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Biedrzycki G, Wolszczak-Biedrzycka B, Dorf J, Michalak D, Żendzian-Piotrowska M, Zalewska A, Maciejczyk M. Antioxidant and Anti-Glycation Potential of H2 Receptor Antagonists-In Vitro Studies and a Systematic Literature Review. Pharmaceuticals (Basel) 2023; 16:1273. [PMID: 37765081 PMCID: PMC10535796 DOI: 10.3390/ph16091273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
Background: Histamine H2 receptor antagonists are a group of drugs that inhibit gastric juice secretion in gastrointestinal diseases. However, there is evidence to suggest that H2 blockers have a broader spectrum of activity. The antioxidant properties of H2 blockers have not been fully elucidated, and their anti-glycation potential has not been studied to date. Therefore, this is the first study to compare the antioxidant and antiglycation potentials of the most popular H2 antagonists (ranitidine, cimetidine, and famotidine) on protein glycoxidation in vitro. Methods: Bovine serum albumin (BSA) was glycated using sugars (glucose, fructose, galactose, and ribose) as well as aldehydes (glyoxal and methylglyoxal). Results: In the analyzed group of drugs, ranitidine was the only H2 blocker that significantly inhibited BSA glycation in all tested models. The contents of protein carbonyls, protein glycoxidation products (↓dityrosine, ↓N-formylkynurenine), and early (↓Amadori products) and late-stage (↓AGEs) protein glycation products decreased in samples of glycated BSA with the addition of ranitidine relative to BSA with the addition of the glycating agents. The anti-glycation potential of ranitidine was comparable to those of aminoguanidine and Trolox. In the molecular docking analysis, ranitidine was characterized by the lowest binding energy for BSA sites and could compete with protein amino groups for the addition of carbonyl groups. H2 blockers also scavenge free radicals. The strongest antioxidant properties are found in ranitidine, which additionally has the ability to bind transition metal ions. The systematic literature review also revealed that the anti-glycation effects of ranitidine could be attributed to its antioxidant properties. Conclusions: Ranitidine showed anti-glycation and antioxidant properties. Further research is needed, particularly in patients with diseases that promote protein glycation.
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Affiliation(s)
- Grzegorz Biedrzycki
- Hospital Pharmacy, Provincial Specialist Hospital in Olsztyn, 10-900 Olsztyn, Poland
| | - Blanka Wolszczak-Biedrzycka
- Department of Psychology and Sociology of Health and Public Health, University of Warmia and Mazury in Olsztyn, 10-900 Olsztyn, Poland
| | - Justyna Dorf
- Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Daniel Michalak
- Students Scientific Club “Biochemistry of Civilization Diseases”, Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 15-089 Bialystok, Poland
| | | | - Anna Zalewska
- Experimental Dentistry Laboratory, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 15-089 Bialystok, Poland
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Paar M, Fengler VH, Reibnegger G, Schnurr K, Waterstradt K, Schwaminger SP, Stauber RE, Oettl K. Determination of binding characteristics as a measure for effective albumin using different methods. Biochim Biophys Acta Gen Subj 2023:130427. [PMID: 37454915 DOI: 10.1016/j.bbagen.2023.130427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND & AIMS Transport functions of albumin are of clinical and pharmacological interest and are determined by albumin's properties like posttranslational modifications or bound ligands. Both are affected in pathological conditions and in therapeutic grade albumin solutions. The term effective albumin concentration was introduced as a measure of functionally intact albumin. Our aim was to evaluate the impact of ligands and modifications with different approaches as a measure of effective albumin. APPROACH & RESULTS We used a spin labelled fatty acid and dansylsarcosine to characterize binding properties of albumin i) prepared from plasma of patients and healthy control donors, ii) measured directly out of plasma, iii) research grade albumin, iv) in vitro modified albumin, and v) therapeutic infusion solutions before and after removal of stabilizers. Bilirubin is the main determinant for binding function in patients' albumin. In in vitro prepared albumin bound fatty acids correlated with impaired binding. Human nonmercaptalbumin1, not human nonmercaptalbumin2, showed reduced binding properties. Binding and transport function of therapeutic albumin was severely impaired and restored by filtration. Glycation of research grade albumin had no effect on the binding of dansylsarcosine and only a minor effect on fatty acid binding. CONCLUSIONS Our results suggest that effective albumin -in terms of binding properties- is primarily determined by bound ligands and only to a minor extent by posttranslational modifications. Characterizing albumin directly from plasma better reflects the physiological situation whereas in the case of therapeutic grade albumin stabilizers should be removed to make its binding properties accessible.
