kidney and lung of MPS IIIA mouse model. This analysis was also performed in MPS IIIA mice upon the intravenous treatment with an engineered human sulphamidase (chimeric hSGSH) capable to increase its secretion from the liver and to cross the blood-brain barrier. MPS IIIA animals showed a huge accumulation of HS, from ~15 up to ~24-times higher than wild type and also of hyaluronic acid (HA) (from 2.5 up to ~5.0-times more) and chondroitin sulfate (CS)/dermatan sulfate (DS) (from ~2 up to ~5-times more) in all studied organs. We also observed a significant increase in the overall HS charge density and in particular of 2-O-sulfation in MPS IIIA mice organs. 8 months after a systemic treatment with an engineered SGSH, the enzyme was highly efficient in the reduction of all accumulated GAGs in liver, brain and lung up to values of wild type mice. On the contrary, even if reduced, GAGs levels still remained significantly elevated in kidney. Overall data obtained by this detailed analysis of GAGs in the different organs of affected and treated animals with chimeric hSGSH may have implications for the evaluation of an effective therapeutic option of MPS IIIA and for the reduction of related neuropathology.
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Affiliation(s)
- F Maccari
- Department of Life Sciences|, University of Modena and Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy
| | - N C Sorrentino
- Telethon Institute of Genetics and Medicine (TIGEM), Naples, Italy
| | - V Mantovani
- Department of Life Sciences|, University of Modena and Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy
| | - F Galeotti
- Department of Life Sciences|, University of Modena and Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy
| | - A Fraldi
- Telethon Institute of Genetics and Medicine (TIGEM), Naples, Italy.
| | - N Volpi
- Department of Life Sciences|, University of Modena and Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy.
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23
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Lin N, Mo X, Yang Y, Zhang H. Purification and sequence characterization of chondroitin sulfate and dermatan sulfate from fishes. Glycoconj J 2017; 34:241-253. [DOI: 10.1007/s10719-016-9759-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 12/03/2016] [Accepted: 12/22/2016] [Indexed: 12/01/2022]
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24
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Efficient recovery of glycosaminoglycan oligosaccharides from polyacrylamide gel electrophoresis combined with mass spectrometry analysis. Anal Bioanal Chem 2016; 409:1257-1269. [DOI: 10.1007/s00216-016-0052-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 10/10/2016] [Accepted: 10/21/2016] [Indexed: 02/05/2023]
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25
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Maccari F, Galeotti F, Zampini L, Padella L, Tomanin R, Concolino D, Fiumara A, Galeazzi T, Coppa G, Gabrielli O, Volpi N. Total and single species of uronic acid-bearing glycosaminoglycans in urine of newborns of 2-3days of age for early diagnosis application. Clin Chim Acta 2016; 463:67-72. [PMID: 27737736 DOI: 10.1016/j.cca.2016.10.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 10/06/2016] [Accepted: 10/08/2016] [Indexed: 01/04/2023]
Abstract
BACKGROUND Urine are easily accessible and relatively simple to process and uronic acid-bearing glycosaminoglycans (UA-GAGs) may serve as biomarkers for several diseases, like for mucopolysaccharidosis. METHODS We report a study from a large cohort of healthy newborns of 2-3days to have a basic profile of total content of urinary UA-GAGs, their composition and structural signatures utilizing a rapid extractive method and sensitive separation of enzymatic released disaccharides by capillary electrophoresis-light induced fluorescence. Results were also compared with those obtained from normal adult subjects. RESULTS A total of UA-GAGs content of ~35μg/mg creatinine was observed in 331 newborns versus 1.5μg/mg creatinine of adult urine composed of ~90% chondroitin sulfate (CS), ~7% heparan sulfate (HS) and ~3% hyaluronic acid (HA). No significant differences were observed with adults. Specific ratios between the main CS disaccharides were informative of a significant greater 4-sulfation and charge density for newborn compared to adults. The HS from newborn urine was mainly composed by the non-sulfated (~64%) and mono-sulfated (~28%) disaccharides. No significant differences were observed versus adult urine. CONCLUSIONS The present method is able to measure changes in UA-GAG composition and their structure independently of the age of subjects and rapidly applicable to the newborn diagnosis without necessity to have creatinine levels. Moreover, modifications in charge density values as well as the presence of sulfate groups in specific positions may be indicative of altered conditions.
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Affiliation(s)
- Francesca Maccari
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabio Galeotti
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Lucia Zampini
- Department of Clinical Sciences, Polytechnic University of the Marche, Ancona, Italy
| | - Lucia Padella
- Department of Clinical Sciences, Polytechnic University of the Marche, Ancona, Italy
| | - Rosella Tomanin
- Department of Women's and Children's Health, University of Padova, Padova, Italy
| | - Daniela Concolino
- Department of Paediatrics, University of Catanzaro, Catanzaro, Italy
| | - Agata Fiumara
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Tiziana Galeazzi
- Department of Clinical Sciences, Polytechnic University of the Marche, Ancona, Italy
| | - Giovanni Coppa
- Department of Clinical Sciences, Polytechnic University of the Marche, Ancona, Italy
| | - Orazio Gabrielli
- Department of Clinical Sciences, Polytechnic University of the Marche, Ancona, Italy
| | - Nicola Volpi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy.
