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Das A, Khambhati DP, Longoria ND, Tabibi A, Davachi SM, Dimas K, Laurencin Y, Carmona L, Avalos PZ, Karimi Abdolmaleki M. Modified Diatomaceous Earth in Heparin Recovery from Porcine Intestinal Mucosa. Molecules 2023; 28:7982. [PMID: 38138471 PMCID: PMC10745834 DOI: 10.3390/molecules28247982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/22/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Heparin, a highly sulfated glycosaminoglycan, is a naturally occurring anticoagulant that plays a vital role in various physiological processes. The remarkable structural complexity of heparin, consisting of repeating disaccharide units, makes it a crucial molecule for the development of commercial drugs in the pharmaceutical industry. Over the past few decades, significant progress has been made in the development of cost-effective adsorbents specifically designed for the adsorption of heparin from porcine intestinal mucosa. This advancement has been driven by the need for efficient and scalable methods to extract heparin from natural sources. In this study, we investigated the use of cationic ammonium-functionalized diatomaceous earth, featuring enhanced porosity, larger surface area, and higher thermal stability, to maximize the isolated heparin recovery. Our results showed that the higher cationic density and less bulky quaternary modified diatomaceous earth (QDADE) could adsorb up to 16.3 mg·g-1 (31%) of heparin from the real mucosa samples. Additionally, we explored the conditions of the adsorbent surface for recovery of the heparin molecule and optimized various factors, such as temperature and pH, to optimize the heparin uptake. This is the introductory account of the implementation of modified diatomaceous earth with quaternary amines for heparin capture.
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Affiliation(s)
- Anushree Das
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA;
| | - Devang P. Khambhati
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA; (D.P.K.); (S.M.D.); (K.D.); (L.C.); (P.Z.A.)
| | - Niko D. Longoria
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, Corpus Christi, TX 78412, USA;
| | - Alireza Tabibi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran;
| | - Seyed Mohammad Davachi
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA; (D.P.K.); (S.M.D.); (K.D.); (L.C.); (P.Z.A.)
| | - Kayli Dimas
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA; (D.P.K.); (S.M.D.); (K.D.); (L.C.); (P.Z.A.)
| | - Yulianna Laurencin
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA; (D.P.K.); (S.M.D.); (K.D.); (L.C.); (P.Z.A.)
| | - Lesly Carmona
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA; (D.P.K.); (S.M.D.); (K.D.); (L.C.); (P.Z.A.)
| | - Pablo Zarate Avalos
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA; (D.P.K.); (S.M.D.); (K.D.); (L.C.); (P.Z.A.)
| | - Mahmood Karimi Abdolmaleki
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, Corpus Christi, TX 78412, USA;
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Liu Q, Shaukat A, Meng Z, Nummelin S, Tammelin T, Kontturi E, de Vries R, Kostiainen MA. Engineered Protein Copolymers for Heparin Neutralization and Detection. Biomacromolecules 2023; 24:1014-1021. [PMID: 36598935 PMCID: PMC9930113 DOI: 10.1021/acs.biomac.2c01464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Heparin is a widely applied anticoagulant agent. However, in clinical practice, it is of vital importance to reverse its anticoagulant effect to restore the blood-clotting cascade and circumvent side effects. Inspired by protein cages that can encapsulate and protect their cargo from surroundings, we utilize three designed protein copolymers to sequester heparin into inert nanoparticles. In our design, a silk-like sequence provides cooperativity between proteins, generating a multivalency effect that enhances the heparin-binding ability. Protein copolymers complex heparin into well-defined nanoparticles with diameters below 200 nm. We also develop a competitive fluorescent switch-on assay for heparin detection, with a detection limit of 0.01 IU mL-1 in plasma that is significantly below the therapeutic range (0.2-8 IU mL-1). Moreover, moderate cytocompatibility is demonstrated by in vitro cell studies. Therefore, such engineered protein copolymers present a promising alternative for neutralizing and sensing heparin, but further optimization is required for in vivo applications.
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Affiliation(s)
- Qing Liu
- Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, Aalto00076, Finland.,Wenzhou Institute, University of Chinese Academy of Sciences (WIUCAS), Wenzhou325001, China
| | - Ahmed Shaukat
- Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, Aalto00076, Finland
| | - Zhuojun Meng
- Wenzhou Institute, University of Chinese Academy of Sciences (WIUCAS), Wenzhou325001, China.,Materials Chemistry of Cellulose, Department of Bioproducts and Biosystems, Aalto University, Aalto00076, Finland
| | - Sami Nummelin
- Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, Aalto00076, Finland
| | - Tekla Tammelin
- VTT Technical Research Centre of Finland Ltd, VTT, P.O. Box 1000, EspooFI-02044, Finland
| | - Eero Kontturi
- Materials Chemistry of Cellulose, Department of Bioproducts and Biosystems, Aalto University, Aalto00076, Finland
| | - Renko de Vries
- Physical Chemistry and Soft Matter, Wageningen University and Research Centre, Wageningen6708 WE, The Netherlands
| | - Mauri A Kostiainen
- Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, Aalto00076, Finland
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Stolarek M, Pycior A, Bonarek P, Opydo M, Kolaczkowska E, Kamiński K, Mogielnicki A, Szczubiałka K. Biological Properties of Heparins Modified with an Arylazopyrazole-Based Photoswitch. J Med Chem 2023; 66:1778-1789. [PMID: 36657057 PMCID: PMC9923745 DOI: 10.1021/acs.jmedchem.2c01616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Unfractionated heparin (UFH) and enoxaparin (Enox) were substituted with a photoswitch (PS) showing quantitative trans-cis and cis-trans photoisomerizations. Long half-life of the cis photoisomer enabled comparison of the properties of heparins substituted with both PS photoisomers. Hydrodynamic diameter, Dh, of UFH-PS decreased upon trans-cis photoisomerization, the change being more pronounced for UFH-PS with a higher degree of substitution (DS), while Dh of Enox-PS did not significantly change. The anticoagulative properties of substituted heparins were significantly attenuated compared to non-substituted compounds. The interaction of UFH-PS with HSA, lysozyme, and protamine was studied with ITC. Under serum-free conditions, UFH-PS-trans with a high DS stimulated proliferation of murine fibroblasts, while UFH-PS-cis decreased the viability of these cells. Under serum conditions, both UFH-PS-cis and UFH-PS-trans decreased cell viability, the reduction for UFH-PS-cis being higher than that for UFH-PS-trans. Neither Enox-PS-trans nor Enox-PS-cis influenced the viability at concentrations prolonging aPTT, while at higher concentrations their cytotoxicity did not differ.
