1
|
Bisaria I, Chauhan C, Muthu SA, Parvez S, Ahmad B. The effect of chrysin binding on the conformational dynamics and unfolding pathway of human serum albumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124332. [PMID: 38676982 DOI: 10.1016/j.saa.2024.124332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/20/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Studies on the interactions between ligands and proteins provide insights into how a possible medication alters the structures and activities of the target or carrier proteins. The natural flavonoid aglycone Chrysin (CHR) has demonstrated anti-inflammatory, antioxidant, antiapoptotic, neuroprotective, and antineoplastic effects, both in vitro and in vivo. In this work, we investigated the impact of CHR binding on the as-yet-unexplored conformation, dynamics, and unfolding mechanism of human serum albumin (HSA). We determined CHR binding to HSA domain-II with the association constant (Ka) of 2.70 ± 0.21 × 105 M-1. The urea-induced sequential unfolding mechanism of HSA was used to elucidate the debatable binding location of CHR. CHR binding induced both secondary and tertiary structural alterations in the protein as studied by far-UV circular dichroism and intrinsic fluorescence spectroscopy. Red edge excitation shift (REES) indicated a decrease in conformational dynamics of the protein on the complex formation. This suggested an ordered compact and spatial arrangement of the CHR-boundmolecule. The binding of CHR was found to significantly modulate the urea-induced unfolding pathway of HSA. Urea-induced unfolding pathway of HSA became a two-state process (N-U) from a three-state process (N-I-U). The interaction of CHR is found to increase the thermal stability of the protein by ∼4 °C. This study focuses on the fundamental sciences and demonstrates how prospective medication compounds can alter the dynamics and stability of protein structure.
Collapse
Affiliation(s)
- Ishita Bisaria
- Protein Assembly Laboratory, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Chanchal Chauhan
- Protein Assembly Laboratory, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India; Department of Molecular Medicine, School of Interdisciplinary Studies, Jamia Hamdard, New Delhi 110062, India
| | - Shivani A Muthu
- Protein Assembly Laboratory, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India; Department of Molecular Medicine, School of Interdisciplinary Studies, Jamia Hamdard, New Delhi 110062, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Basir Ahmad
- Protein Assembly Laboratory, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
| |
Collapse
|
2
|
Rahman S, Iram S, Rehman MT, Hussain A, Jan AT, Kim J. Study of Amiloride Binding to Human Serum Albumin: Insights from Thermodynamic, Spectroscopic, and Molecular Docking Investigations. Molecules 2023; 28:7688. [PMID: 38067419 PMCID: PMC10707572 DOI: 10.3390/molecules28237688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/10/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
This study was undertaken to investigate the interaction between the sodium channel blocker amiloride (AML) and human serum albumin (HSA). A combination of multi-spectroscopic techniques and computational methods were employed to identify the AML binding site on HSA and the forces responsible for the formation of the HSA-AML complex. Our findings revealed that AML specifically binds to Sudlow's site II, located in subdomain IIIA of HSA, and that the complex formed is stabilized using van der Waals hydrogen-bonding and hydrophobic interactions. FRET analysis showed that the distance between AML and Trp214 was optimal for efficient quenching. UV-Vis spectroscopy and circular dichroism indicated minor changes in the structure of HSA after AML binding, and molecular dynamics simulations (MDS) conducted over 100 ns provided additional evidence of stable HSA-AML-complex formation. This study enhances understanding of the interaction between AML and HSA and the mechanism responsible.
Collapse
Affiliation(s)
- Safikur Rahman
- Munshi Singh College, BR Ambedkar Bihar University, Muzaffarpur 845401, India;
| | - Sana Iram
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 712-749, Republic of Korea;
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (M.T.R.); (A.H.)
| | - Afzal Hussain
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (M.T.R.); (A.H.)