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26
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Yamamoto S, Kinoshita M, Suzuki S. Current landscape of protein glycosylation analysis and recent progress toward a novel paradigm of glycoscience research. J Pharm Biomed Anal 2016; 130:273-300. [PMID: 27461579 DOI: 10.1016/j.jpba.2016.07.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Revised: 07/09/2016] [Accepted: 07/09/2016] [Indexed: 12/25/2022]
Abstract
This review covers the basics and some applications of methodologies for the analysis of glycoprotein glycans. Analytical techniques used for glycoprotein glycans, including liquid chromatography (LC), capillary electrophoresis (CE), mass spectrometry (MS), and high-throughput analytical methods based on microfluidics, were described to supply the essentials about biopharmaceutical and biomarker glycoproteins. We will also describe the MS analysis of glycoproteins and glycopeptides as well as the chemical and enzymatic releasing methods of glycans from glycoproteins and the chemical reactions used for the derivatization of glycans. We hope the techniques have accommodated most of the requests from glycoproteomics researchers.
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Affiliation(s)
- Sachio Yamamoto
- Faculty of Pharmaceutical Sciences, Kinki University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan.
| | - Mitsuhiro Kinoshita
- Faculty of Pharmaceutical Sciences, Kinki University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Shigeo Suzuki
- Faculty of Pharmaceutical Sciences, Kinki University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
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Mantovani V, Galeotti F, Maccari F, Volpi N. Recent advances on separation and characterization of human milk oligosaccharides. Electrophoresis 2016; 37:1514-24. [PMID: 26801168 DOI: 10.1002/elps.201500477] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 12/03/2015] [Accepted: 12/04/2015] [Indexed: 01/14/2023]
Abstract
Free human milk oligosaccharides (HMOs) are unique due to their highly complex nature and important emerging biological and protective functions during early life such as prebiotic activity, pathogen deflection, and epithelial and immune cell modulation. Moreover, four genetically determined heterogeneous HMO secretory groups are known to be based on their structure and composition. Over the years, several analytical techniques have been applied to characterize and quantitate HMOs, including nuclear magnetic resonance spectroscopy, high-performance liquid chromatography (HPLC), high pH anion-exchange chromatography, off-line and on-line mass spectrometry (MS), and capillary electrophoresis (CE). Even if these techniques have proven to be efficient and simple, most glycans have no significant UV absorption and derivatization with fluorophore groups prior to separation usually results in higher sensitivity and an improved chromatographic/electrophoretic profile. Consequently, the analysis by HPLC/CE of derivatized milk oligosaccharides with different chromophoric active tags has been developed. However, UV or fluorescence detection does not provide specific structural information and this is a key point in particular related to the highly complex nature of the milk glycan mixtures. As a consequence, for a specific determination of complex mixtures of oligomers, analytical separation is usually required with evaluation by means of MS, which has been successfully applied to HMOs, resulting in efficient compositional analysis and profiling in various milk samples. This review aims to give an overview of the current state-of-the-art techniques used in HMO analysis.
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Affiliation(s)
- Veronica Mantovani
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabio Galeotti
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Francesca Maccari
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Nicola Volpi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
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28
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Maccari F, Mantovani V, Gabrielli O, Carlucci A, Zampini L, Galeazzi T, Galeotti F, Coppa GV, Volpi N. Metabolic fate of milk glycosaminoglycans in breastfed and formula fed newborns. Glycoconj J 2016; 33:181-8. [PMID: 26873820 DOI: 10.1007/s10719-016-9655-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Revised: 01/29/2016] [Accepted: 02/01/2016] [Indexed: 11/24/2022]
Abstract
In this study, the content, structure and residual percentages of glycosaminoglycans (GAGs) in the feces of seven breastfed newborns after ingesting a known amount of milk were studied. A comparison was made with five newborns fed with formula milk. Characterization of GAGs from milk and feces samples was performed according to previous methodology. Compared to the ingested GAGs present in milk, residual feces GAGs of breastfed newborns were <0.4 %, contrary to formula milk fed children, where the residues were ~4 %. As a consequence, >99 % of human milk GAGs are utilized as opposed to ~96 % of formula milk. Hyaluronic acid utilization was found to be fairly similar contrary to chondroitin sulfate/dermatan sulfate and heparan sulfate, which were found to be ~10-18 times lower in formula milk fed children. Our new results further demonstrate that the elevated content of human milk GAGs passes undigested through the entire digestive system of newborns, possibly protecting the infant from infections. In the distal gastrointestinal tract, these complex macromolecules are catabolized by a cohort of bacterial enzymes and constituent monosaccharides/oligosaccharides utilized for further metabolic purposes potentially useful for bacteria metabolism or internalized by intestinal cells. Thanks to their elevated structural heterogeneity, milk GAGs are used differently depending on their distinct primary structure. Finally, a different utilization and availability was observed for human milk GAGs compared to formula milk due to their various composition and structural heterogeneity.