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Affiliation(s)
- Marta Stolarek
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Aleksandra Pycior
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Piotr Bonarek
- Faculty
of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Małgorzata Opydo
- Laboratory
of Experimental Hematology, Institute of Zoology and Biomedical Research,
Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland
| | - Elzbieta Kolaczkowska
- Laboratory
of Experimental Hematology, Institute of Zoology and Biomedical Research,
Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland
| | - Kamil Kamiński
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Andrzej Mogielnicki
- Department
of Pharmacodynamics, Medical University
of Bialystok, Mickiewicza 2c, 15-089 Bialystok, Poland
| | - Krzysztof Szczubiałka
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland,
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4
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Islam M, Argueta E, Wojcikiewicz EP, Du D. Effects of Charged Polyelectrolytes on Amyloid Fibril Formation of a Tau Fragment. ACS Chem Neurosci 2022; 13:3034-3043. [PMID: 36219395 PMCID: PMC10249396 DOI: 10.1021/acschemneuro.2c00374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The microtubule-associated protein tau is involved in more than 20 different neurological disorders characterized by aberrant intracellular aggregation of tau in the brain. Here, we investigated the aggregation of a novel 20-residue model peptide, tau298-317, which is derived from the key microtubule binding domain of the full sequence tau. Our results show that tau298-317 highly mimics the physical and aggregation properties of tau. Under normal physiological conditions, the peptide maintains a disordered random coil without aggregation. The presence of polyanionic heparin (Hep) significantly promotes the aggregation of this peptide to form amyloid fibrils. The Hep-induced aggregation is sensitive to the ionic strength of the solution and the introduction of the negatively charged phosphate group on a serine (Ser305) residue in the sequence, suggesting an important role of electrostatic interactions in the mechanism of Hep-mediated aggregation. In addition, two positively charged polysaccharides, chitosan (CHT) and its quaternary derivative N-trimethyl chitosan (TMC), were found to effectively inhibit Hep-induced aggregation of tau298-317 in a concentration-dependent manner. Attractive electrostatic interactions between the positively charged moieties in CHT/TMC and the negatively charged residues of Hep play a critical role in inhibiting Hep-peptide interactions and suppressing peptide aggregation. Our results suggest that positively charged polyelectrolytes with optimized charged groups and charge distribution patterns can serve as effective molecular candidates to block tau-Hep interactions and prevent aggregation of tau induced by Hep and other polyanions.
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Affiliation(s)
- Majedul Islam
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Emily Argueta
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Ewa P. Wojcikiewicz
- Department of Biomedical Science, Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Deguo Du
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL 33431, USA
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5
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Chen M, Zhai X, Pan Y, Tan H. Covalent and environment-responsive biopolymer hydrogel for drug delivery and wound healing. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2021. [DOI: 10.1080/10601325.2021.1929316] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mengying Chen
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Xinyue Zhai
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Yajing Pan
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Huaping Tan
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
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Recent Advances in the Synthesis, Properties, and Applications of Modified Chitosan Derivatives: Challenges and Opportunities. Top Curr Chem (Cham) 2021; 379:19. [DOI: 10.1007/s41061-021-00331-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 03/16/2021] [Indexed: 02/06/2023]
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7
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Karam TK, Ortega S, Ueda Nakamura T, Auzély-Velty R, Nakamura CV. Development of chitosan nanocapsules containing essential oil of Matricaria chamomilla L. for the treatment of cutaneous leishmaniasis. Int J Biol Macromol 2020; 162:199-208. [PMID: 32565304 DOI: 10.1016/j.ijbiomac.2020.06.149] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 05/29/2020] [Accepted: 06/17/2020] [Indexed: 12/17/2022]
Abstract
Matricaria chamomilla L. has been used for centuries in many applications, including antiparasitic activity. Leishmaniasis is a parasitic disease, with limited treatments, due to high cost and toxicity. Thus, there is a need to develop new treatments, and in this context, natural products are targets of these researches. We report the development of chitosan nanocapsules containing essential oil of M. chamomilla (CEO) from oil-in-water emulsions using chitosan modified with tetradecyl chains as biocompatible shell material. The nanocapsules of CEO (NCEO) were analyzed by optical microscopy and dynamic light scattering, which revealed spherical shape and an average size of 800 nm. Successful encapsulation of CEO was further confirmed by fluorescence microscopy observations taking advantage of the autofluorescence properties of CEO. The encapsulation efficiency was around 90%. The entrapment of CEO reduced its cytotoxicity towards normal cells. On the other hand, the CEO was active against promastigotes and intracellular amastigotes, exhibiting IC50 of 3.33 μg/mL and 14.56 μg/mL, respectively, while NCEO showed IC50 for promastigotes of 7.18 μg/mL and for intracellular amastigotes of 14.29 μg/mL. These results demonstrate that encapsulation of CEO in nanocapsules using an alkylated chitosan biosurfactant as a "green" stabilizer is a promising therapeutic strategy to treat leishmaniasis.
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Affiliation(s)
- Thaysa Ksiaskiewcz Karam
- State University of Maringá, Laboratory of Microbiology Applied to Natural and Synthetic Products, Department of Pharmaceutical Sciences, Maringá, Brazil
| | - Sonia Ortega
- University Grenoble Alpes, Centre de Recherche de Macromolecules Végetales, CERMAV - CNRS, Grenoble, France
| | - Tania Ueda Nakamura
- State University of Maringá, Laboratory of Microbiology Applied to Natural and Synthetic Products, Department of Pharmaceutical Sciences, Maringá, Brazil
| | - Rachel Auzély-Velty
- University Grenoble Alpes, Centre de Recherche de Macromolecules Végetales, CERMAV - CNRS, Grenoble, France.
| | - Celso Vataru Nakamura
- State University of Maringá, Laboratory of Microbiology Applied to Natural and Synthetic Products, Department of Pharmaceutical Sciences, Maringá, Brazil.
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8
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Hsu FM, Hu MH, Jiang YS, Lin BY, Hu JJ, Jan JS. Antibacterial polypeptide/heparin composite hydrogels carrying growth factor for wound healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110923. [PMID: 32409073 DOI: 10.1016/j.msec.2020.110923] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 11/15/2022]
Abstract
We report an efficient growth factor delivering system based on polypeptide/heparin composite hydrogels for wound healing application. Linear and star-shaped poly(l-lysine) (l-PLL and s-PLL) were chosen due to not only their cationic characteristics, facilitating the efficient complexation of negatively charged heparin, but also the ease to tune the physical and mechanical properties of as-prepared hydrogels simply by varying polypeptide topology and chain length. The results showed that polymer topology can be an additional parameter to tune hydrogel properties. Our experimental data showed that these composite hydrogels exhibited low hemolytic activity and good cell compatibility as well as excellent antibacterial activity, making them ideal as wound dressing materials. Unlike other heparin-based hydrogels, these composite hydrogels with heparin densely deposited on the surface can increase the stabilization and concentration of growth factor, which can facilitate the healing process as confirmed by our in vivo animal model. We believe that these PLL/heparin composite hydrogels are promising wound dressing materials and may have potential applications in other biomedical fields.
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Affiliation(s)
- Fang-Ming Hsu
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
| | - Ming-Hsien Hu
- Bachelor Program for Design and Materials for Medical Equipment and Devices, Da-Yeh University, Changhua, Taiwan; Orthopedic Department, Showchwan Memorial Hospital, Changhua, Taiwan
| | - Yi-Sheng Jiang
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
| | - Bi-Yun Lin
- Instrument Center of National Cheng Kung University, Tainan 70101, Taiwan
| | - Jin-Jia Hu
- Department of Mechanical Engineering, National Chiao Tung University, Hsinchu, Taiwan.
| | - Jeng-Shiung Jan
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
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9
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He T, Wang W, Chen B, Wang J, Liang Q, Chen B. 5-Fluorouracil monodispersed chitosan microspheres: Microfluidic chip fabrication with crosslinking, characterization, drug release and anticancer activity. Carbohydr Polym 2020; 236:116094. [PMID: 32172896 DOI: 10.1016/j.carbpol.2020.116094] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 02/25/2020] [Accepted: 02/28/2020] [Indexed: 02/06/2023]
Abstract
Different size and morphology monodispersed chitosan (CS) microspheres loaded with the anticancer drug of 5-fluorouracil (5-Fu) were prepared by the microfluidic method assisted by a crosslinking unit with crosslinkers of tripolyphosphate (TPP) and glutaraldehyde (GTA). The sizes, morphologies, drug loading, encapsulation efficiency, drug release and cytotoxicity of 5-Fu loaded CS microspheres were characterized and determined. Results indicated that the CS microspheres were uniform in size distributions. They possessed excellent encapsulation efficiency and drug loading. The TPP-crosslinked CS microspheres had rough surfaces and exhibited faster drug release, whereas the CS microspheres crosslinked with GTA had smooth surfaces and showed slower drug release. Furthermore, 5-Fu-loaded CS microspheres exhibited sustained drug release which well fitted the first-order kinetics model and were pH-responsive in that the drug cumulative release was greater at acidic environments than at neutral conditions. Finally, 5-Fu loaded CS microspheres provided sufficient cytotoxicity and were satisfactory in the cancer cell inhibition.