| | - Arif Tasleem Jan
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185234, India;
| | - Jihoe Kim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 712-749, Republic of Korea;
| |
Collapse
|
3
|
Lin J, Tang M, Meti MD, Liu Y, Han Q, Xu X, Zheng Y, He Z, Hu Z, Xu H. Exploring the binding mechanism of Ginsenoside Rd to Bovine Serum Albumin: Experimental studies and computational simulations. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.1915154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Jialiang Lin
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Min Tang
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Manjunath D. Meti
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Yong Liu
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Qingguo Han
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Xu Xu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Yuan Zheng
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Zhendan He
- College of Pharmacy, Shenzhen Technology University, Shenzhen, China
| | - Zhangli Hu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Hong Xu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, Guangdong Provincial Key Laboratory for Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| |
Collapse
|
4
|
Gadallah MI, Ali HRH, Askal HF, Saleh GA. Towards understanding of the interaction of certain carbapenems with protein via combined experimental and theoretical approach. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119005. [PMID: 33035884 DOI: 10.1016/j.saa.2020.119005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 09/18/2020] [Accepted: 09/22/2020] [Indexed: 05/16/2023]
Abstract
The interactions of the recent carbapenems; ertapenem (ERP) and meropenem (MRP); with serum albumin (SA) were closely investigated by a combined spectrofluorometric experimental and theoretical approach. The approach is based on the quenching of fluorescence intensity of bovine serum albumin (BSA) upon binding with different carbapenems. The quenching was observed at λem 333-340 nm after excitation at 280 nm. Mechanism of interaction was found to be static quenching through hydrophobic and H-bonding interactions and confirmed with molecular docking using MOE software. Binding constant, binding number were estimated for both MRP and ERP. Thermodynamic parameters including entropy change (ΔS), enthalpy change (ΔH) and free energy change (ΔG) were calculated at three different temperatures. Moreover, BSA configuration during binding was investigated via synchronous and 3D spectrofluorimetry. Förster resonance energy transfer calculated (FRET), integration interval (J) and distance (ro) between BSA and the studied drugs were calculated to confirm the static quenching.
Collapse
Affiliation(s)
- Mohamed I Gadallah
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt.
| | - Hassan Refat H Ali
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Hassan F Askal
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Gamal A Saleh
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| |
Collapse
|
5
|
Maikoo S, Chakraborty A, Vukea N, Dingle LMK, Samson WJ, de la Mare JA, Edkins AL, Booysen IN. Ruthenium complexes with mono- or bis-heterocyclic chelates: DNA/BSA binding, antioxidant and anticancer studies. J Biomol Struct Dyn 2020; 39:4077-4088. [DOI: 10.1080/07391102.2020.1775126] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Sanam Maikoo
- School of Chemistry and Physics, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Abir Chakraborty
- Biomedical Biotechnology Research Unit, Department of Biochemistry and Microbiology, Rhodes University, Grahamstown, South Africa
| | - Nyeleti Vukea
- Biomedical Biotechnology Research Unit, Department of Biochemistry and Microbiology, Rhodes University, Grahamstown, South Africa
| | | | - William John Samson
- Biomedical Biotechnology Research Unit, Department of Biochemistry and Microbiology, Rhodes University, Grahamstown, South Africa
| | - Jo-Anne de la Mare
- Biomedical Biotechnology Research Unit, Department of Biochemistry and Microbiology, Rhodes University, Grahamstown, South Africa
| | - Adrienne Lesley Edkins
- Biomedical Biotechnology Research Unit, Department of Biochemistry and Microbiology, Rhodes University, Grahamstown, South Africa
| | - Irvin Noel Booysen
- School of Chemistry and Physics, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| |
Collapse
|
6
|
Selva Sharma A, Viswadevarayalu A, Bharathi AC, Anand K, Ali S, Li H, Ibrahim BS, Chen Q. Unravelling the distinctive mode of cooperative and independent interaction mechanism of 1-butyl-2,3-dimethylimidazolium tetrafluoroborate ionic liquid with model transport proteins by comprehensive spectroscopic and computational studies. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127591] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
|
7
|
Naik R, Jaldappagari S. Spectral and computational attributes: Binding of a potent anticancer agent, dasatinib to a transport protein. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111492] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
|
8
|
Lee WQ, Ahamed Kameel NI, Mohamad S, Tayyab S. Comparison of pendimethalin binding properties of serum albumins from various mammalian species. TURKISH JOURNAL OF BIOCHEMISTRY 2019. [DOI: 10.1515/tjb-2018-0031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Background
To investigate the interaction of pendimethalin (PM), a commonly used herbicide, with various mammalian serum albumins.
Methods
The interactions of PM with serum albumins of bovine (BSA), sheep (SSA), porcine (PSA) and rabbit (RbSA) were studied using fluorescence quenching titration and site marker displacement experiments.