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Affiliation(s)
- Francesca Maccari
- Department of Life Sciences, University of Modena & Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy
| | - Veronica Mantovani
- Department of Life Sciences, University of Modena & Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy
| | - Orazio Gabrielli
- Department of Clinical Sciences, Polytechnic University of the Marche, Ospedali Riuniti, Presidio Salesi, Ancona, Italy
| | - Antonio Carlucci
- Department of Pediatrics, Ascoli Piceno Hospital, Ascoli Piceno, Italy
| | - Lucia Zampini
- Department of Clinical Sciences, Polytechnic University of the Marche, Ospedali Riuniti, Presidio Salesi, Ancona, Italy
| | - Tiziana Galeazzi
- Department of Clinical Sciences, Polytechnic University of the Marche, Ospedali Riuniti, Presidio Salesi, Ancona, Italy
| | - Fabio Galeotti
- Department of Life Sciences, University of Modena & Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy
| | - Giovanni V Coppa
- Department of Clinical Sciences, Polytechnic University of the Marche, Ospedali Riuniti, Presidio Salesi, Ancona, Italy
| | - Nicola Volpi
- Department of Life Sciences, University of Modena & Reggio Emilia, Via Campi 213/D, 41125, Modena, Italy.
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A novel LC-MS/MS assay for heparan sulfate screening in the cerebrospinal fluid of mucopolysaccharidosis IIIA patients. Bioanalysis 2016; 8:285-95. [PMID: 26847798 DOI: 10.4155/bio.15.243] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
AIMS Heparan sulfate (HS) accumulates in the central nervous system in mucopolysaccharidosis III type A (MPS IIIA). A validated LC-MS/MS assay was developed to measure HS in human cerebrospinal fluid (CSF). METHODS & RESULTS HS was extracted and digested and the resultant disaccharides were derivatized with a novel label, 4-butylaniline, enabling isoform separation and isotope-tagged analog introduction as an internal standard for LC-MS/MS. The assay has a LLOQ for disaccharides of 0.1 μM, ±20% accuracy and ≤20% precision. CSF samples from patients with MPS IIIA showed elevated HS levels (mean 4.9 μM) compared with negative controls (0.37 μM). CONCLUSION This assay detected elevated HS levels in the CSF of patients with MPS IIIA and provides a method to assess experimental therapies.
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Ouyang Y, Wu C, Sun X, Liu J, Linhardt RJ, Zhang Z. Development of hydrophilic interaction chromatography with quadruple time-of-flight mass spectrometry for heparin and low molecular weight heparin disaccharide analysis. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2016; 30:277-284. [PMID: 26689158 DOI: 10.1002/rcm.7437] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/22/2015] [Accepted: 10/23/2015] [Indexed: 06/05/2023]
Abstract
RATIONALE Heparin and low molecular weight heparin (LMWH) are widely used as clinical anticoagulants. The determination of their composition and structural heterogeneity still challenges analysts. METHODS Disaccharide compositional analysis, utilizing heparinase-catalyzed depolymerization, is one of the most important ways to evaluate the sequence, structural composition and quality of heparin and LMWH. Hydrophilic interaction chromatography coupled with quadruple time-of-flight mass spectrometry (HILIC/QTOFMS) has been developed to analyze the resulting digestion products. RESULTS HILIC shows good resolution and excellent MS compatibility. Digestion products of heparin and LMWHs afforded up to 16 compounds that were separated using HILIC and analyzed semi-quantitatively. These included eight common disaccharides, two disaccharides derived from chain termini, three 3-O-sulfo-group-containing tetrasaccharides, along with three linkage region tetrasaccharides and their derivatives. Structures of these digestion products were confirmed by mass spectral analysis. The disaccharide compositions of a heparin, two batches of the LMWH, enoxaparin, and two batches of the LMWH, nadroparin, were compared. In addition to identifying disaccharides, 3-O-sulfo-group-containing tetrasaccharides, linkage region tetrasaccharides were observed having slightly different compositions and contents in these heparin products suggesting that they had been prepared using different starting materials or production processes. CONCLUSIONS Thus, compositional analysis using HILIC/QTOFMS offers a unique insight into different heparin products.