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Affiliation(s)
- Tianxi He
- Chongqing Chemical Industry Vocational College, Chongqing 401228, China; Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Wenbin Wang
- Chongqing Chemical Industry Vocational College, Chongqing 401228, China
| | - Benshou Chen
- Chongqing Chemical Industry Vocational College, Chongqing 401228, China
| | - Jiu Wang
- Chongqing Chemical Industry Vocational College, Chongqing 401228, China
| | - Qionglin Liang
- Department of Chemistry, Tsinghua University, Beijing 100084, China.
| | - Boshui Chen
- Chongqing Chemical Industry Vocational College, Chongqing 401228, China.
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Eskandarloo H, Enayati M, Abdolmaleki MK, Arshadi M, Abbaspourrad A. Selective Electrochemical Capture and Release of Heparin Based on Amine-Functionalized Carbon/Titanium Dioxide Nanotube Arrays. ACS APPLIED BIO MATERIALS 2019; 2:2685-2697. [PMID: 35030723 DOI: 10.1021/acsabm.9b00400] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Heparin (HEP) is a sulfated glycosaminoglycan that is a clinical anticoagulant agent. Commercially derived from porcine intestinal mucosa, HEP is challenging to separate from this complex biological mixture for additional purification. This study aimed to raise the purity of isolated HEP using electrochemical potential to increase its selective capture and release. We demonstrate an electrochemical platform featuring an anode composed of amine-functionalized carbon/titanium dioxide nanotube arrays on titanium foil (Ti/C-TNTAs-NH2) and a cathode made of expanded graphite. Our results show that Ti and Ti/C-TNTAs control plates do not adsorb HEP, even while applying an external potential to the cell. However, when the Ti/C-TNTAs electrode is modified by 3 aminopropyltriethoxysilane, the terminal NH2 groups provide a high density of positive charges that serve as binding sites, enabling the adsorption of HEP. This attraction is further strengthened by applying an external potential to the anode. Subsequent release of the HEP molecules and regeneration of the Ti/C-TNTAs-NH2 electrode are easily accomplished by applying an anodic potential to the plate, as well as by increasing the concentration of NaCl in solution. This electrochemical system demonstrates the good selectivity of HEP, even within a mixture of other probable interfering species (e.g., bovine serum albumin and chondroitin sulfate). Additionally, it maintains 90.11% of its initial electrosorption efficiency after ten repeated HEP adsorption/desorption cycles, indicating this system's promising stability and reusability for HEP purification.
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Affiliation(s)
- Hamed Eskandarloo
- Department of Food Science, College of Agriculture & Life Sciences, Cornell University, 243 Stocking Hall, Ithaca, New York 14853, United States
| | - Mojtaba Enayati
- Department of Food Science, College of Agriculture & Life Sciences, Cornell University, 243 Stocking Hall, Ithaca, New York 14853, United States
| | - Mahmood Karimi Abdolmaleki
- Department of Food Science, College of Agriculture & Life Sciences, Cornell University, 243 Stocking Hall, Ithaca, New York 14853, United States
| | - Mohammad Arshadi
- Department of Food Science, College of Agriculture & Life Sciences, Cornell University, 243 Stocking Hall, Ithaca, New York 14853, United States
| | - Alireza Abbaspourrad
- Department of Food Science, College of Agriculture & Life Sciences, Cornell University, 243 Stocking Hall, Ithaca, New York 14853, United States
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Jarosz M, Grudzień J, Kamiński K, Gawlak K, Wolski K, Nowakowska M, Sulka GD. Novel bioelectrodes based on polysaccharide modified gold surfaces and electrochemically active Lactobacillus rhamnosus GG biofilms. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.11.154] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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12
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Chitosan-Based Hydrogels: Preparation, Properties, and Applications. POLYMERS AND POLYMERIC COMPOSITES: A REFERENCE SERIES 2019. [DOI: 10.1007/978-3-319-77830-3_55] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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13
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Mittal H, Ray SS, Kaith BS, Bhatia JK, Sukriti, Sharma J, Alhassan SM. Recent progress in the structural modification of chitosan for applications in diversified biomedical fields. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.10.013] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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14
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Altomare L, Bonetti L, Campiglio CE, De Nardo L, Draghi L, Tana F, Farè S. Biopolymer-based strategies in the design of smart medical devices and artificial organs. Int J Artif Organs 2018; 41:337-359. [PMID: 29614899 PMCID: PMC6159845 DOI: 10.1177/0391398818765323] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 02/26/2018] [Indexed: 12/31/2022]
Abstract
Advances in regenerative medicine and in modern biomedical therapies are fast evolving and set goals causing an upheaval in the field of materials science. This review discusses recent developments involving the use of biopolymers as smart materials, in terms of material properties and stimulus-responsive behavior, in the presence of environmental physico-chemical changes. An overview on the transformations that can be triggered in natural-based polymeric systems (sol-gel transition, polymer relaxation, cross-linking, and swelling) is presented, with specific focus on the benefits these materials can provide in biomedical applications.
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Affiliation(s)
- Lina Altomare
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
| | - Lorenzo Bonetti
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
| | - Chiara E Campiglio
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
| | - Luigi De Nardo
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
| | - Lorenza Draghi
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
| | - Francesca Tana
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
| | - Silvia Farè
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milano, Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Firenze, Italy
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15
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Tu YL, Wang CC, Chen CY. Preparation of shell crosslinked nanoencapsulate for drug carriers by using poly(N-isopropyl acrylamide)-co-poly(L-lysine) grafted copolymer. JOURNAL OF POLYMER RESEARCH 2018. [DOI: 10.1007/s10965-018-1527-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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16
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Yuan S, Zhang P, Yang Z, Lv L, Tang S, Liang B. Successive grafting of poly(hydroxyethyl methacrylate) brushes and melamine onto chitosan microspheres for effective Cu(II) uptake. Int J Biol Macromol 2018; 109:287-302. [DOI: 10.1016/j.ijbiomac.2017.12.063] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 11/28/2017] [Accepted: 12/10/2017] [Indexed: 11/29/2022]
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17
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Yu M, Zhao Y, Zhang X. Gardenoside combined with ozone inhibits the expression of P2X3 and P2X7 purine receptors in rats with sciatic nerve injury. Mol Med Rep 2018; 17:7980-7986. [PMID: 29620177 DOI: 10.3892/mmr.2018.8803] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 09/01/2017] [Indexed: 11/06/2022] Open
Abstract
Neuropathic pain is a severe health problem for which there is a lack of effective therapy. Ozone and Gardenia fruits have been used separately in pain relief for many years; however, their underlying mechanisms remain unclear. To investigate the pain‑relieving effects of combined ozone and Gardenia, a chronic constriction sciatic nerve injury (CCI) rat model was constructed and treated with ozone and gardenoside (Ozo&Gar), which is a compound found in Gardenia fruits. A total of 70 rats were randomly divided into five groups: Control (Ctrl), Ctrl + Ozo&Gar, Sham, CCI, and CCI + Ozo&Gar. The rats in the Ctrl + Ozo&Gar and CCI + Ozo&Gar groups were administered an intravenous injection of 30 µg/ml ozone and 300 µmol/l gardenoside. The rats in the Ctrl, Sham and CCI groups were administered the same volume of saline. Pain behavior, mechanical hyperalgesia, thermal hyperalgesia, and the protein expression levels of P2X3 and P2X7 purine receptors in L4‑L5 dorsal root ganglion (DRG) were determined 15 days post‑surgery. The results demonstrated that treatment with a combination of ozone and gardenoside increased mechanical withdrawal threshold and thermal withdrawal latency, thus confirming their pain‑relieving effects. In addition, a significant increase in the mRNA and protein expression levels of P2X3 and P2X7 was detected in the DRG of rats in the CCI group compared with in the control groups; however, following treatment with a combination of ozone and gardenoside, the mRNA and protein expression levels of P2X3 and P2X7 receptors were significantly reduced compared with in the CCI group. These results indicated that the mechanism underlying the pain‑relieving effects of ozone and gardenoside may be mediated by inhibition of P2X3 and P2X7 purine receptors in the DRG. This finding suggested that ozone and gardenoside may be considered potential drug candidates that target P2X3 and P2X7 purine receptors.
