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Khan MS, Al-Twaijry N, Alotaibi FN, Alenad AM, Alokail MS, Arshad M, Al Kheraif AA, Elrobh M, Shaik GM. Unveiling the Detrimental Effect of Glipizide on Structure and Function of Catalase: Spectroscopic, Thermodynamics and Simulation Studies. J Fluoresc 2024:10.1007/s10895-024-03792-9. [PMID: 38913089 DOI: 10.1007/s10895-024-03792-9] [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: 04/29/2024] [Accepted: 06/06/2024] [Indexed: 06/25/2024]
Abstract
Free radicals, products of oxidative processes, induce cellular damage linked to diseases like Parkinson's and diabetes due to increased reactive oxygen species (ROS) levels. Catalase, crucial for scavenging ROS, emerges as a therapeutic agent against ailments including atherosclerosis and tumor progression. Its primary function involves breaking down hydrogen peroxide into water and oxygen. Research on catalase-drug interactions reveals structural changes under specific conditions, affecting its activity and cellular antioxidant balance, highlighting its pivotal role in defending against oxidative stress-related diseases. Hence, targeting catalase is considered an effective strategy for controlling ROS-induced cellular damage. This study investigates the interaction between bovine liver catalase and glipizide using spectroscopic and computational methods. It also explores glipizide's effect on catalase activity. More than 20% inhibition of catalase enzymatic activity was recorded in the presence of 50 µM glipizide. To investigate the inhibition of catalase activity by glipizide, we performed a series of binding studies. Glipizide was found to form a complex with catalase with moderate affinity and binding constant in the range of 3.822 to 5.063 × 104 M-1. The binding was spontaneous and entropically favourable. The α-helical content of catalase increased from 24.04 to 29.53% upon glipizide complexation. Glipizide binding does not alter the local environment surrounding the tyrosine residues while a notable decrease in polarity around the tryptophan residues of catalase was recorded. Glipizide interacted with numerous active site residues of catalase including His361, Tyr357, Ala332, Asn147, Arg71, and Thr360. Molecular simulations revealed that the catalase-glipizide complex remained relatively stable in an aqueous environment. The binding of glipizide had a negligible effect on the secondary structure of catalase, and hydrogen bonds persisted consistently throughout the trajectory. These results could aid in the development of glipizide as a potent catalase inhibitor, potentially reducing the impact of reactive oxygen species (ROS) in the human body.
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Affiliation(s)
- Mohd Shahnawaz Khan
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia.
| | - Nojood Al-Twaijry
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Fai N Alotaibi
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Amal M Alenad
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Majed S Alokail
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Mohammed Arshad
- College of Applied Medical Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Mohamed Elrobh
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Gouse M Shaik
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
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Crago M, Lee A, Hoang TP, Talebian S, Naficy S. Protein adsorption on blood-contacting surfaces: A thermodynamic perspective to guide the design of antithrombogenic polymer coatings. Acta Biomater 2024; 180:46-60. [PMID: 38615811 DOI: 10.1016/j.actbio.2024.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/16/2024]
Abstract
Blood-contacting medical devices often succumb to thrombosis, limiting their durability and safety in clinical applications. Thrombosis is fundamentally initiated by the nonspecific adsorption of proteins to the material surface, which is strongly governed by thermodynamic factors established by the nature of the interaction between the material surface, surrounding water molecules, and the protein itself. Along these lines, different surface materials (such as polymeric, metallic, ceramic, or composite) induce different entropic and enthalpic changes at the surface-protein interface, with material wettability significantly impacting this behavior. Consequently, protein adsorption on medical devices can be modulated by altering their wettability and surface energy. A plethora of polymeric coating modifications have been utilized for this purpose; hydrophobic modifications may promote or inhibit protein adsorption determined by van der Waals forces, while hydrophilic materials achieve this by mainly relying on hydrogen bonding, or unbalanced/balanced electrostatic interactions. This review offers a cohesive understanding of the thermodynamics governing these phenomena, to specifically aid in the design and selection of hemocompatible polymeric coatings for biomedical applications. STATEMENT OF SIGNIFICANCE: Blood-contacting medical devices often succumb to thrombosis, limiting their durability and safety in clinical applications. A plethora of polymeric coating modifications have been utilized for addressing this issue. This review offers a cohesive understanding of the thermodynamics governing these phenomena, to specifically aid in the design and selection of hemocompatible polymeric coatings for biomedical applications.
