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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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Karimi Abdolmaleki M, Das A, Khambhati DP, Shafiee A, Dimas K, Velazquez CA, Davachi SM, Choubtarash Abardeh S. Efficient and Economic Heparin Recovery from Porcine Intestinal Mucosa Using Quaternary Ammonium-Functionalized Silica Gel. Bioengineering (Basel) 2022; 9:606. [PMID: 36354517 PMCID: PMC9687748 DOI: 10.3390/bioengineering9110606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 01/14/2024] Open
Abstract
Heparin, usually isolated from porcine intestinal mucosa, is an active pharmaceutical ingredient of great material value. Traditionally, diverse types of commercial resins were employed as an adsorbent for heparin retrieval from biological samples. However, more recent years have encouraged the advent of new cost-effective adsorbents to achieve enhanced heparin retrieval. Inexpensive cationic ammonium-functionalized silica gels, monodispersed with larger surface area, porosity, and higher thermal stability, were chosen to evaluate the heparin recovery yield from porcine intestinal mucosa. We demonstrated that higher positively charged and less bulky quaternary modified silica gel (e.g., QDASi) could adsorb ~28% (14.7 mg g-1) heparin from the real samples. In addition, we also determined suitable surface conditions for the heparin molecule adsorption by mechanistic studies and optimized different variables, such as pH, temperature, etc., to improve the heparin adsorption. This is going to be the first reported study on the usage of quaternary amine-functionalized silica gel for HEP uptake.
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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 or
| | - Ali Shafiee
- Department of Chemistry, Cape Breton University, Sydney, NS B1P 6L2, Canada
| | - Kayli Dimas
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA or
| | - Carlo Alberto Velazquez
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA or
| | - Seyed Mohammad Davachi
- Department of Biology and Chemistry, Texas A&M International University, Laredo, TX 78041, USA or
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Efficient Heparin Recovery from Porcine Intestinal Mucosa Using Zeolite Imidazolate Framework-8. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27051670. [PMID: 35268771 PMCID: PMC8911909 DOI: 10.3390/molecules27051670] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/26/2022] [Accepted: 03/01/2022] [Indexed: 12/18/2022]
Abstract
Heparin is one of the most valuable active pharmaceutical ingredients, and it is generally isolated from porcine intestinal mucosa. Traditionally, different types of commercial resins are employed as an adsorbent for heparin uptake; however, using new, less expensive adsorbents has attracted more interest in the past few years to enhance the heparin recovery. Zeolite imidazolate framework-8 (ZIF-8), as a metal–organic framework (MOF) with a high surface area, porosity, and good stability at high temperatures, was selected to examine the heparin recovery. In this research, we demonstrate that ZIF-8 can recover up to ~70% (37 mg g−1) of heparin from porcine intestinal mucosa. A mechanistic study through kinetic and thermodynamic models on the adsorption revealed appropriate surface conditions for the adsorption of heparin molecules. The effect of different variables such as pH and temperature on heparin adsorption was also studied to optimize the recovery. This study is the first to investigate the usage of MOFs for heparin uptake.
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Fernandes CSM, Pina AS, Roque ACA. Affinity-triggered hydrogels: Developments and prospects in biomaterials science. Biomaterials 2020; 268:120563. [PMID: 33276200 DOI: 10.1016/j.biomaterials.2020.120563] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 01/05/2023]
Affiliation(s)
- Cláudia S M Fernandes
- UCIBIO, Chemistry Department, School of Science and Technology, NOVA University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal
| | - Ana Sofia Pina
- UCIBIO, Chemistry Department, School of Science and Technology, NOVA University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal
| | - Ana Cecília A Roque
- UCIBIO, Chemistry Department, School of Science and Technology, NOVA University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal.
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Enayati M, Karimi Abdolmaleki M, Abbaspourrad A. Synthesis of Cross-Linked Spherical Polycationic Adsorbents for Enhanced Heparin Recovery. ACS Biomater Sci Eng 2020; 6:2822-2831. [PMID: 33463302 DOI: 10.1021/acsbiomaterials.0c00299] [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] [Indexed: 11/28/2022]
Abstract
Heparin, as an anticoagulant drug, is almost entirely produced via isolation from mucosal tissues of different animals; therefore, it is it is crucial to maximize its recovery. Adsorption of heparin from this complex biological mixture needs a specialized and highly effective adsorbent that almost separates only heparin from the mixture. In this work, a series of spherical cross-linked polymer bead adsorbents were synthesized via inverse suspension polymerization of water soluble monomers in corn oil, a benign solvent, and their performance for heparin adsorption from a biological sample of porcine mucosa was evaluated. To tune the performance and swelling of the resins, we varied the molar ratio of the monomer(s) to the cross-linker as well as the molar ratio of the monomers. The results of heparin recovery from biological porcine mucosa show that our optimized resin can outperform the commercially available resin in terms of adsorption efficiency of up to 18%. The adsorbed heparin was eluted, isolated, and its anticoagulant potency measured using the standard sheep plasma clotting assay. The isolated heparin samples were also analyzed by 1H NMR spectroscopy to check the possible impurities, and the results show the presence of chondroitin sulfate and dermatan sulfate, as is the case for the heparin eluted from the commercial resin. Furthermore, the effects of some experimental variables including the adsorbent dosage, pH, time, and recycling on heparin adsorption were studied, and the results show that these resins can be used for efficient recovery of heparin.
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Affiliation(s)
- Mojtaba Enayati
- Department of Food Science, College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, New York, United States
| | - Mahmood Karimi Abdolmaleki
- Department of Food Science, College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, New York, United States
| | - Alireza Abbaspourrad
- Department of Food Science, College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, New York, United States
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Wang J, Rabenstein DL. Interaction of heparin with two synthetic peptides that neutralize the anticoagulant activity of heparin. Biochemistry 2008; 45:15740-7. [PMID: 17176096 PMCID: PMC2527756 DOI: 10.1021/bi061346a] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two synthetic analogues of the heparin-binding domain of heparin/heparan sulfate-interacting protein (Ac-SRGKAKVKAKVKDQTK-NH2) and the all-d-amino acid version of the same peptide (l-HIPAP and d-HIPAP, respectively) were synthesized, and their efficacy as agents for neutralization of the anticoagulant activity of heparin was assayed. The two analogue peptides were found to be equally effective for neutralization of the anticoagulant activity of heparin, as measured by restoration of the activity of serine protease factor Xa by the Coatest heparin method. The finding that l-HIPAP and d-HIPAP are equally effective suggests that d-amino acid peptides show promise as proteolytically stable therapeutic agents for neutralization of the anticoagulant activity of heparin. The interaction of l-HIPAP and d-HIPAP with heparin was characterized by 1H NMR, isothermal titration calorimetry (ITC), and heparin affinity chromatography. The two peptides were found to interact identically with heparin. Analysis of the dependence of heparin-peptide binding constants on Na+ concentration by counterion condensation theory indicates that, on average, 2.35 Na+ ions are displaced from heparin per peptide molecule bound and one peptide molecule binds per hexasaccharide segment of heparin. The analysis also indicates that both ionic and nonionic interactions contribute to the binding constant, with the ionic contribution decreasing as the Na+ concentration increases.
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Affiliation(s)
- Jing Wang
- Department of Chemistry, University of California, Riverside, California 92521, USA
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