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Affiliation(s)
- Mingdong Yu
- Department of Spine Surgery II, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Yong Zhao
- Department of Neurology, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Xiaoxia Zhang
- Department of Spine Surgery II, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
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18
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Pachota M, Klysik K, Synowiec A, Ciejka J, Szczubiałka K, Pyrć K, Nowakowska M. Inhibition of Herpes Simplex Viruses by Cationic Dextran Derivatives. J Med Chem 2017; 60:8620-8630. [DOI: 10.1021/acs.jmedchem.7b01189] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Magdalena Pachota
- Microbiology
Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
- Malopolska
Centre of Biotechnology, Jagiellonian University, Gronostajowa 7A, 30-387 Krakow, Poland
| | - Katarzyna Klysik
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Aleksandra Synowiec
- Microbiology
Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Justyna Ciejka
- Malopolska
Centre of Biotechnology, Jagiellonian University, Gronostajowa 7A, 30-387 Krakow, Poland
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Krzysztof Szczubiałka
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Krzysztof Pyrć
- Microbiology
Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
- Malopolska
Centre of Biotechnology, Jagiellonian University, Gronostajowa 7A, 30-387 Krakow, Poland
| | - Maria Nowakowska
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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19
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Sriram K, Maheswari PU, Ezhilarasu A, Begum KMMS, Arthanareeswaran G. CuO-loaded hydrophobically modified chitosan as hybrid carrier for curcumin delivery and anticancer activity. ASIA-PAC J CHEM ENG 2017. [DOI: 10.1002/apj.2124] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Kamaraj Sriram
- Department of Chemical Engineering; National Institute of Technology; Tiruchirappalli 620 015 Tamilnadu India
| | - Palanisamy Uma Maheswari
- Department of Chemistry; National Institute of Technology; Tiruchirappalli 620 015 Tamilnadu India
| | - Arasagounder Ezhilarasu
- Department of Microbiology; Selvam Arts and Science College; Namakkal 637003 Tamil Nadu India
| | | | - Gangasalam Arthanareeswaran
- Department of Chemical Engineering; National Institute of Technology; Tiruchirappalli 620 015 Tamilnadu India
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20
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Ciejka J, Wolski K, Nowakowska M, Pyrc K, Szczubiałka K. Biopolymeric nano/microspheres for selective and reversible adsorption of coronaviruses. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:735-742. [PMID: 28482585 PMCID: PMC7126271 DOI: 10.1016/j.msec.2017.03.047] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 02/09/2017] [Accepted: 03/04/2017] [Indexed: 11/18/2022]
Abstract
A novel biopolymeric material in the form of nano/microspheres was developed which was capable of adsorbing coronaviruses. The biopolymer was obtained by crosslinking of chitosan (CHIT) with genipin, a nontoxic compound of plant origin, in inverted emulsion and reacting the chitosan nano/microspheres obtained (CHIT-NS/MS) with glycidyltrimethyl-ammonium chloride (GTMAC). As a result the nano/microspheres of N-(2-hydroxypropyl)-3-trimethyl chitosan (HTCC-NS/MS) were obtained. HTCC-NS/MS were studied as the adsorbents of human coronavirus NL63 (HCoV-NL63), mouse hepatitis virus (MHV), and human coronavirus HCoV-OC43 particles in aqueous virus suspensions. By studying cytopathic effect (CPE) caused by these viruses and performing PCR analyses it was found HTCC-NS/MS strongly adsorb the particles of HCoV-NL63 virus, moderately adsorb mouse hepatitis virus (MHV) particles, but do not adsorb HCoV-OC43 coronavirus. The adsorption capacity of HTCC-NS/MS well correlated with the antiviral activity of soluble HTCC against a given virus. Importantly, it was shown that HCoV-NL63 particles could be desorbed from the HTCC-NS/MS surface with a salt solution of high ionic strength with retention of virus virulence. The obtained material may be applied for the removal of coronaviruses, purification and concentration of virus samples obtained from biological matrices and for purification of water from pathogenic coronaviruses.
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Affiliation(s)
- Justyna Ciejka
- Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Karol Wolski
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Krzysztof Pyrc
- Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.
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21
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Heterocycles of Natural Origin as Non-Toxic Reagents for Cross-Linking of Proteins and Polysaccharides. Chem Heterocycl Compd (N Y) 2017. [DOI: 10.1007/s10593-017-2016-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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22
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Abstract
This review summarizes pH-responsive monomers, polymers and their derivative nano- and micro-structures including micelles, cross-linked micelles, microgels and hydrogels.
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Affiliation(s)
- G. Kocak
- Department of Chemistry
- Faculty of Arts and Science
- Eskisehir Osmangazi University
- Eskisehir
- Turkey
| | - C. Tuncer
- Department of Chemistry
- Faculty of Arts and Science
- Eskisehir Osmangazi University
- Eskisehir
- Turkey
| | - V. Bütün
- Department of Chemistry
- Faculty of Arts and Science
- Eskisehir Osmangazi University
- Eskisehir
- Turkey
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Riederer MS, Requist BD, Payne KA, Way JD, Krebs MD. Injectable and microporous scaffold of densely-packed, growth factor-encapsulating chitosan microgels. Carbohydr Polym 2016; 152:792-801. [PMID: 27516331 PMCID: PMC4988396 DOI: 10.1016/j.carbpol.2016.07.052] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 07/12/2016] [Accepted: 07/14/2016] [Indexed: 12/20/2022]
Abstract
In this work, an emulsion crosslinking method was developed to produce chitosan-genipin microgels which acted as an injectable and microporous scaffold. Chitosan was characterized with respect to pH by light scattering and aqueous titration. Microgels were characterized with swelling, light scattering, and rheometry of densely-packed microgel solutions. The results suggest that as chitosan becomes increasingly deprotonated above the pKa, repulsive forces diminish and intermolecular attractions cause pH-responsive chain aggregation; leading to microgel-microgel aggregation as well. The microgels with the most chitosan and least cross-linker showed the highest yield stress and a storage modulus of 16kPa when condensed as a microgel paste at pH 7.4. Two oppositely-charged growth factors could be encapsulated into the microgels and endothelial cells were able to proliferate into the 3D microgel scaffold. This work motivates further research on the applications of the chitosan microgel scaffold as an injectable and microporous scaffold in regenerative medicine.
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Affiliation(s)
- Michael S Riederer
- Department of Chemical & Biological Engineering, Colorado School of Mines, 1613 Illinois Street, Golden, CO 80401, United States.
| | - Brennan D Requist
- Department of Chemical & Biological Engineering, Colorado School of Mines, 1613 Illinois Street, Golden, CO 80401, United States.
| | - Karin A Payne
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, 12800 E. 19th Avenue, Aurora, CO 80045, United States.
| | - J Douglas Way
- Department of Chemical & Biological Engineering, Colorado School of Mines, 1613 Illinois Street, Golden, CO 80401, United States.
| | - Melissa D Krebs
- Department of Chemical & Biological Engineering, Colorado School of Mines, 1613 Illinois Street, Golden, CO 80401, United States.