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Affiliation(s)
- Margret Paar
- Medical University of Graz, Otto Loewi Research Center, Division of Medicinal Chemistry, Neue Stiftingtalstrasse 6, 8010, Graz, Austria
| | - Vera H Fengler
- University of Graz, Institute of Molecular Biosciences, Humboldtstrasse 50, 8010, Graz, Austria
| | - Gilbert Reibnegger
- Medical University of Graz, Otto Loewi Research Center, Division of Medicinal Chemistry, Neue Stiftingtalstrasse 6, 8010, Graz, Austria
| | - Kerstin Schnurr
- MedInnovation GmbH, Wissenschaftsstandort Berlin-Adlershof (WISTA), Groß-Berliner Damm 151, 12487 Berlin, Germany
| | - Katja Waterstradt
- MedInnovation GmbH, Wissenschaftsstandort Berlin-Adlershof (WISTA), Groß-Berliner Damm 151, 12487 Berlin, Germany
| | - Sebastian P Schwaminger
- Medical University of Graz, Otto Loewi Research Center, Division of Medicinal Chemistry, Neue Stiftingtalstrasse 6, 8010, Graz, Austria; BioTechMed-Graz, Mozartgasse 12, 8010 Graz, Austria
| | - Rudolf E Stauber
- Medical University of Graz, Department of Internal Medicine, Division of Gastroenterology and Hepatology, Auenbruggerplatz 15, 8036 Graz, Austria
| | - Karl Oettl
- Medical University of Graz, Otto Loewi Research Center, Division of Medicinal Chemistry, Neue Stiftingtalstrasse 6, 8010, Graz, Austria.
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Farrugia A, Mori F. Therapeutic solutions of human albumin - The possible effect of process-induced molecular alterations on clinical efficacy and safety. J Pharm Sci 2022; 111:1292-1308. [PMID: 35276228 DOI: 10.1016/j.xphs.2022.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 12/14/2022]
Abstract
Human albumin solutions were developed as therapeutic during the Second World War to address blood loss due to battlefield injury. This indication was based on the recognition that albumin provided most of the oncotic capacity of human plasma. For the succeeding sixty years, this formed the basis for the use of albumin in traumatology and emergency medicine. In more recent times, the pharmacological properties arising from albumin's complex structure have become a focus of attention by clinical researchers. In particular, albumin, through anti-inflammatory and anti-oxidant properties, has been proposed as an agent for the treatment of sepsis, cirrhosis and other inflammatory states. Some evidence for these indications has accrued from a number of small clinical trials and observational studies. These studies have not been confirmed in other large trials. Together with other investigators, we have shown that the process of plasma fractionation results in alterations in the structure of albumin, including those parts of the molecule involved in anti-oxidant and anti-inflammatory effects. Albumin products from diverse manufacturers show heterogeneity in their ability to address these effects. In this article, we review the historical development of albumin solutions, pointing out the variations in fractionation chemistries which different manufacturers have adopted. We suggest ways by which the manufacturing processes have contributed to variations in the physico-chemical properties of molecule. We review the outcomes of clinical studies assessing the role of albumin in ameliorating conditions such as sepsis and cirrhosis, and we speculate as to the extent which heterogeneity in the products may have contributed to variable clinical outcomes. Finally, we argue for a change in the perception of the plasma product industry and its regulatory overseers. Historically, albumin has been viewed as a generic commodity, with different preparations being interchangeable in their clinical application. We suggest that this implied biosimilarity is not necessarily applicable for different albumin solutions. The use of albumin, in indications other than its historical role as a plasma expander, can only be validated by clinical investigation of each separate albumin product.
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Affiliation(s)
- Albert Farrugia
- Faculty of Health and Medical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley WA 6009, Perth, Australia.