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Affiliation(s)
- Yilan Ouyang
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, 215021, China
| | - Chengling Wu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, 215021, China
| | - Xue Sun
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, 215021, China
| | - Jianfen Liu
- Xiehe Pharmaceutical Co. Ltd, Shijiazhuang, Hebei Province, 050083, China
| | - Robert J Linhardt
- Departments of Chemistry and Chemical Biology, Chemical and Biological Engineering, Biomedical Engineering, Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, 12180, USA
| | - Zhenqing Zhang
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases and College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, 215021, China
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Deshpande AA, Madhavan P, Deshpande GR, Chandel RK, Yarbagi KM, Joshi AR, Moses Babu J, Murali Krishna R, Rao IM. Novel, Precise, Accurate Ion-Pairing Method to Determine the Related Substances of the Fondaparinux Sodium Drug Substance: Low-Molecular-Weight Heparin. Sci Pharm 2016; 84:19-40. [PMID: 27110496 PMCID: PMC4839259 DOI: 10.3797/scipharm.1505-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 07/22/2015] [Indexed: 11/29/2022] Open
Abstract
Fondaparinux sodium is a synthetic low-molecular-weight heparin (LMWH). This medication is an anticoagulant or a blood thinner, prescribed for the treatment of pulmonary embolism and prevention and treatment of deep vein thrombosis. Its determination in the presence of related impurities was studied and validated by a novel ion-pair HPLC method. The separation of the drug and its degradation products was achieved with the polymer-based PLRPs column (250 mm × 4.6 mm; 5 μm) in gradient elution mode. The mixture of 100 mM n-hexylamine and 100 mM acetic acid in water was used as buffer solution. Mobile phase A and mobile phase B were prepared by mixing the buffer and acetonitrile in the ratio of 90:10 (v/v) and 20:80 (v/v), respectively. Mobile phases were delivered in isocratic mode (2% B for 0-5 min) followed by gradient mode (2-85% B in 5-60 min). An Evaporative Light Scattering Detector (ELSD) was connected to the LC system to detect the responses of chromatographic separation. Further, the drug was subjected to stress studies for acidic, basic, oxidative, photolytic, and thermal degradations as per ICH guidelines and the drug was found to be labile in acid, base hydrolysis, and oxidation, while stable in neutral, thermal, and photolytic degradation conditions. The method provided linear responses over the concentration range of the LOQ to 0.30% for each impurity with respect to the analyte concentration of 12.5 mg/mL, and regression analysis showed a correlation coefficient value (r(2)) of more than 0.99 for all the impurities. The LOD and LOQ were found to be 1.4 µg/mL and 4.1 µg/mL, respectively, for fondaparinux. The developed ion-pair method was validated as per ICH guidelines with respect to accuracy, selectivity, precision, linearity, and robustness.
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Affiliation(s)
- Amol A. Deshpande
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - P. Madhavan
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - Girish R. Deshpande
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - Ravi Kumar Chandel
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - Kaviraj M. Yarbagi
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - Alok R. Joshi
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - J. Moses Babu
- Analytical Research, Custom Pharmaceutical Services, Dr. Reddy’s Laboratories Ltd., Bollaram road, Miyapur, Hyderabad-500049 (AP), India
| | - R. Murali Krishna
- Department of Physical, Nuclear and Chemical Oceanology, Andhra University, Visakhapatnam-530003, India
| | - I. M. Rao
- Department of Physical, Nuclear and Chemical Oceanology, Andhra University, Visakhapatnam-530003, India
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Aaltonen K, Niemelä T, Sankari S, Tulamo RM. Determination of the unsaturated disaccharides of hyaluronic acid in equine synovial fluid by high-performance liquid chromatography and fluorescence detection. Acta Vet Scand 2015; 57:12. [PMID: 25886740 PMCID: PMC4350955 DOI: 10.1186/s13028-015-0098-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 01/22/2015] [Indexed: 11/24/2022] Open
Abstract
Background The purpose of this study was to develop and validate an analytical method to determine the presence of hyaluronic acid derived disaccharides in equine synovial fluid. Findings A high-performance liquid chromatography method for the determination of hyaluronic acid derived unsaturated disaccharides in equine synovial fluid was developed and validated. The method is based on the measurement of unsaturated disaccharides released by digestion of linear hyaluronic acid molecules. The method showed linearity (r2 = 0.996) over the full working concentration range 0.89-30 mg/l. Relative standard deviation of intra- and inter-day precision ranged from of 4.3-6.7% and 7.1-7.8% respectively. The detection limit was 0.3 mg/l corresponding to 20 mg/l in synovial fluid. Accuracy of the assay was 97-103%. This method was evaluated by determining the concentration of unsaturated disaccharides from hyaluronic acid in synovial fluid of horses with lameness in the metacarpo-/metatarsophalangeal joint localized with positive response to intra-articular anesthesia. Conclusions The described method is valid for determination of hyaluronic acid derived disaccharides in equine synovial fluid. This method was applied to a larger research project dealing with a new form of intra-articular therapy in horses with arthritic diseases.
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Determination of Strong Acidic Drugs in Biological Matrices: A Review of Separation Methods. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/469562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Strong acidic drugs are a class of chemical compounds that normally have high hydrophilicity and large negative charges, such as organophosphatic compounds and organosulphonic compounds. This review focuses on sample preparation and separation methods for this group of compounds in biological matrices in recent years. A wide range of separation techniques, especially chromatographic method, are presented and critically discussed, which include liquid chromatography (e.g., ion-pair and ion-exchange chromatography), capillary electrophoresis (CE), and other types. Due to the extremely low concentration level of target analytes as well as the complexity of biological matrices, sample pretreatment methods, such as dilute and shoot methods, protein precipitation (PP), liquid-liquid extraction (LLE), solid-phase extraction (SPE), degradation, and derivatization strategy, also play important roles for the development of successful analytical methods and thus are also discussed.
