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Kawai A, Yamasaki K, Otagiri M, Doi Y. Interaction of Cephalosporins with Human Serum Albumin: A Structural Study. J Med Chem 2024; 67:14175-14183. [PMID: 39083648 DOI: 10.1021/acs.jmedchem.4c00983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Modification of the R1 and R2 side chain structures has been used as the main strategy to expand the spectrum of cephalosporins and impart resistance to hydrolysis by β-lactamases. These structural modifications also result in a wide range of plasma protein binding, especially with human serum albumin (HSA). Here, we determined the crystal structures of the HSA complexes with two clinically important cephalosporins, ceftriaxone and cefazolin, and evaluated the binding of cephalosporin to HSA by susceptibility testing and competitive binding assay. Ceftriaxone and cefazolin bind to subdomain IB of HSA, and their cephem core structures are recognized by Arg117 of HSA. Tyr161 of HSA changes its rotamer depending on the cephalosporin, resulting in alterations of the cavity shape occupied by the R2 side chain of cephalosporins. These findings provide structural insight into the mechanisms underlying the HSA binding of cephalosporins.
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Affiliation(s)
- Akito Kawai
- Department of Microbiology, Fujita Health University School of Medicine, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
- Center for Infectious Disease Research, Fujita Health University, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
| | - Keishi Yamasaki
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1, Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
- DDS Research Institute, Sojo University, 4-22-1, Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1, Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
- DDS Research Institute, Sojo University, 4-22-1, Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Yohei Doi
- Department of Microbiology, Fujita Health University School of Medicine, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
- Center for Infectious Disease Research, Fujita Health University, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
- Department of Infectious Diseases, Fujita Health University School of Medicine, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
- Division of Infectious Diseases, University of Pittsburgh School of Medicine, 3550 Terrace Street, S829 Scaife Hall, Pittsburgh, Pennsylvania 15261, United States
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Cunha RS, Cruz PF, Costa T, Almeida ZL, de Lima MEF, Serpa C, Chaves OA. Revisiting and Updating the Interaction between Human Serum Albumin and the Non-Steroidal Anti-Inflammatory Drugs Ketoprofen and Ketorolac. Molecules 2024; 29:3001. [PMID: 38998953 PMCID: PMC11243439 DOI: 10.3390/molecules29133001] [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: 05/11/2024] [Revised: 06/14/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024] Open
Abstract
Ketoprofen (KTF) and ketorolac (KTL) are among the most primarily used non-steroidal anti-inflammatory drugs (NSAIDs) in humans to alleviate moderate pain and to treat inflammation. Their binding affinity with albumin (the main globular protein responsible for the biodistribution of drugs in the bloodstream) was previously determined by spectroscopy without considering some conventional pitfalls. Thus, the present work updates the biophysical characterization of the interactions of HSA:KTF and HSA:KTL by 1H saturation-transfer difference nuclear magnetic resonance (1H STD-NMR), ultraviolet (UV) absorption, circular dichroism (CD), steady-state, and time-resolved fluorescence spectroscopies combined with in silico calculations. The binding of HSA:NSAIDs is spontaneous, endothermic, and entropically driven, leading to a conformational rearrangement of HSA with a slight decrease in the α-helix content (7.1% to 7.6%). The predominance of the static quenching mechanism (ground-state association) was identified. Thus, both Stern-Volmer quenching constant (KSV) and binding constant (Kb) values enabled the determination of the binding affinity. In this sense, the KSV and Kb values were found in the order of 104 M-1 at human body temperature, indicating moderate binding affinity with differences in the range of 0.7- and 3.4-fold between KTF and KTL, which agree with the previously reported experimental pharmacokinetic profile. According to 1H STD-NMR data combined with in silico calculations, the aromatic groups in relation to the aliphatic moiety of the drugs interact preferentially with HSA into subdomain IIIA (site II) and are stabilized by interactions via hydrogen bonding and hydrophobic forces. In general, the data obtained in this study have been revised and updated in comparison to those previously reported by other authors who did not account for inner filter corrections, spectral backgrounds, or the identification of the primary mathematical approach for determining the binding affinity of HSA:KTF and HSA:KTL.