| | - Filippo Mori
- Kedrion S.p.A., Research and Innovation Department, Via di Fondovalle, Loc., Bolognana 55027, Gallicano (LU), Italy
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Alves JEF, Lucena MLC, de Souza Lucena AE, das Merces AAD, de Azevedo RDS, Sousa GLS, de Moura RO, Alves de Lima MDC, de Carvalho Júnior LB, de Almeida SMV. A simple method for obtaining human albumin and its use for in vitro interaction assays with indole-thiazole and indole-thiazolidinone derivatives. Int J Biol Macromol 2021; 192:126-137. [PMID: 34562539 DOI: 10.1016/j.ijbiomac.2021.09.109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 12/20/2022]
Abstract
This work aimed to develop a simple and low-cost method to obtain human serum albumin (HSA) and its consequent application for in vitro drug interaction assays. The HSA was purified by classic principles of plasma precipitation and thermocoagulation, using a multiple-stage fractionation. The quality of the final product was assessed by electrophoresis, protein dosage by the Lowry method and the pharmacopeial thermal stability. At the end, an isotonic solution of HSA with a total protein concentration of 2.7 mg·mL-1 was obtained, which was visualized as a single band corresponding to the molecular weight of 66 kDa. After the thermal stability test, there was no indication of turbidity or color change of the solution. Finally, the HSA was useful for interaction assays with indole-thiazole and indole-thiazolidinone derivatives through UV-vis absorption and fluorescence spectroscopic studies, as well as by docking molecular analysis. Derivatives quenched the intrinsic fluorescence of HSA, disrupted the tryptophan residues microenvironment, and probably bind at Sudlow's site I. Therefore, the simplified methodology developed in this work proved to be effective in obtaining HSA that can be applied to research goals including drug interaction assays.
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Affiliation(s)
| | | | | | | | - Rafael David Souto de Azevedo
- Laboratório de Biologia Molecular, Universidade de Pernambuco (UPE), Multicampi Garanhuns, Garanhuns, PE 55290-000, Brazil
| | - Gleyton Leonel Silva Sousa
- Programa de Doutorado em Química, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ 23897-000, Brazil
| | - Ricardo Olimpio de Moura
- Departamento de Ciências Biológicas e da Saúde, Universidade Estadual da Paraíba, João Pessoa, PB 58429-500, Brazil
| | - Maria do Carmo Alves de Lima
- Laboratório de Química e Inovação Terapêutica (LQIT) - Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, PE 50670-901, Brazil
| | | | - Sinara Mônica Vitalino de Almeida
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, PE 50670-901, Brazil; Laboratório de Biologia Molecular, Universidade de Pernambuco (UPE), Multicampi Garanhuns, Garanhuns, PE 55290-000, Brazil.
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Gilg A, Harms M, Olari LR, Urbanowitz AK, Bonig H, Münch J. Absence of the CXCR4 antagonist EPI-X4 from pharmaceutical human serum albumin preparations. J Transl Med 2021; 19:190. [PMID: 33941197 PMCID: PMC8094565 DOI: 10.1186/s12967-021-02859-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/26/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Endogenous Peptide Inhibitor of CXCR4 (EPI-X4) is a natural antagonist of the CXC chemokine receptor 4 (CXCR4). EPI-X4 is a 16-mer peptide that is released from human serum albumin (HSA) by acidic aspartic proteases such as Cathepsin D and E. Since human serum albumin (HSA) is an important medicinal substance we asked whether different pharmaceutical HSA products contain EPI-X4 which could have been generated during manufacturing and whether HSA can serve as a substrate for cathepsins despite of the presence of stabilizers like caprylate. METHODS Eight pharmaceutical HSA preparations representing all currently used fractionation technologies were analyzed. The previously described specific EPI-X4 ELISA was used for quantification; in vitro EPI-X4 generation by acidification in the presence or absence of cathepsins was followed by quantification with ELISA. RESULTS None of the pharmaceutical HSA preparations tested contained EPI-X4. Acidification of HSA did not generate EPI-X4. Addition of cathepsins D and E to acidified HSA yielded high concentrations of EPI-X4 in all HSA preparations, indistinguishable between individual products. CONCLUSION Medicinal HSA preparations per se do not contain EPI-X4, but will replenish its precursor which can be cleaved to EPI-X4 in vivo, environmental conditions permitting.
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Affiliation(s)
- Andrea Gilg
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Mirja Harms
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Lia-Raluca Olari
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Ann-Kathrin Urbanowitz
- German Red Cross Blood Donor Service Baden-Wuerttemberg-Hessen, Institute Frankfurt, 60528, Frankfurt, Germany
| | - Halvard Bonig
- German Red Cross Blood Donor Service Baden-Wuerttemberg-Hessen, Institute Frankfurt, 60528, Frankfurt, Germany.
- Institute for Transfusion Medicine and Immunohematology, Goethe University, 60528, Frankfurt, Germany.
- Dept. of Medicine, Div. of Hematology, University of Washington, Seattle, WA, 98195, USA.
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany.
- Core Facility Functional Peptidomics, Ulm University Medical Center, 89081, Ulm, Germany.