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Kalaska B, Kaminski K, Miklosz J, Yusa SI, Sokolowska E, Blazejczyk A, Wietrzyk J, Kasacka I, Szczubialka K, Pawlak D, Nowakowska M, Mogielnicki A. Heparin-binding copolymer reverses effects of unfractionated heparin, enoxaparin, and fondaparinux in rats and mice. Transl Res 2016; 177:98-112.e10. [PMID: 27456749 DOI: 10.1016/j.trsl.2016.06.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 06/23/2016] [Accepted: 06/28/2016] [Indexed: 11/19/2022]
Abstract
The parenteral anticoagulants may cause uncontrolled and life-threatening bleeding. Protamine, the only registered heparin antidote, is partially effective against low-molecular weight heparins, completely ineffective against fondaparinux and may cause unacceptable toxicity. Therefore, we aimed to develop a synthetic compound for safe and efficient neutralization of all parenteral anticoagulants. We synthesized pegylated PMAPTAC block copolymers, and then, we selected a lead heparin-binding copolymer (HBC). We assessed the effectiveness of HBC in the model of arterial thrombosis electrically induced in the carotid artery of rats by measuring thrombus weight, bleeding time, activated partial thromboplastin time, activated clotting time, and anti-factor Xa activity. The intravital tissue distribution, the cardiorespiratory, and organ toxicity were monitored. HBC diminished antithrombotic and anticoagulant effects of unfractionated heparin. Moreover, it stopped bleeding and completely reversed the enhancement of clotting times and anti-factor Xa activity caused by enoxaparin or fondaparinux. We observed slight pulmonary congestion and cell infiltration, but the cardiorespiratory parameters remained unchanged. We found a strong signal of fluorescently-labeled HBC in the urine, and a weaker in the liver and in the kidney. No signs of hepatic or nephrotoxicity were observed in the blood biochemistry or histopathologic examination. We developed a copolymer efficiently neutralizing effects of heparins in the living organism, which shows a very promising efficacy/safety profile and may help in the management of uncontrolled bleeding resulting from an anticoagulant injection. HBC could enable the safe replacement of unfractionated heparin with low-molecular weight heparins in patients undergoing cardiac surgery and complex vascular procedures.
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Affiliation(s)
- Bartlomiej Kalaska
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | - Kamil Kaminski
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Joanna Miklosz
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | - Shin-Ichi Yusa
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, Himeji, Hyogo, Japan
| | - Emilia Sokolowska
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | - Agnieszka Blazejczyk
- Department of Experimental Oncology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Joanna Wietrzyk
- Department of Experimental Oncology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Irena Kasacka
- Department of Histology and Cytophysiology, Medical University of Bialystok, Bialystok, Poland
| | | | - Dariusz Pawlak
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | | | - Andrzej Mogielnicki
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland.
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25
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Butko A, Bonat Celli G, Paulson A, Ghanem A. Entrapment of basic fibroblast growth factor (bFGF) in a succinylated chitosan nanoparticle delivery system and release profile. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:1045-57. [DOI: 10.1080/09205063.2016.1178519] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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26
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Sokolowska E, Kalaska B, Kaminski K, Lewandowska A, Blazejczyk A, Wietrzyk J, Kasacka I, Szczubialka K, Pawlak D, Nowakowska M, Mogielnicki A. The Toxicokinetic Profile of Dex40-GTMAC3-a Novel Polysaccharide Candidate for Reversal of Unfractionated Heparin. Front Pharmacol 2016; 7:60. [PMID: 27014072 PMCID: PMC4794501 DOI: 10.3389/fphar.2016.00060] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Accepted: 03/01/2016] [Indexed: 01/15/2023] Open
Abstract
Though protamine sulfate is the only approved antidote of unfractionated heparin (UFH), yet may produce life threatening side effects such as systemic hypotension, catastrophic pulmonary vasoconstriction or allergic reactions. We have described 40 kDa dextrans (Dex40) substituted with glycidyltrimethylammonium chloride (GTMAC) as effective, immunogenically and hemodynamically neutral inhibitors of UFH. The aim of the present study was to evaluate in mice and rats toxicokinetic profile of the most promising polymer—Dex40-GTMAC3. Polymer was rapidly eliminated with a half-time of 12.5 ± 3.0 min in Wistar rats, and was mainly distributed to the kidneys and liver in mice. The safety studies included the measurement of blood count and blood biochemistry, erythrocyte osmotic fragility and the evaluation of the histological alterations in kidneys, liver and lungs of mice and rats in acute and chronic experiments. We found that Dex40-GTMAC3 is not only effective but also very well tolerated. Additionally, we found that protamine may cause overt hemolysis with appearance of permanent changes in the liver and kidneys. In summary, fast renal clearance behavior and generally low tissue accumulation of Dex40-GTMAC3 is likely to contribute to its superior to protamine biocompatibility. Intravenous administration of therapeutic doses to living animals does not result in the immunogenic, hemodynamic, blood, and organ toxicity. Dex40-GTMAC3 seems to be a promising effective and safe candidate for further clinical development as new UFH reversal agent.
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Affiliation(s)
- Emilia Sokolowska
- Department of Pharmacodynamics, Medical University of Bialystok Bialystok, Poland
| | - Bartlomiej Kalaska
- Department of Pharmacodynamics, Medical University of Bialystok Bialystok, Poland
| | - Kamil Kaminski
- Faculty of Chemistry, Jagiellonian University Krakow, Poland
| | - Alicja Lewandowska
- Department of Histology and Cytophysiology, Medical University of Bialystok Bialystok, Poland
| | - Agnieszka Blazejczyk
- Department of Experimental Oncology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences Wroclaw, Poland
| | - Joanna Wietrzyk
- Department of Experimental Oncology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences Wroclaw, Poland
| | - Irena Kasacka
- Department of Histology and Cytophysiology, Medical University of Bialystok Bialystok, Poland
| | | | - Dariusz Pawlak
- Department of Pharmacodynamics, Medical University of Bialystok Bialystok, Poland
| | | | - Andrzej Mogielnicki
- Department of Pharmacodynamics, Medical University of Bialystok Bialystok, Poland
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27
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Delmar K, Bianco-Peled H. Composite chitosan hydrogels for extended release of hydrophobic drugs. Carbohydr Polym 2016; 136:570-80. [DOI: 10.1016/j.carbpol.2015.09.072] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 09/21/2015] [Accepted: 09/23/2015] [Indexed: 12/01/2022]
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28
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Park JH, Yoon J, Lee KY, Park B. RETRACTED: Effects of geniposide on hepatocytes undergoing epithelial-mesenchymal transition in hepatic fibrosis by targeting TGFβ/Smad and ERK-MAPK signaling pathways. Biochimie 2015; 113:26-34. [PMID: 25818617 DOI: 10.1016/j.biochi.2015.03.015] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 03/17/2015] [Indexed: 01/11/2023]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Editor-in-Chief. The corresponding author, Dr Byoungduck Park, requested publication of a corrigendum to correct figure 2B which reused control data from a different publication (doi: 10.1016/j.intimp.2015.02.014). Upon further inspection, the Biochimie editorial team noticed that: Comparison of Fig 2B with Fig 4C of a previous publication in International Immunopharmacology by two co-authors (doi: 10.1016/j.intimp.2015.02.014) reveals that western blot β-actin control data from the earlier paper were re-used in a different experiment shown in Figure 2B of the article in Biochimie, after adjustment of the brightness/contrast. Furthermore, the same bands, after more image manipulation were presented as Smad3 data in Figure 4C of the Biochimie article. Here the image manipulation involved notably the rotation of the set of bands by 180° and some adjustment of the height/width ratio. The authors apologise for any confusion that may have arisen from their article.