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Affiliation(s)
- Matthew Crago
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2008, Australia
| | - Aeryne Lee
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2008, Australia
| | - Thanh Phuong Hoang
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2008, Australia
| | - Sepehr Talebian
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2008, Australia.
| | - Sina Naficy
- School of Chemical and Biomolecular Engineering, The University of Sydney, Darlington, NSW 2008, Australia.
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Comparison of the interactions of fanetizole with pepsin and trypsin: Spectroscopic and molecular docking approach. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Sadat Mostafavi E, Asoodeh A, Chamani J. Evaluation of interaction between Ponceau 4R (P4R) and trypsin using kinetic, spectroscopic, and molecular dynamics simulation methods. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Moradi S, Ahmadi P, Karami C, Farhadian N, Balaei F, Ansari M, Shahlaei M. Evaluation of the effects of isoniazid and rifampin on the structure and activity of pepsin enzyme by multi spectroscopy and molecular modeling methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 253:119523. [PMID: 33621938 DOI: 10.1016/j.saa.2021.119523] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/09/2021] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
Pepsin is an aspartic protease that is involved in the digestion of food in the stomach of mammals. Continuous and long-term use of therapeutic agents will cause chronic contact of the drug with pepsin, and as a result, the structure and function of enzyme may change. In this regard the interactions of isoniazid and rifampin as the first line treatments of tuberculosis with pepsin were investigated by various methods such as fluorescence spectroscopy, FTIR, molecular docking and molecular dynamics simulation. Based on the results obtained in this study, the mentioned drugs can form stable complexes with pepsin and the structure of protein changes slightly. According to the results, the major forces in the formation of the protein-drug complex are electrostatic and hydrophobic forces for isoniazid and rifampin respectively and isoniazid shows to form a stronger binding with protein. The FTIR spectrum of the protein shows that little change was occurred in the structure of pepsin in the presence of the drugs. Molecular modeling results of the binding of isoniazid and rifampin to the pepsin confirm laboratory results and show that the binding site of drugs is close to the active site of the enzyme. Also, the activity of pepsin in the presence of both drugs has significantly increased.
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Affiliation(s)
- Sajad Moradi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Pourya Ahmadi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Changiz Karami
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negin Farhadian
- Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Balaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohabbat Ansari
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Shahlaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Moradi S, Gholami H, Karami C, Farhadian N, Balaei F, Ansari M, Shahlaei M. A study on the protease activity and structure of pepsin in the presence of atenolol and diltiazem. Int J Biol Macromol 2020; 165:2855-2868. [PMID: 33096169 DOI: 10.1016/j.ijbiomac.2020.10.118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/04/2020] [Accepted: 10/14/2020] [Indexed: 11/18/2022]
Abstract
Pepsin, as the main protease of the stomach, plays an important role in the digestion of food proteins into smaller peptides and performs about 20% of the digestive function. The role of pepsin in the development of gastrointestinal ulcers has also been studied for many years. Edible drugs that enter the body through the gastrointestinal tract will interact with this enzyme as one of the first targets. Continuous and long-term usage of some drugs will cause chronic contact of the drug with this protein, and as a result, the structure and function of pepsin may be affected. Therefore, the possible effect of atenolol and diltiazem on the structure and activity of pepsin was studied. The interaction of drugs with pepsin was evaluated using various experimental methods including UV-Visible spectroscopy, fluorescence spectroscopy, FTIR and enzymatic activity along with computational approaches. It was showed that after binding of atenolol and diltiazem to pepsin, the inherent fluorescence of the protein is quenched. Determination of the thermodynamic parameters of interactions between atenolol and diltiazem with pepsin indicates that the major forces in the formation of the protein-drug complexes are hydrophobic forces and also atenolol has a stronger protein bonding than diltiazem. Additional tests also show that the protease activity of pepsin, decreases and increases in the presence of atenolol and diltiazem, respectively. Investigation of the FTIR spectrum of the protein in the presence and absence of atenolol and diltiazem show that in the presence of atenolol the structure of protein has slightly changed. Molecular modeling studies, in agreement with the experimental results, confirm the binding of atenolol and diltiazem to the enzyme pepsin and show that the drugs are bind close to the active site of the enzyme. Finally, from experimental and computational results, it can be concluded that atenolol and diltiazem interact with the pepsin and change its structure and protease activity.
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Affiliation(s)
- Sajad Moradi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hadi Gholami
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Changiz Karami
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negin Farhadian
- Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Balaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohabbat Ansari
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohsen Shahlaei
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Wang X, Yue Y, Zhang Y, Wang Z, Liu J, Tang Q. Probing the interaction of pepsin with imidacloprid via DFT calculation, spectroscopic approaches and molecular docking. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.07.061] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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