Results
A comparison of the PM-induced quenching of the fluorescence of these albumins with that published for human serum albumin (HSA) showed similarity between BSA and HSA. The PM binding affinity of these albumins was found to follow the order: SSA>BSA>RbSA>PSA. Warfarin (WFN) displacement results also suggested similar displacing action of PM on WFN-BSA complex, when compared to the published results on WFN-HSA complex.
Conclusion
The results suggested close similarity between BSA and HSA in terms of PM binding characteristics and hence bovine can be selected as a suitable animal model for further toxicological studies of PM.
Collapse
|
9
|
Rahman S, Rehman MT, Rabbani G, Khan P, AlAjmi MF, Hassan MI, Muteeb G, Kim J. Insight of the Interaction between 2,4-thiazolidinedione and Human Serum Albumin: A Spectroscopic, Thermodynamic and Molecular Docking Study. Int J Mol Sci 2019; 20:E2727. [PMID: 31163649 PMCID: PMC6600547 DOI: 10.3390/ijms20112727] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 05/25/2019] [Accepted: 05/30/2019] [Indexed: 12/25/2022] Open
Abstract
Thiazolidinedione derivatives (TZDs) have attracted attention because of their pharmacological effects. For example, certain TZDs have been reported to ameliorate type II diabetes by binding and activating PPARs (peroxisome proliferator-activated receptors). Nonetheless, no information is available on the interaction between the heterocyclic 2, 4-thiazolidinedione (2,4-TZD) moiety and serum albumin, which could affect the pharmacokinetics and pharmacodynamics of TZDs. In this study, we investigated the binding of 2,4-TZD to human serum albumin (HSA). Intrinsic fluorescence spectroscopy revealed a 1:1 binding stoichiometry between 2,4-TZD and HSA with a binding constant (Kb) of 1.69 ± 0.15 × 103 M-1 at 298 K. Isothermal titration calorimetry studies showed that 2,4-TZD/HSA binding was an exothermic and spontaneous reaction. Molecular docking analysis revealed that 2,4-TZD binds to HSA subdomain IB and that the complex formed is stabilized by van der Waal's interactions and hydrogen bonds. Molecular dynamics simulation confirmed the stability of the HSA-TZD complex. Further, circular dichroism and 3D fluorescence studies showed that the global conformation of HSA was slightly altered by 2,4-TZD binding, enhancing its stability. The results obtained herein further help in understanding the pharmacokinetic properties of thiazolidinedione.
Collapse
Affiliation(s)
- Safikur Rahman
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 712-749, Korea.
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Gulam Rabbani
- Nano Diagnostics; Devices (NDD), Room B-312 IT, Medical Fusion Center, Gumidae-ro, 350-27, Gumi-si, Gyeongbuk 39253, Korea.
| | - Parvez Khan
- Center for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India.
| | - Mohamed F AlAjmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Md Imtaiyaz Hassan
- Center for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India.
| | - Ghazala Muteeb
- Department of Nursing, College of Applied Medical Sciences, King Faisal University, 31982 Al-Ahsa, Saudi Arabia.
| | - Jihoe Kim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 712-749, Korea.
| |
Collapse
|
10
|
Hussain A, AlAjmi MF, Rehman MT, Amir S, Husain FM, Alsalme A, Siddiqui MA, AlKhedhairy AA, Khan RA. Copper(II) complexes as potential anticancer and Nonsteroidal anti-inflammatory agents: In vitro and in vivo studies. Sci Rep 2019; 9:5237. [PMID: 30918270 PMCID: PMC6437194 DOI: 10.1038/s41598-019-41063-x] [Citation(s) in RCA: 146] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 02/18/2019] [Indexed: 02/02/2023] Open
Abstract
Copper-based compounds are promising entities for target-specific next-generation anticancer and NSAIDS therapeutics. In lieu of this, benzimidazole scaffold plays an important role, because of their wide variety of potential functionalizations and coordination modes. Herein, we report three copper complexes 1-3 with benzimidazole-derived scaffolds, a biocompatible molecule, and secondary ligands viz, 1-10-phenanthroline and 2,2'-bipyridyl. All the copper complexes have been designed, synthesized and adequately characterized using various spectroscopic techniques. In-vitro, human serum albumin (HSA) binding was also carried out using fluorescence technique and in-silico molecular modeling studies, which exhibited significant binding affinities of the complexes with HSA. Furthermore, copper complexes 1-3 were tested for biological studies, i.e., anticancer as well as NSAIDS. In vitro cytotoxicity results were carried out on cultured MCF-7 cell lines. To get the insight over the mechanism of action, GSH depletion and change in lipid peroxidation were tested and thus confirmed the role of ROS generation, responsible for the cytotoxicity of the complexes 1-3. Moreover, the copper complexes 1-3 were tested for potential to act as NSAIDS on albino rats and mice in animal studies in-vivo. Additionally, we also predicted the mechanism of action of the copper complexes 1-3 using molecular modeling studies with COX-2 inhibitor.