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Affiliation(s)
- Ji-Hyun Park
- College of Pharmacy, Keimyung University, Daegu 704-701, Republic of Korea
| | - Jaewoo Yoon
- College of Pharmacy, Keimyung University, Daegu 704-701, Republic of Korea
| | - Ki Yong Lee
- College of Pharmacy, Korea University, Sejong 339-700, Republic of Korea.
| | - Byoungduck Park
- College of Pharmacy, Keimyung University, Daegu 704-701, Republic of Korea.
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29
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Kalaska B, Kaminski K, Sokolowska E, Czaplicki D, Kujdowicz M, Stalinska K, Bereta J, Szczubialka K, Pawlak D, Nowakowska M, Mogielnicki A. Nonclinical evaluation of novel cationically modified polysaccharide antidotes for unfractionated heparin. PLoS One 2015; 10:e0119486. [PMID: 25781030 PMCID: PMC4362941 DOI: 10.1371/journal.pone.0119486] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Accepted: 01/13/2015] [Indexed: 01/25/2023] Open
Abstract
Protamine, the only registered antidote of unfractionated heparin (UFH), may produce a number of adverse effects, such as anaphylactic shock or serious hypotension. We aimed to develop an alternative UFH antidote as efficient as protamine, but safer and easier to produce. As a starting material, we have chosen generally non-toxic, biocompatible, widely available, inexpensive, and easy to functionalize polysaccharides. Our approach was to synthesize, purify and characterize cationic derivatives of dextran, hydroxypropylcellulose, pullulan and γ-cyclodextrin, then to screen them for potential heparin-reversal activity using an in vitro assay and finally examine efficacy and safety of the most active polymers in Wistar rat and BALB/c mouse models of experimentally induced arterial and venous thrombosis. Efficacy studies included the measurement of thrombus formation, activated partial thromboplastin time, bleeding time, and anti-factor Xa activity; safety studies included the measurement of hemodynamic, hematologic and immunologic parameters. Linear, high molecular weight dextran substituted with glycidyltrimethylammonium chloride groups at a ratio of 0.65 per glucose unit (Dex40-GTMAC3) is the most potent and the safest UFH inhibitor showing activity comparable to that of protamine while possessing lower immunogenicity. Cationic polysaccharides of various structures neutralize UFH. Dex40-GTMAC3 is a promising and potentially better UFH antidote than protamine.
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Affiliation(s)
- Bartlomiej Kalaska
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | - Kamil Kaminski
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Emilia Sokolowska
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | - Dominik Czaplicki
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | | | - Krystyna Stalinska
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Joanna Bereta
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | | | - Dariusz Pawlak
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
| | | | - Andrzej Mogielnicki
- Department of Pharmacodynamics, Medical University of Bialystok, Bialystok, Poland
- * E-mail:
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30
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Turn-on fluorescence sensor for the detection of heparin based on rhodamine B-modified polyethyleneimine–graphene oxide complex. Biosens Bioelectron 2015; 64:300-5. [DOI: 10.1016/j.bios.2014.09.023] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 08/29/2014] [Accepted: 09/10/2014] [Indexed: 11/24/2022]
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31
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Integration of antifouling and bactericidal moieties for optimizing the efficacy of antibacterial coatings. J Colloid Interface Sci 2015; 438:138-148. [DOI: 10.1016/j.jcis.2014.09.070] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Revised: 09/23/2014] [Accepted: 09/25/2014] [Indexed: 01/10/2023]
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32
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Šimkovic I, Mendichi R, Kelnar I, Filip J, Hricovíni M. Cationization of heparin for film applications. Carbohydr Polym 2015; 115:551-8. [DOI: 10.1016/j.carbpol.2014.09.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Revised: 09/09/2014] [Accepted: 09/13/2014] [Indexed: 10/24/2022]
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33
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Hsieh YH, Hsiao YT, Jan JS. Shell and core cross-linked poly(L-lysine)/poly(acrylic acid) complex micelles. SOFT MATTER 2014; 10:9568-9576. [PMID: 25357089 DOI: 10.1039/c4sm02033b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We report the versatility of polyion complex (PIC) micelles for the preparation of shell and core cross-linked (SCL and CCL) micelles with their surface properties determined by the constituent polymer composition and cross-linking agent. The negatively and positively charged PIC micelles with their molecular structure and properties depending on the mixing weight percentage and polymer molecular weight were first prepared by mixing the negatively and positively charged polyions, poly(acrylic acid) (PAA) and poly(L-lysine) (PLL). The feasibility of preparing SCL micelles was demonstrated by cross-linking the shell of the negatively and positively charged micelles using cystamine and genipin, respectively. The core of the micelles can be cross-linked by silica deposition to stabilize the assemblies. The shell and/or core cross-linked micelles exhibited excellent colloid stability upon changing solution pH. The drug release from the drug-loaded SCL micelles revealed that the controllable permeability of the SCL micelles can be achieved by tuning the cross-linking degree and the SCL micelles exhibited noticeable pH-responsive behavior with accelerated release under acidic conditions. With the versatility of cross-linking strategies, it is possible to prepare a variety of SCL and CCL micelles from PIC micelles.
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Affiliation(s)
- Yi-Hsuan Hsieh
- Department of Chemical Engineering, National Cheng Kung University, No. 1 University Rd, Tainan City, Taiwan 701.
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Grolik M, Szczubiałka K, Wowra B, Dobrowolski D, Orzechowska-Wylęgała B, Wylęgała E, Nowakowska M. Corneal Epithelial Scaffolds Based on Chitosan Membranes Containing Collagen and Keratin. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2014.909425] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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35
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Wu Q, Cheng H, Chang A, Bai X, Lu F, Wu W. Copper on responsive polymer microgels: a recyclable catalyst exhibiting tunable catalytic activity. Chem Commun (Camb) 2014; 50:14217-20. [DOI: 10.1039/c4cc06436d] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Zhou L, Chen M, Guan Y, Zhang Y. Multiple responsive hydrogel films based on dynamic Schiff base linkages. Polym Chem 2014. [DOI: 10.1039/c4py00868e] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Lorkowska-Zawicka B, Kamiński K, Ciejka J, Szczubiałka K, Białas M, Okoń K, Adamek D, Nowakowska M, Jawień J, Olszanecki R, Korbut R. Inactivation of heparin by cationically modified chitosan. Mar Drugs 2014; 12:3953-69. [PMID: 24983639 PMCID: PMC4113808 DOI: 10.3390/md12073953] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 05/13/2014] [Accepted: 05/16/2014] [Indexed: 11/17/2022] Open
Abstract
This study was performed to evaluate the ability of N-(2-hydroxypropyl)-3-tri methylammonium chitosan chloride (HTCC), the cationically modified chitosan, to form biologically inactive complexes with unfractionated heparin and thereby blocking its anticoagulant activity. Experiments were carried out in rats in vivo and in vitro using the activated partial thromboplastin time (APTT) and prothrombin time (PT) tests for evaluation of heparin anticoagulant activity. For the first time we have found that HTCC effectively neutralizes anticoagulant action of heparin in rat blood in vitro as well as in rats in vivo. The effect of HTCC on suppression of heparin activity is dose-dependent and its efficacy can be comparable to that of protamine-the only agent used in clinic for heparin neutralization. HTCC administered i.v. alone had no direct effect on any of the coagulation tests used. The potential adverse effects of HTCC were further explored using rat experimental model of acute toxicity. When administered i.p. at high doses (250 and 500 mg/kg body weight), HTCC induced some significant dose-dependent structural abnormalities in the liver. However, when HTCC was administered at low doses, comparable to those used for neutralization of anticoagulant effect of heparin, no histopathological abnormalities in liver were observed.