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Osago H, Shibata T, Hara N, Kuwata S, Kono M, Uchio Y, Tsuchiya M. Quantitative analysis of glycosaminoglycans, chondroitin/dermatan sulfate, hyaluronic acid, heparan sulfate, and keratan sulfate by liquid chromatography-electrospray ionization-tandem mass spectrometry. Anal Biochem 2014; 467:62-74. [PMID: 25197028 DOI: 10.1016/j.ab.2014.08.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Revised: 07/29/2014] [Accepted: 08/05/2014] [Indexed: 12/28/2022]
Abstract
We developed a method using liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) with a selected reaction monitoring (SRM) mode for simultaneous quantitative analysis of glycosaminoglycans (GAGs). Using one-shot analysis with our MS/MS method, we demonstrated the simultaneous quantification of a total of 23 variously sulfated disaccharides of four GAG classes (8 chondroitin/dermatan sulfates, 1 hyaluronic acid, 12 heparan sulfates, and 2 keratan sulfates) with a sensitivity of less than 0.5 pmol within 20 min. We showed the differences in the composition of GAG classes and the sulfation patterns between porcine articular cartilage and yellow ligament. In addition to the internal disaccharides described above, some saccharides derived from the nonreducing terminal were detected simultaneously. The simultaneous quantification of both internal and nonreducing terminal saccharides could be useful to estimate the chain length of GAGs. This method would help to establish comprehensive "GAGomic" analysis of biological tissues.
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Affiliation(s)
- Harumi Osago
- Department of Biochemistry, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan.
| | - Tomoko Shibata
- Center for Integrated Research in Science, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
| | - Nobumasa Hara
- Department of Biochemistry, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
| | - Suguru Kuwata
- Department of Orthopaedic Surgery, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
| | - Michihaya Kono
- Department of Orthopaedic Surgery, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
| | - Yuji Uchio
- Department of Orthopaedic Surgery, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
| | - Mikako Tsuchiya
- Department of Biochemistry, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
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Capillary electrophoresis for total glycosaminoglycan analysis. Anal Bioanal Chem 2014; 406:4617-26. [PMID: 24817364 DOI: 10.1007/s00216-014-7859-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Revised: 04/18/2014] [Accepted: 04/24/2014] [Indexed: 01/30/2023]
Abstract
A capillary zone electrophoresis-laser-induced fluorescence detection (CZE-LIF) method was developed for the simultaneous analysis of disaccharides derived from heparan sulfate, chondroitin sulfate/dermatan sulfate, hyaluronan, and keratan sulfate. Glycosaminoglycans (GAGs) were first depolymerized with the mixture of GAG lyases (heparinase I, II, III and chondroitinase ABC and chondroitinase AC II) and GAG endohydrolase (keratinase II) and the resulting disaccharides were derivatized by reductive amination with 2-aminoacridone. Nineteen fluorescently labeled disaccharides were separated using 50 mM phosphate buffer (pH 3.3) under reversed polarity at 25 kV. Using these conditions, all the disaccharides examined were baseline separated in less then 25 min. This CZE-LIF method gave good reproducibility for both migration time (≤1.03% for intraday and ≤4.4% for interday) and the peak area values (≤5.6% for intra- and ≤8.69% for interday). This CZE-LIF method was used for profiling and quantification of GAG derivative disaccharides in bovine cornea. The results show that the current CZE-LIF method offers fast, simple, sensitive, reproducible determination of disaccharides derived from total GAGs in a single run.
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Oberkersch R, Maccari F, Bravo AI, Volpi N, Gazzaniga S, Calabrese GC. Atheroprotective remodelling of vascular dermatan sulphate proteoglycans in response to hypercholesterolaemia in a rat model. Int J Exp Pathol 2014; 95:181-90. [PMID: 24602133 DOI: 10.1111/iep.12072] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Accepted: 01/14/2014] [Indexed: 01/03/2023] Open
Abstract
Proteoglycan accumulation within the arterial intima has been implicated in atherosclerosis progression in humans. Nevertheless, hypercholesterolaemia is unable to induce intimal thickening and atheroma plaque development in rats. The study was performed to analyse proteoglycans modifications in rats fed with a high-cholesterol diet to understand whether vascular wall remodelling protects against lesions. Sections obtained from rat aortas showed normal features, in intimal-to-media ratio and lipid accumulation. However, focal endothelial hyperplasia and neo-intima rearrangement were observed in high-cholesterol animals. Besides, hypercholesterolaemia induced an inflammatory microenviroment. We determined the expression of different proteoglycans from aortic cells by Western blot and observed a diminished production of decorin and biglycan in high-cholesterol animals compared with control (P < 0.01 and P < 0.05, respectively). Versican was increased in high-cholesterol animals (P < 0.05), whereas perlecan production showed no differences. No modification of the total content of glycosaminoglycans (GAGs) was found between the two experimental groups. In contrast, the chondroitin sulphate/dermatan sulphate ratio was increased in the high-cholesterol group as compared to the control (0.56 and 0.34, respectively). Structural alterations in the disaccharide composition of galactosaminoglycans were also detected by HPLC, as the ratio of 6-sulphate to 4-sulphate disaccharides was increased in high-cholesterol animals (P < 0.05). Our results suggest that attenuation of decorin and biglycan expression might be an effective strategy to inhibit the first step in atherogenesis, although specific GAG structural modification associated with the development of vascular disease took place. Results emphasize the potential application of therapies based on vascular matrix remodelling to treat atherosclerosis.