Collapse
Affiliation(s)
- Afzal Hussain
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Mohamed Fahad AlAjmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Samira Amir
- Department of Chemistry, College of Science and General Studies, Alfaisal University, Riyadh, Saudi Arabia
| | - Fohad Mabood Husain
- Department of Food Science and Nutrition, Faculty of Food and Agricultural Sciences, King Saud University, 2460, Riyadh, 11451, Saudi Arabia
| | - Ali Alsalme
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Maqsood Ahmad Siddiqui
- Al-Jeraisy Chair for DNA Research, Zoology Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Abdulaziz A AlKhedhairy
- Al-Jeraisy Chair for DNA Research, Zoology Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Rais Ahmad Khan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia.
| |
Collapse
|
11
|
Das S, Santra S, Rohman MA, Ray M, Jana M, Singha Roy A. An insight into the binding of 6-hydroxyflavone with hen egg white lysozyme: a combined approach of multi-spectroscopic and computational studies. J Biomol Struct Dyn 2018; 37:4019-4034. [DOI: 10.1080/07391102.2018.1535451] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Sourav Das
- Department of Chemistry, National Institute of Technology, Meghalaya, Shillong, India
| | - Santanu Santra
- Molecular Simulation Laboratory, Department of Chemistry, National Institute of Technology, Rourkela, India
| | - Mostofa Ataur Rohman
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
| | - Mahuah Ray
- Department of Chemistry, National Institute of Technology, Meghalaya, Shillong, India
| | - Madhurima Jana
- Molecular Simulation Laboratory, Department of Chemistry, National Institute of Technology, Rourkela, India
| | - Atanu Singha Roy
- Department of Chemistry, National Institute of Technology, Meghalaya, Shillong, India
| |
Collapse
|
12
|
AlAjmi MF, Hussain A, Rehman MT, Khan AA, Shaikh PA, Khan RA. Design, Synthesis, and Biological Evaluation of Benzimidazole-Derived Biocompatible Copper(II) and Zinc(II) Complexes as Anticancer Chemotherapeutics. Int J Mol Sci 2018; 19:ijms19051492. [PMID: 29772746 PMCID: PMC5983663 DOI: 10.3390/ijms19051492] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 05/07/2018] [Accepted: 05/12/2018] [Indexed: 01/10/2023] Open
Abstract
Herein, we have synthesized and characterized a new benzimidazole-derived “BnI” ligand and its copper(II) complex, [Cu(BnI)2], 1, and zinc(II) complex, [Zn(BnI)2], 2, using elemental analysis and various spectroscopic techniques. Interaction of complexes 1 and 2 with the biomolecules viz. HSA (human serum albumin) and DNA were studied using absorption titration, fluorescence techniques, and in silico molecular docking studies. The results exhibited the significant binding propensity of both complexes 1 and 2, but complex 1 showed more avid binding to HSA and DNA. Also, the nuclease activity of 1 and 2 was analyzed for pBR322 DNA, and the results obtained confirmed the potential of the complexes to cleave DNA. Moreover, the mechanistic pathway was studied in the presence of various radical scavengers, which revealed that ROS (reactive oxygen species) are responsible for the nuclease activity in complex 1, whereas in complex 2, the possibility of hydrolytic cleavage also exists. Furthermore, the cytotoxicity of the ligand and complexes 1 and 2 were studied on a panel of five different human cancer cells, namely: HepG2, SK-MEL-1, HT018, HeLa, and MDA-MB 231, and compared with the standard drug, cisplatin. The results are quite promising against MDA-MB 231 (breast cancer cell line of 1), with an IC50 value that is nearly the same as the standard drug. Apoptosis was induced by complex 1 on MDA-MB 231 cells predominantly as studied by flow cytometry (FACS). The adhesion and migration of cancer cells were also examined upon treatment of complexes 1 and 2. Furthermore, the in vivo chronic toxicity profile of complexes 1 and 2 was also studied on all of the major organs of the mice, and found them to be less toxic. Thus, the results warrant further investigations of complex 1.