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Affiliation(s)
- Barbara Lorkowska-Zawicka
- Chair of Pharmacology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
| | - Kamil Kamiński
- Faculty of Chemistry, Jagiellonian University, 3 Ingardena Str., Cracow 30-060, Poland.
| | - Justyna Ciejka
- Faculty of Chemistry, Jagiellonian University, 3 Ingardena Str., Cracow 30-060, Poland.
| | - Krzysztof Szczubiałka
- Faculty of Chemistry, Jagiellonian University, 3 Ingardena Str., Cracow 30-060, Poland.
| | - Magdalena Białas
- Department of Pathomorphology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
| | - Krzysztof Okoń
- Department of Pathomorphology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
| | - Dariusz Adamek
- Department of Pathomorphology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
| | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, 3 Ingardena Str., Cracow 30-060, Poland.
| | - Jacek Jawień
- Chair of Pharmacology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
| | - Rafał Olszanecki
- Chair of Pharmacology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
| | - Ryszard Korbut
- Chair of Pharmacology, Jagiellonian University Medical College, 16 Grzegórzecka Str., Cracow 31-531, Poland.
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Baydemir G, Denizli A. Heparin removal from human plasma using molecular imprinted cryogels. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2014; 43:403-12. [DOI: 10.3109/21691401.2014.897631] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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39
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Li J, Hou Y, Chen X, Ding X, Liu Y, Shen X, Cai K. Recyclable heparin and chitosan conjugated magnetic nanocomposites for selective removal of low-density lipoprotein from plasma. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:1055-64. [PMID: 24394982 DOI: 10.1007/s10856-013-5134-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 12/23/2013] [Indexed: 05/19/2023]
Abstract
A new fabrication protocol is described to obtain heparin and chitosan conjugated magnetic nanocomposite as a blood purification material for removal of low-density lipoprotein (LDL) from blood plasma. The adsorbent could be easily separated with an external magnet for recyclable use since it had a magnetic core. The LDL level of plasma decreased by 67.3 % after hemoperfusion for 2 h. Moreover, the adsorbent could be recycled simply washing with NaCl solution. After eight cycles, the removal efficiency of the adsorbent was still above 50 %. The recyclable magnetic adsorbent had good blood compatibility due to the conjugation of heparin to the chitosan-coated magnetic nanocomposites. The fabricated magnetic adsorbent could be applied for LDL apheresis without side effects.
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Affiliation(s)
- Jinghua Li
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People's Republic of China
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La Spina R, Tripisciano C, Mecca T, Cunsolo F, Weber V, Mattiasson B. Chemically modified poly(2-hydroxyethyl methacrylate) cryogel for the adsorption of heparin. J Biomed Mater Res B Appl Biomater 2014; 102:1207-16. [PMID: 24425361 DOI: 10.1002/jbm.b.33104] [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: 06/10/2013] [Revised: 11/08/2013] [Accepted: 12/17/2013] [Indexed: 11/09/2022]
Abstract
Various clinical procedures, such as cardiovascular surgery or extracorporeal blood purification, involve systemic anticoagulation using heparin. High concentrations of circulating heparin require neutralization due to possible serious bleeding complications. The intravenous administration of the heparin antagonist protamine sulfate is routinely clinically performed, but is frequently associated with adverse reactions. Therefore, there is a need for a valid and safe alternative to achieve extracorporeal heparin removal from blood or plasma, such as a filter, a matrix, or an adsorbent. Here, we describe the development of a macroporous poly(2-hydroxyethyl methacrylate)-based monolithic cryogel functionalized with l-lysine (pHEMA-lys) and the characterization of its selective heparin adsorption. The maximum binding capacity was quantified in vitro using aqueous and serum solutions under static and dynamic conditions, and fresh human plasma under static conditions. The pHEMA-lys bound 40,500 IU and 32,500 IU heparin/g cryogel at the equilibrium in aqueous solution and 50% serum, respectively. In human plasma spiked with 100 IU/mL of heparin, the binding was still highly efficient (4330 IU/g cryogel after 30 min, i.e., 87% of the initial concentration). The cryogels showed good blood compatibility, as indicated by negligible adsorption of albumin, antithrombin III, and total protein, and may thus be suitable for extracorporeal heparin removal.
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Affiliation(s)
- R La Spina
- Department of Biotechnology, Lund University, SE-221 00, Lund, Sweden
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41
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Genipin-cross-linked poly(L-lysine)-based hydrogels: synthesis, characterization, and drug encapsulation. Colloids Surf B Biointerfaces 2013; 111:423-31. [PMID: 23872465 DOI: 10.1016/j.colsurfb.2013.06.028] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 06/11/2013] [Accepted: 06/12/2013] [Indexed: 01/22/2023]
Abstract
Genipin-cross-linked hydrogels composed of biodegradable and pH-sensitive cationic poly(L-lysine) (PLL), poly(L-lysine)-block-poly(L-alanine) (PLL-b-PLAla), and poly(L-lysine)-block-polyglycine (PLL-b-PGly) polypeptides were synthesized, characterized, and used as carriers for drug delivery. These polypeptide hydrogels can respond to pH-stimulus and their gelling and mechanical properties, degradation rate, and drug release behavior can be tuned by varying polypeptide composition and cross-linking degree. Comparing with natural polymers, the synthetic polypeptides with well-defined chain length and composition can warrant the preparation of the hydrogels with tunable properties to meet the criteria for specific biomedical applications. These hydrogels composed of natural building blocks exhibited good cell compatibility and enzyme degradability and can support cell attachment/proliferation. The evaluation of these hydrogels for in vitro drug release revealed that the controlled release profile was a biphasic pattern with a mild burst release and a moderate release rate thereafter, suggesting the drug molecules were encapsulated inside the gel matrix. With the versatility of polymer chemistry and conjugation of functional moieties, it is expected these hydrogels can be useful for biomedical applications such as polymer therapeutics and tissue engineering.
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42
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Arteche Pujana M, Pérez-Álvarez L, Cesteros Iturbe LC, Katime I. Biodegradable chitosan nanogels crosslinked with genipin. Carbohydr Polym 2013; 94:836-42. [DOI: 10.1016/j.carbpol.2013.01.082] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Revised: 01/14/2013] [Accepted: 01/15/2013] [Indexed: 11/25/2022]
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The Accumulation of Crocin and Geniposide and Transcripts of Phytoene Synthase during Maturation of Gardenia jasminoides Fruit. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:686351. [PMID: 23634173 PMCID: PMC3619689 DOI: 10.1155/2013/686351] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 02/26/2013] [Indexed: 12/12/2022]
Abstract
Gardenia fruit (fruit of Gardenia jasminoides Ellis) is used as a natural pigment resource and a Chinese traditional medicine. The white mesocarp turning orange or red that occurs during gardenia fruit maturation arises from the production and accumulation of the apocarotenoids, especially crocin-1, which is derived from carotenoid. Meanwhile, the major medical component geniposide is accumulated in gardenia fruit. To further our understanding of the synthetic and accumulation mechanism for crocin-1 and geniposide in gardenia fruit, the contents of crocin-1 and geniposide and the transcripts of phytoene synthase (GjPSY) profiles in gardenia fruits were examined at various stages of maturation. The concentration of crocin-1 and geniposide in gardenia fruit was determined by reversed-phase high-performance liquid chromatography (HPLC). The results showed that the concentration of crocetin-1 was increased during fruit development and the concentration of geniposide does not change significantly during maturing. The expression levels of GjPSY mRNA were examined by RT-PCR. It was revealed that GjPSY was constitutively expressed during fruit development, suggesting that the primary mechanism that controls crocin accumulation in G. jasminoides fruits during development is not correlated to the differential regulation of transcript levels of GjPSY gene.