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Affiliation(s)
- Roxana Oberkersch
- Cátedra de Biología Celular y Molecular, Departamento de Ciencias Biológicas, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín, Ciudad Autónoma de Buenos Aires, Argentina
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Volpi N, Galeotti F, Yang B, Linhardt RJ. Analysis of glycosaminoglycan-derived, precolumn, 2-aminoacridone–labeled disaccharides with LC-fluorescence and LC-MS detection. Nat Protoc 2014; 9:541-58. [DOI: 10.1038/nprot.2014.026] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Flangea C, Petrescu AJ, Seidler DG, Munteanu CVA, Zamfir AD. Identification of an unusually sulfated tetrasaccharide chondroitin/dermatan motif in mouse brain by combining chip-nanoelectrospray multistage MS2-MS4and high resolution MS. Electrophoresis 2013; 34:1581-92. [DOI: 10.1002/elps.201200704] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Revised: 01/31/2013] [Accepted: 02/04/2013] [Indexed: 01/06/2023]
Affiliation(s)
| | | | - Daniela G. Seidler
- Institute for Physiological Chemistry and Pathobiochemistry; University of Münster; Münster; Germany
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Galeotti F, Volpi N. Novel reverse-phase ion pair-high performance liquid chromatography separation of heparin, heparan sulfate and low molecular weight-heparins disaccharides and oligosaccharides. J Chromatogr A 2013; 1284:141-7. [DOI: 10.1016/j.chroma.2013.02.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Revised: 02/01/2013] [Accepted: 02/05/2013] [Indexed: 02/01/2023]
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Furukawa JI, Fujitani N, Shinohara Y. Recent advances in cellular glycomic analyses. Biomolecules 2013; 3:198-225. [PMID: 24970165 PMCID: PMC4030886 DOI: 10.3390/biom3010198] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2012] [Revised: 01/28/2013] [Accepted: 02/14/2013] [Indexed: 12/21/2022] Open
Abstract
A large variety of glycans is intricately located on the cell surface, and the overall profile (the glycome, given the entire repertoire of glycoconjugate-associated sugars in cells and tissues) is believed to be crucial for the diverse roles of glycans, which are mediated by specific interactions that control cell-cell adhesion, immune response, microbial pathogenesis and other cellular events. The glycomic profile also reflects cellular alterations, such as development, differentiation and cancerous change. A glycoconjugate-based approach would therefore be expected to streamline discovery of novel cellular biomarkers. Development of such an approach has proven challenging, due to the technical difficulties associated with the analysis of various types of cellular glycomes; however, recent progress in the development of analytical methodologies and strategies has begun to clarify the cellular glycomics of various classes of glycoconjugates. This review focuses on recent advances in the technical aspects of cellular glycomic analyses of major classes of glycoconjugates, including N- and O-linked glycans, derived from glycoproteins, proteoglycans and glycosphingolipids. Articles that unveil the glycomics of various biologically important cells, including embryonic and somatic stem cells, induced pluripotent stem (iPS) cells and cancer cells, are discussed.
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Affiliation(s)
- Jun-Ichi Furukawa
- Laboratory of Medical and Functional Glycomics, Graduate School of Advanced Life Science and Frontier Research Center for Post-Genome Science and Technology, Hokkaido University, Sapporo 001-0021, Japan
| | - Naoki Fujitani
- Laboratory of Medical and Functional Glycomics, Graduate School of Advanced Life Science and Frontier Research Center for Post-Genome Science and Technology, Hokkaido University, Sapporo 001-0021, Japan
| | - Yasuro Shinohara
- Laboratory of Medical and Functional Glycomics, Graduate School of Advanced Life Science and Frontier Research Center for Post-Genome Science and Technology, Hokkaido University, Sapporo 001-0021, Japan.
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Galeotti F, Coppa GV, Zampini L, Maccari F, Galeazzi T, Padella L, Santoro L, Gabrielli O, Volpi N. On-line high-performance liquid chromatography-fluorescence detection-electrospray ionization-mass spectrometry profiling of human milk oligosaccharides derivatized with 2-aminoacridone. Anal Biochem 2012; 430:97-104. [PMID: 22885238 DOI: 10.1016/j.ab.2012.07.027] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Revised: 07/24/2012] [Accepted: 07/30/2012] [Indexed: 11/18/2022]
Abstract
A high-resolution normal-phase high-performance liquid chromatography-fluorescence detection-electrospray ionization-mass spectrometry separation and structural characterization of the main oligosaccharides along with lactose from human milk samples is described. A total of 22 commercially available oligosaccharides were fluorotagged with 2-aminoacridone and separated on an amide column and identified on the basis of their retention times and mass spectra. Derivatized species having mass lower than approximately 800 to 900 exhibited mainly [M-H](-1) anions, oligomers with mass up to approximately 1000 to 1100 were represented by both [M-H](-1) and [M-2H](-2) anions, and oligomers greater than approximately 1200 to 1300 were characterized by a charge state of -3. Furthermore, the retention times were directly related to the glycans' molecular mass. Human milk samples from the four groups of donors (Se±/Le±) were analyzed for their composition and amount of free oligosaccharides after rapid and simple prepurification and derivatization steps also in the presence of lactose in high content. This analytical approach enabled us to perform the determination of species not detected by traditional techniques, such as sialic acid, as well as of species present in low content easily mistaken with other peaks. Finally, labeled human milk oligosaccharides were analyzed without any interference from excess fluorophore or interference from proteins, peptides, salts, and other impurities normally present in this complex biological fluid.