Collapse
Affiliation(s)
- Mohamed F AlAjmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia.
| | - Afzal Hussain
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia.
| | - Md Tabish Rehman
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia.
| | - Azmat Ali Khan
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia.
| | - Perwez Alam Shaikh
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia.
| | - Rais Ahmad Khan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
| |
Collapse
|
13
|
Arumugam SS, Subramanian N, Malaichamy I. New insights into the dimerization and site-specific cooperative interaction of Azure B with model transport proteins by spectroscopic and computational studies. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 164:212-225. [DOI: 10.1016/j.jphotobiol.2016.09.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Revised: 09/05/2016] [Accepted: 09/08/2016] [Indexed: 12/16/2022]
|
14
|
Rehman MT, Ahmed S, Khan AU. Interaction of meropenem with ‘N’ and ‘B’ isoforms of human serum albumin: a spectroscopic and molecular docking study. J Biomol Struct Dyn 2015; 34:1849-64. [DOI: 10.1080/07391102.2015.1094411] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Md. Tabish Rehman
- Medical Microbiology and Molecular Biology Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, UP 202 002, India
| | - Sarfraz Ahmed
- Medical Microbiology and Molecular Biology Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, UP 202 002, India
| | - Asad U. Khan
- Medical Microbiology and Molecular Biology Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, UP 202 002, India
| |
Collapse
|
15
|
Peng X, Qi W, Huang R, Su R, He Z. Elucidating the influence of gold nanoparticles on the binding of salvianolic acid B and rosmarinic acid to bovine serum albumin. PLoS One 2015; 10:e0118274. [PMID: 25861047 PMCID: PMC4393081 DOI: 10.1371/journal.pone.0118274] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Accepted: 01/13/2015] [Indexed: 12/21/2022] Open
Abstract
Salvianolic acid B and rosmarinic acid are two main water-soluble active ingredients from Salvia miltiorrhiza with important pharmacological activities and clinical applications. The interactions between salvianolic acid B (or rosmarinic acid) and bovine serum albumin (BSA) in the presence and absence of gold nanoparticles (Au NPs) with three different sizes were investigated by using biophysical methods for the first time. Experimental results proved that two components quenched the fluorescence of BSA mainly through a static mechanism irrespective of the absence or presence of Au NPs. The presence of Au NPs decreased the binding constants of salvianolic acid B with BSA from 27.82% to 10.08%, while Au NPs increased the affinities of rosmarinic acid for BSA from 0.4% to 14.32%. The conformational change of BSA in the presence of Au NPs (caused by a noncompetitive binding between Au NPs and drugs at different albumin sites) induced changeable affinity and binding distance between drugs and BSA compared with no Au NPs. The competitive experiments revealed that the site I (subdomain IIA) of BSA was the primary binding site for salvianolic acid B and rosmarinic acid. Additionally, two compounds may induce conformational and micro-environmental changes of BSA. The results would provide valuable binding information between salvianolic acid B (or rosmarinic acid) and BSA, and also indicated that the Au NPs could alter the interaction mechanism and binding capability of drugs to BSA, which might be beneficial to understanding the pharmacokinetics and biological activities of the two drugs.