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Jan JS, Chen PS, Hsieh PL, Chen BY. Silicification of genipin-cross-linked polypeptide hydrogels toward biohybrid materials and mesoporous oxides. ACS APPLIED MATERIALS & INTERFACES 2012; 4:6865-6874. [PMID: 23148676 DOI: 10.1021/am302016c] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A simple and versatile approach is proposed to use cross-linked polypeptide hydrogels as templates for silica mineralization, allowing the synthesis of polypeptide-silica hybrid hydrogels and mesoporous silica (meso-SiO(2)) by subsequent calcination. The experimental data revealed that the cross-linked polypeptide hydrogels comprised of interconnected, membranous network served as templates for the high-fidelity transcription of silica replicas spanning from nanoscale to microscale, resulting in hybrid network comprised of interpenetrated polypeptide nanodomains and silica. The mechanical properties of these as-prepared polypeptide-silica hybrid hydrogels were found to vary with polypeptide chain length and composition. The synergy between cross-link, hydrophobic interaction, and silica deposition can lead to the enhancement of their mechanical properties. The polypeptide-silica hybrid hydrogel with polypeptide and silica content as low as 1.1 wt% can achieve 114 kN/m(2) of compressive strength. By removing the polypeptide nanodomains, mesoporous silicas with average pore sizes ranged between 2 nm and 6 nm can be obtained, depending on polypeptide chain length and composition. The polypeptide-silica hybrid hydrogels demonstrated good cell compatibility and can support cell attachment/proliferation. With the versatility of polymer chemistry and feasibility of amine-catalyzed sol-gel chemistry, the present method is facile for the synthesis of green nanocomposites and biomaterials.
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Affiliation(s)
- Jeng-Shiung Jan
- Department of Chemical Engineering, National Cheng Kung University, No. 1, University Rd., Tainan, Taiwan 70101, Republic of China.
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Grolik M, Szczubiałka K, Wowra B, Dobrowolski D, Orzechowska-Wylęgała B, Wylęgała E, Nowakowska M. Hydrogel membranes based on genipin-cross-linked chitosan blends for corneal epithelium tissue engineering. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2012; 23:1991-2000. [PMID: 22569736 PMCID: PMC3400759 DOI: 10.1007/s10856-012-4666-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2011] [Accepted: 04/26/2012] [Indexed: 05/13/2023]
Abstract
Novel polymeric hydrogel scaffolds for corneal epithelium cell culturing based on blends of chitosan with some other biopolymers such as hydroxypropylcellulose, collagen and elastin crosslinked with genipin, a natural substance, were prepared. Physicochemical and biomechanical properties of these materials were determined. The in vitro cell culture experiments with corneal epithelium cells have indicated that a membrane prepared from chitosan-collagen blend (Ch-Col) provided the regular stratified growth of the epithelium cells, good surface covering and increased number of the cell layers. Ch-Col membranes are therefore the most promising material among those studied. The performance of Ch-Col membranes is comparable with that of the amniotic membrane which is currently recommended for clinical applications.
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Affiliation(s)
- Maria Grolik
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | | | - Bogumił Wowra
- Department of Ophthalmology, District Railway Hospital, Panewnicka 65, 40-760 Katowice, Poland
| | - Dariusz Dobrowolski
- Department of Ophthalmology, District Railway Hospital, Panewnicka 65, 40-760 Katowice, Poland
| | | | - Edward Wylęgała
- Department of Ophthalmology, District Railway Hospital, Panewnicka 65, 40-760 Katowice, Poland
| | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
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46
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Cationic derivative of dextran reverses anticoagulant activity of unfractionated heparin in animal models of arterial and venous thrombosis. Eur J Pharmacol 2012; 686:81-9. [DOI: 10.1016/j.ejphar.2012.04.037] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 04/13/2012] [Accepted: 04/21/2012] [Indexed: 11/21/2022]
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Zhao J, Lin F, Yi Y, Huang Y, Li H, Zhang Y, Yao S. Dual amplification strategy of highly sensitive thrombin amperometric aptasensor based on chitosan-Au nanocomposites. Analyst 2012; 137:3488-95. [PMID: 22701874 DOI: 10.1039/c2an35340g] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A highly sensitive and selective electrochemical aptasensor for thrombin was developed. By introducing chitosan-gold nanoparticles and horseradish peroxidase (CS-AuNPs-HRP) conjugates to the sensitive union, the thrombin detection signal was dual amplified. The capture probe was prepared by immobilizing an anti-thrombin aptamer on core-shell Fe(3)O(4)-Au magnetic nanoparticles (AuMNPs) and which was served as magnetic separation material as well. The detection probe was prepared from another anti-thrombin aptamer, horseradish peroxidase (HRP), thiolated CS nanoparticle and gold nanoparticle (CS-AuNPs-HRP-Apt2). In the presence of thrombin, the sandwich structure of AuMNPs-Apt1/thrombin/Apt2-CS-AuNPs-HRP was formed and abundant HRP was captured in it. The resultant conjugates are of magnetic characters and were captured onto the surface of a screen printed carbon electrode (SPCE) to prepare the modified electrode by a magnet located on the outer flank of the SPCE. It was demonstrated that the oxidation of hydroquinone (HQ) with H(2)O(2) was dramatically accelerated by the captured HRP. The electrochemical signal, which correlated to the reduction of BQ (the oxidation product of HQ), was amplified by the catalysis of HRP toward the reaction and the enrichment of HRP on the electrode surface. Under optimized conditions, ultrasensitive and high specific detection for thrombin was realized with the proposed assay strategy. The signal current was linearly correlated to the thrombin concentration in the range of 0.01-10 pM with a detection limit of 5.5 fM (S/N = 3). These results promise extensive applications of this newly proposed signal amplification strategy in protein detection and disease diagnosis.
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Affiliation(s)
- Jie Zhao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China
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48
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Qi W, Sun M, Jing Z. Fabrication of chitosan microcapsules via layer-by-layer assembly for loading and in vitro release of heparin. Supramol Chem 2012. [DOI: 10.1080/10610278.2012.671485] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Wei Qi
- a Key Laboratory of Life-Organic Analysis, School of Chemistry and Chemical Engineering, Qufu Normal University , Qufu Shandong , 273165 , P.R. China
| | - Min Sun
- a Key Laboratory of Life-Organic Analysis, School of Chemistry and Chemical Engineering, Qufu Normal University , Qufu Shandong , 273165 , P.R. China
| | - Zhihong Jing
- a Key Laboratory of Life-Organic Analysis, School of Chemistry and Chemical Engineering, Qufu Normal University , Qufu Shandong , 273165 , P.R. China
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49
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DUAL DRUG DELIVERY SYSTEM FROM MULTI-STEP SELF-ASSEMBLED POLYELECTROLYTE NANOPARTICLES. ACTA POLYM SIN 2011. [DOI: 10.3724/sp.j.1105.2011.11025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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50
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Kamiński K, Płonka M, Ciejka J, Szczubiałka K, Nowakowska M, Lorkowska B, Korbut R, Lach R. Cationic Derivatives of Dextran and Hydroxypropylcellulose as Novel Potential Heparin Antagonists. J Med Chem 2011; 54:6586-96. [DOI: 10.1021/jm200380w] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kamil Kamiński
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Monika Płonka
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Justyna Ciejka
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | | | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Barbara Lorkowska
- Chair of Pharmacology, Jagiellonian University Medical College, Grzegórzecka 16, 31-531 Kraków, Poland
| | - Ryszard Korbut
- Chair of Pharmacology, Jagiellonian University Medical College, Grzegórzecka 16, 31-531 Kraków, Poland
| | - Radosław Lach
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al.Mickiewicza 30, 30-059 Kraków, Poland
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