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Affiliation(s)
- Rita S. Cunha
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Pedro F. Cruz
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Telma Costa
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Zaida L. Almeida
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Marco Edilson Freire de Lima
- Departament of Organic Chemistry, Institute of Chemistry, Federal Rural University of Rio de Janeiro, Seropédica 23890-000, RJ, Brazil
| | - Carlos Serpa
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| | - Otávio A. Chaves
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
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Lakshmanan M, Yadav SA, Meti M, Kaveri S, Subban R, Celestina SK, Subramanyam R. Molecular interaction studies of P3CL on bovine serum albumin through biophysical approach. J Biomol Struct Dyn 2024:1-9. [PMID: 38321944 DOI: 10.1080/07391102.2024.2313153] [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: 08/14/2023] [Accepted: 01/25/2024] [Indexed: 02/08/2024]
Abstract
In the fields of pharmacology and life sciences, it is essential to study how prescribed drugs interact with carrier proteins in human serum albumin. The current study has evaluated the binding properties of rhodanine derivative; (z)-2-(4-(5-((3-(3-chlorophenyl)-1-phenyl-1H-pyrazol-4-oxo-2-thioxothiazolidin-3-yl)benzamido)acetic acid (P3CL) on bovine serum albumin (BSA) by biophysical approach. BSA is a homology model of Human serum albumin. Due to the cost-effectiveness of Human Serum Albumin (HSA) we have studied the binding properties of rhodanine derivative (P3CL) on BSA. The BSA-P3CL interactions were investigated by fluorescence spectroscopy and revealed the presence of a static quenching mechanism. P3CL possesses good binding affinity on BSA with binding constant KP3CL = 5.36330 × 1013 M-1 binding free energy. We have calculated the binding free energy, the number of binding sites, and the binding constants. The establishment of hydrogen bonds and the active participation of amino acids in drug binding were confirmed by molecular docking studies. As conventional processes for the investigation of pharmacological drugs, therapeutic combinations, and coordinated drug intake, the offered strategies are simple to comprehend, accurate, and rapid to put into practice. Our findings will support an additional investigation into ligand's pharmacological activity.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Malasree Lakshmanan
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
| | | | - Manjunath Meti
- Department of Plant Science, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana, India
| | - Sundaram Kaveri
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
| | - Ravi Subban
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
| | - Stephen Kumar Celestina
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
| | - Rajagopal Subramanyam
- Department of Plant Science, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana, India
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Sampath S, Yadav SA, Meti M, Kaveri S, Subban R, Subramanyam R. Elucidation of binding mechanism of rhodanine derivative P4OC on bovine serum albumin. J Biomol Struct Dyn 2024; 42:475-482. [PMID: 36974960 DOI: 10.1080/07391102.2023.2194001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 03/15/2023] [Indexed: 03/29/2023]
Abstract
Rhodanine is an important scaffold in medicinal chemistry and it act as potent anticancer agent and other pharmacological effects. In pharmacokinetics and pharmacodynamics studies of the drug, the drug binding properties on serum protein is crucial for producing better drug. This study was designed to explore the binding interactions between the Rhodanine derivative (P4OC) on Bovine Serum Albumin (BSA). The interactions between P4OC and BSA were investigated using biophysical approach and molecular docking. The quenching mechanism and binding constants of P4OC on BSA were determined by biophysical approach through fluorescence spectroscopic experiments. Circular dichroism (CD) spectroscopy was used to study the secondary structural changes of BSA upon P4OC binding. The fluorescence experiments of P4OC binding on BSA show good drug binding with static quenching constants using stern Volmer plot and found the quenching constant value KP4OC = 1.12762 × 1013 M-1 with corresponding binding free energy (ΔG) -2.303 kcal/mol. The molecular displacement fluorescence emission on BSA-P4OC complex by site specific markers shows that P4OC binds at I A sub-domain of BSA further confirmed peak shift by synchronous fluorescence of P4OC on BSA with tyrosine, tryptophan and phenylalanine amino acids. Increasing concentration of P4OC on BSA found secondary structural changes, the percentage of α-helix was decreased as well increase percentage of β-sheet and random coil. The binding of P4OC to BSA was computationally studied by molecular docking methods. Thus, results obtained are in excellent agreement with experimental and theoretical results with respect to the binding mechanism and binding constant of P4OC on BSA. We concluded that, the rhodanine derivative P4OC possesses good drug binding properties on BSA. Further P4OC may be evaluated its potential pharmacological activities on clinical trial.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sakthiprabha Sampath