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Park J, Kim MS, Park T, Kim YH, Shin DH. Crystal structure of pharmaceutical-grade human serum albumin. Int J Biol Macromol 2020; 166:221-228. [PMID: 33190823 DOI: 10.1016/j.ijbiomac.2020.10.152] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/13/2020] [Accepted: 10/20/2020] [Indexed: 01/08/2023]
Abstract
Human serum albumin (HSA) is the most abundant protein in human plasma and plays versatile biological role. HSA has been widely used to treat several diseases and develop biocompatible biomaterials for biomedical applications. However, pharmaceutical-grade HSA (p-HSA) showed the altered oxidative and ligand-binding properties compare to native HSA. To investigate the influences of the manufacturing process on the molecular state of HSA, we determined the first crystal structure of p-HSA using the commercial HSA solution without any defatting step and further purification and carried out mass spectrometry to identify bound ligands. The crystal structure of p-HSA revealed that medium- and long-chain fatty acids and tryptophan are bound to p-HSA and one free cysteine is oxidized to cysteine-sulfenic acid. The mass spectra of p-HSA also confirmed the existence of fatty acids and tryptophan in p-HSA. Our results enhance understanding of the molecular state of p-HSA and can be utilized to produce p-HSA solutions and HSA-based biomaterials that has a higher biorelevance.
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Affiliation(s)
- Jimin Park
- College of Pharmacy, Ewha W. University, Seoul 03760, Republic of Korea; School of Computational Sciences, Korea Institute for Advanced Study, Seoul 02455, Republic of Korea
| | - Mi-Sun Kim
- College of Pharmacy, Ewha W. University, Seoul 03760, Republic of Korea
| | - Taeseong Park
- Biomedical Research Institute, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea
| | - Young Hwan Kim
- Center for Research Equipment, Korea Basic Science Institute, Cheongju 28119, Republic of Korea
| | - Dong Hae Shin
- College of Pharmacy, Ewha W. University, Seoul 03760, Republic of Korea.
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Wu L, Mantas A, Gustafsson S, Manukyan L, Mihranyan A. Aggregate Removal Nanofiltration of Human Serum Albumin Solution Using Nanocellulose-Based Filter Paper. Biomedicines 2020; 8:biomedicines8070209. [PMID: 32668723 PMCID: PMC7400174 DOI: 10.3390/biomedicines8070209] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 07/06/2020] [Accepted: 07/10/2020] [Indexed: 02/07/2023] Open
Abstract
This study is dedicated to the rapid removal of protein aggregates and viruses from plasma-derived human serum albumin (HSA) product to reduce the risk of viral contamination and increase biosafety. A two-step filtration approach was implemented to first remove HSA aggregates and then achieve high model virus clearance using a nanocellulose-based filter paper of different thicknesses, i.e., 11 μm (prefilter) and 22 μm (virus filter) at pH 7.4 and room temperature. The pore size distribution of these filters was characterized by nitrogen gas sorption analysis. Dynamic light scattering (DLS) and size-exclusion high performance liquid chromatography (SE-HPLC) were performed to analyze the presence of HSA aggregates in process intermediates. The virus filter showed high clearance of a small-size model virus, i.e., log10 reduction value (LRV) > 5, when operated at 3 and 5 bar, but a distinct decrease in LRV was detected at 1 bar, i.e., LRV 2.65–3.75. The throughput of HSA was also dependent on applied transmembrane pressure as was seen by Vmax values of 110 ± 2.5 L m−2 and 63.6 ± 5.8 L m−2 at 3 bar and 5 bar, respectively. Protein loss was low, i.e., recovery > 90%. A distribution of pore sizes between 40 nm and 60 nm, which was present in the prefilter and absent in the virus filter, played a crucial part in removing the HSA aggregates and minimizing the risk of virus filter fouling. The presented results enable the application of virus removal nanofiltration of HSA in bioprocessing as an alternative to virus inactivation methods based, e.g., on heat treatment.
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Tramarin A, Tedesco D, Naldi M, Baldassarre M, Bertucci C, Bartolini M. New insights into the altered binding capacity of pharmaceutical-grade human serum albumin: site-specific binding studies by induced circular dichroism spectroscopy. J Pharm Biomed Anal 2019; 162:171-178. [DOI: 10.1016/j.jpba.2018.09.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 09/03/2018] [Accepted: 09/11/2018] [Indexed: 12/16/2022]
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Narwal M, Kumar D, Mukherjee TK, Bhattacharyya R, Banerjee D. Molecular dynamics simulation as a tool for assessment of drug binding property of human serum albumin. Mol Biol Rep 2018; 45:1647-1652. [DOI: 10.1007/s11033-018-4308-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 08/10/2018] [Indexed: 12/30/2022]
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