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Affiliation(s)
- Fabio Galeotti
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
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Yang B, Chang Y, Weyers AM, Sterner E, Linhardt RJ. Disaccharide analysis of glycosaminoglycan mixtures by ultra-high-performance liquid chromatography-mass spectrometry. J Chromatogr A 2012; 1225:91-8. [PMID: 22236563 PMCID: PMC3268819 DOI: 10.1016/j.chroma.2011.12.063] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Revised: 12/13/2011] [Accepted: 12/17/2011] [Indexed: 11/26/2022]
Abstract
Glycosaminoglycans are a family of polysaccharides widely distributed in all eukaryotic cells. These polyanionic, linear chain polysaccharides are composed of repeating disaccharide units that are often differentially substituted with sulfo groups. The diversity of glycosaminoglycan structures in cells, tissues and among different organisms reflect their functional an evolutionary importance. Glycosaminoglycan composition and structure also changes in development, aging and in disease progression, making their accurate and reliable analysis a critical, albeit, challenging endeavor. Quantitative disaccharide compositional analysis is one of the primary ways to characterize glycosaminoglycan composition and structure and has a direct relationship with glycosaminoglycan biological functions. In this study, glycosaminoglycan disaccharides, prepared from heparan sulfate/heparin, chondroitin sulfate/dermatan sulfate and neutral hyaluronic acid using multiple polysaccharide lyases, were fluorescently labeled with 2-aminoacridone, fractionated into 17 well-resolved components by reverse-phase ultra-performance liquid chromatography, and analyzed by electrospray ionization mass spectrometry. This analysis was successfully applied to cell, tissue, and biological fluid samples for the picomole level detection of glycosaminoglycan composition and structure.
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Affiliation(s)
- Bo Yang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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Flangea C, Sisu E, Seidler DG, Zamfir AD. Analysis of oversulfation in biglycan chondroitin/dermatan sulfate oligosaccharides by chip-based nanoelectrospray ionization multistage mass spectrometry. Anal Biochem 2012; 420:155-62. [DOI: 10.1016/j.ab.2011.08.052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Revised: 08/29/2011] [Accepted: 08/31/2011] [Indexed: 01/14/2023]
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44
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Cui Z, Hu X, Liu S, Liu Z. A dual-wavelength overlapping resonance Rayleigh scattering method for the determination of chondroitin sulfate with nile blue sulfate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 83:1-7. [PMID: 21945382 DOI: 10.1016/j.saa.2011.08.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Revised: 08/20/2011] [Accepted: 08/24/2011] [Indexed: 05/31/2023]
Abstract
A dual-wavelength overlapping resonance Rayleigh scattering (DWO-RRS) method was developed to detect chondroitin sulfate (CS) with nile blue sulfate (NBS). At pH 3.0-4.0 Britton-Robinson (BR) buffer medium, CS interacted with NBS to form an ion-association complex. As a result, the new spectra of resonance Rayleigh scattering (RRS), second order scattering (SOS) and frequence doubling scattering (FDS) appeared and their intensities were enhanced greatly. Their maximum wavelengths were located at 303 nm (RRS), 362 nm (RRS), 588 nm (SOS) and 350 nm (FDS), respectively. The scattering intensities of the three methods were proportional to the concentration of CS in certain ranges. The methods had high sensitivity and the detection limits were between 1.5 and 7.1 ng mL(-1). The DWO-RRS method had the highest sensitivity with the detection limit being 1.5 ng mL(-1). The characteristics of the spectra and optimal reaction conditions of RRS method were investigated. The effects of coexistent substances on the determination of CS were evaluated. Owing to the high sensitivity, RRS method had been applied to the determination of CS in eye drops with satisfactory results. The recovery range was between 99.4% and 104.6% and the relative standard deviation (RSD) was between 0.4% and 0.8%. In addition, the reasons for RRS enhancement were discussed and the shape of ion-association complex was characterized by atomic force microscopy (AFM).