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
| | | | - Manjunath Meti
- Department of Plant Sciences, University of Hyderabad, Gachibowli, Hyderabad, India
| | - Sundaram Kaveri
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
| | - Ravi Subban
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
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Yamasaki K, Teshima H, Yukizawa R, Kuyama K, Tsukigawa K, Nishi K, Otagiri M, Kawai A. Structural Basis of the Change in the Interaction Between Mycophenolic Acid and Subdomain IIA of Human Serum Albumin During Renal Failure. J Med Chem 2023; 66:951-961. [PMID: 36538495 DOI: 10.1021/acs.jmedchem.2c01790] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Mycophenolic acid (MP) is an active metabolite of mycophenolate mofetil, a widely used immunosuppressive drug. MP normally exhibits high plasma protein binding (97-99%), but its binding rate is decreased in patients with renal insufficiency. This decreased protein binding is thought to be associated with leukopenia, a side effect of MP. In this study, we characterized the change in protein binding of MP in renal failure patients. Our findings indicate that MP binds strongly to subdomain IIA of human serum albumin. X-ray crystallographic data indicated that the isobenzofuran group of MP forms a stacking interaction with Trp214, and the carboxyl group of MP is located at a position that allows the formation of hydrogen bonds with Tyr150, His242, or Arg257. Due to the specific binding of MP to subdomain IIA, MP is thought to be displaced by uremic toxin (3-carboxy-4-methyl-5-propyl-2-furan-propionic acid) and fatty acids (oleate or myristate) that can bind to subdomain IIA, resulting in the decreased plasma protein binding of MP in renal failure.
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Affiliation(s)
- Keishi Yamasaki
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
- DDS Research Institute, Sojo University, Kumamoto860-0082, Japan
| | - Honoka Teshima
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
| | - Reina Yukizawa
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
| | - Koki Kuyama
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
| | - Kenji Tsukigawa
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
- DDS Research Institute, Sojo University, Kumamoto860-0082, Japan
| | - Koji Nishi
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
- DDS Research Institute, Sojo University, Kumamoto860-0082, Japan
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto860-0082, Japan
- DDS Research Institute, Sojo University, Kumamoto860-0082, Japan
| | - Akito Kawai
- Department of Microbiology, Fujita Health University School of Medicine, Toyoake, Aichi470-1192, Japan
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Chen S, Yuan C, Jiang L, Luo Z, Huang M. Crystallographic analysis of interaction between cisplatin and human serum albumin: Effect of fatty acid. Int J Biol Macromol 2022; 216:172-178. [PMID: 35788007 DOI: 10.1016/j.ijbiomac.2022.06.181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/13/2022] [Accepted: 06/27/2022] [Indexed: 11/24/2022]
Abstract
Metallodrugs are important for anticancer treatments. They bind mainly to human serum albumin (HSA) in blood circulation, greatly modulating their pharmacokinetics and anticancer efficacy. Fatty acid (FA) is one of the most important endogenous ligands of HSA with tight binding to HSA and affecting its conformation. However, the effect of fatty acids on metallodrugs interaction with HSA is unknown. Here we identify the binding sites of a widely used metallodrug, cisplatin, in HSA in the presence or absence of a representative fatty acid, myristate, by X-ray crystallography. Our crystal structures indicate that the sidechain of residue Met548 becomes more exposed to solvent in the presence of fatty acid, and is the main Pt binding site together with Met329 in HSA:Myr:cisplatin ternary structure. An undoubted new Pt binding site is detected at His338 in the presence of fatty acid, and additional two sites are also identified at His146 and His440 + K436. In addition, we revealed the mechanism of cisplatin-induced HSA aggregation, which is due to the crosslinking between Met298 and His510 of two HSA molecules.
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Affiliation(s)
- Shanli Chen
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Cai Yuan
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Longguang Jiang
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Zhipu Luo
- Institute of Molecular Enzymology, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, 215123, China.
| | - Mingdong Huang
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China.
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