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Affiliation(s)
- Zhiping Cui
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China
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45
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Zhang Y, Zhang P, Wang Z, Huang L. AN INNOVATIVE DERIVATIZATION METHOD FOR SIMULTANEOUS DETERMINATION OF URONIC ACIDS AND NEUTRAL AND AMINO SUGARS IN COEXISTING SAMPLES BY HPLC-ESI-MS/MS2. J LIQ CHROMATOGR R T 2011. [DOI: 10.1080/10826076.2011.579216] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Ying Zhang
- a Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University , Xi'an, China
| | - Ping Zhang
- b Chemistry and Chemical Engineering School , Xianyang Normal University , Xianyang, China
| | - Zhongfu Wang
- a Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University , Xi'an, China
| | - Linjuan Huang
- a Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Science, Northwest University , Xi'an, China
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Galeotti F, Volpi N. Online Reverse Phase-High-Performance Liquid Chromatography-Fluorescence Detection-Electrospray Ionization-Mass Spectrometry Separation and Characterization of Heparan Sulfate, Heparin, and Low-Molecular Weight-Heparin Disaccharides Derivatized with 2-Aminoacridone. Anal Chem 2011; 83:6770-7. [DOI: 10.1021/ac201426e] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fabio Galeotti
- Department of Biology, University of Modena and Reggio Emilia, Modena, Italy
| | - Nicola Volpi
- Department of Biology, University of Modena and Reggio Emilia, Modena, Italy
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Zamfir AD, Flangea C, Sisu E, Seidler DG, Peter-Katalinić J. Combining size-exclusion chromatography and fully automated chip-based nanoelectrospray quadrupole time-of-flight tandem mass spectrometry for structural analysis of chondroitin/dermatan sulfate in human decorin. Electrophoresis 2011; 32:1639-46. [PMID: 21647927 DOI: 10.1002/elps.201100094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 03/21/2011] [Accepted: 03/22/2011] [Indexed: 11/07/2022]
Abstract
Chondroitin/dermatan sulfate (CS/DS) chain of decorin (DCN) from human skin fibroblasts (HSk) was released by reductive β-elimination reaction and digested with chondroitin AC I lyase. Enzymatic hydrolysis mixture of CS/DS chains was separated by size-exclusion chromatography (SEC). Collected octasaccharide fraction was subjected to fully automated chip-based nanoelectrospray (nanoESI) quadrupole time-of-flight (QTOF) MS and tandem MS (MS/MS). MS of human skin fibroblasts DCN CS/DS displayed a high complexity due to the large variety of glycoforms, which under chip-nanoESI MS readily ionized to form multiply charged ions. Except for the regularly tetrasulfated octasaccharide, the investigated fraction contained four additional octasaccharides of atypical sulfation status. Two new oversulfated glycoforms and two undersulfated species were identified. Remarkably, the series of decasaccharides discovered in the same SEC pool was found to encompass a trisulfated and a novel hexasulfated [4,5-Δ-GlcAGalNAc(IdoAGalNAc)⁴] species. MS/MS by collision-induced dissociation (CID) on the [M-4H]⁴ ion corresponding to the previously not reported [4,5-Δ-GlcAGalNAc(IdoAGalNAc)₃](5S) corroborated for a novel motif in which three N-acetylgalactosamine (GalNAc) moieties are monosulfated, 4,5-Δ-GlcA and the first IdoA from the non-reducing end bear one sulfate group each, while the second N-acetylgalactosamine from the reducing end is unsulfated.
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Affiliation(s)
- Alina D Zamfir
- Department of Chemical and Biological Sciences, Aurel Vlaicu University of Arad, Arad, Romania.
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48
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Recent advances in the analysis of carbohydrates for biomedical use. J Pharm Biomed Anal 2011; 55:702-27. [DOI: 10.1016/j.jpba.2011.02.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Revised: 02/03/2011] [Accepted: 02/04/2011] [Indexed: 02/06/2023]
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49
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Toyoda H, Muraki F, Imanari T, Kinoshita-Toyoda A. Microdetermination of hyaluronan in human plasma by high-performance liquid chromatography with a graphitized carbon column and postcolumn fluorometric detection. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:950-4. [PMID: 21444252 DOI: 10.1016/j.jchromb.2011.03.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Revised: 03/01/2011] [Accepted: 03/03/2011] [Indexed: 11/18/2022]
Abstract
A chemical method for the determination of hyaluronan (hyaluronic acid, HA) has been developed and applied to the human blood plasma. Human blood plasma HA was converted to the ΔDi-HA by digestion with hyaluronidase SD and determined by a sensitive and selective high-performance liquid chromatography (HPLC). The HPLC includes the separation and detection of ΔDi-HA using a graphitized carbon column and fluorometric reaction with 2-cyanoacetamide in an alkaline eluent. The calibration graph for ΔDi-HA was linear over the range 0.2 ng-1 μg. It was revealed that the concentration of HA in normal human blood plasma is very low levels (about 24 ng/ml) in comparison to low-sulfated chondroitin 4-sulfate (about 13 μg/ml).
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Affiliation(s)
- Hidenao Toyoda
- Faculty of Pharmaceutical Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan.
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50
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Coppa GV, Buzzega D, Zampini L, Maccari F, Santoro L, Galeotti F, Galeazzi T, Gabrielli O, Volpi N. Plasmatic and Urinary Glycosaminoglycans Characterization in Mucopolysaccharidosis II Patient Treated with Enzyme-Replacement Therapy with Idursulfase. JIMD Rep 2011; 4:79-90. [DOI: 10.1007/8904_2011_75] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2011] [Revised: 06/21/2011] [Accepted: 06/27/2011] [Indexed: 10/15/2022] Open
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