Collapse
Affiliation(s)
- Xin Peng
- School of Life Sciences, Tianjin University, Tianjin 300072, PR China
- Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
| | - Wei Qi
- Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, PR China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, PR China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Renliang Huang
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, PR China
| | - Rongxin Su
- Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, PR China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, PR China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Zhimin He
- Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
- State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, PR China
| |
Collapse
|
16
|
Effects of 2-amino-8-hydroxyquinoline interaction on the conformation of physiological isomers of human serum albumin. EUROPEAN BIOPHYSICS JOURNAL: EBJ 2015; 44:193-205. [PMID: 25761396 DOI: 10.1007/s00249-015-1014-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 02/14/2015] [Accepted: 02/20/2015] [Indexed: 10/23/2022]
Abstract
The methods of synthetic chemistry create small molecules rapidly for screening, and ligand-protein interaction studies provide information on how a potential drug interacts with target or carrier proteins such as serum albumin. In this work, we investigate the interaction of amino derivative of 8-hydroxyquinoline, 2-amino-8-hydroxyquinoline (A8HQ), and the effects of its binding on the conformation of different isomers of human serum albumin (HSA) using multispectroscopic techniques and molecular modeling. We found that B isomer, which exists at pH 9, bound A8HQ (K a = 1.92 ± 0.07 × 10(5) M(-1) at 298 K) more strongly as compared with N isomer (K a = 1.19 ± 0.04 × 10(5) M(-1) at 298 K) of HSA, which is known to exist around pH 6. The binding constant at physiological pH (7.4) was also determined, and the value (K a = 1.38 ± 0.05 × 10(5) M(-1) at 298 K) was found to fall between those for N and B isomers, suggesting that both the N and B isomers exist in an equilibrium in plasma. We also determined the thermodynamic parameters such as changes in enthalpy, entropy , and free energy of binding by measuring the binding at four different temperatures. Based on molecular modeling and thermodynamic studies, we propound that the A8HQ-HSA binding involves mainly hydrophobic interactions and hydrogen bonding. Site-specific marker displacement experiments and molecular modeling showed that the molecule preferably binds in subdomain IIA close to Trp214. A8HQ binding to HSA isomers was found to cause both secondary and tertiary structural alterations in the protein.
Collapse
|
17
|
Wang Q, Sun Q, Tang P, Tang B, He J, Ma X, Li H. Determination of potential main sites of apixaban binding in human serum albumin by combined spectroscopic and docking investigations. RSC Adv 2015. [DOI: 10.1039/c5ra15430h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Probing apixaban binding to human serum albumin: combining spectroscopic methods and docking investigations.
Collapse
Affiliation(s)
- Qing Wang
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Qiaomei Sun
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Peixiao Tang
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Bin Tang
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Jiawei He
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Xiaoli Ma
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| | - Hui Li
- College of Chemical Engineering
- Sichuan University
- Chengdu 610065
- People's Republic of China
| |
Collapse
|
18
|
Ratnaparkhi A, Muthu SA, Shiriskar SM, Pissurlenkar RR, Choudhary S, Ahmad B. Effects of hesperidin, a flavanone glycoside interaction on the conformation, stability, and aggregation of lysozyme: multispectroscopic and molecular dynamic simulation studies? J Biomol Struct Dyn 2014; 33:1866-79. [DOI: 10.1080/07391102.2014.975746] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
19
|
Li S, Chen JX, Xiang QX, Zhang LQ, Zhou CH, Xie JQ, Yu L, Li FZ. The synthesis and activities of novel mononuclear or dinuclear cyclen complexes bearing azole pendants as antibacterial and antifungal agents. Eur J Med Chem 2014; 84:677-86. [PMID: 25064345 DOI: 10.1016/j.ejmech.2014.07.075] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2013] [Revised: 07/19/2014] [Accepted: 07/21/2014] [Indexed: 11/16/2022]
Abstract
A series of novel compounds containing 1,4,7,10-tetraazacyclododecane and azoles were synthesized and characterized by (1)H NMR, MS and elemental analysis. Bioactive assay manifested that some target compounds, such as 11a, 11b and 11d, displayed good and broad spectrum antimicrobial activities with relative low MIC values against most of tested strains. These dinuclear complexes gave comparable or even better antimicrobial efficiencies than the reference drugs Fluconazole and Chloromycin. The result showed that the metal ions were the key factors to enhance the antimicrobial activities for mononuclear or dinuclear complexed in varying degrees. The interaction evaluation of compound 11b with bovine serum albumin (BSA) as an example was tested by fluorescence method. The thermodynamic parameters indicated that the hydrogen bonds and van der waals forces played the major roles in the strong association between dinuclear compound and BSA. The CCK-8 tests also confirmed the safeties of these dinuclear compounds in vitro.
Collapse
Affiliation(s)
- Shuo Li
- School of Chemical Engineering, Chongqing University of Technology, Chongqing 400054, People's Republic of China.
| | - Jia-Xuan Chen
- Department of Chemistry, Leshan Normal University, Leshan, Sichuan 614000, People's Republic of China
| | - Qing-Xiang Xiang
- Department of Chemistry, Leshan Normal University, Leshan, Sichuan 614000, People's Republic of China.
| | - Li-Qun Zhang
- Department of Chemistry, Leshan Normal University, Leshan, Sichuan 614000, People's Republic of China
| | - Cheng-He Zhou
- Laboratory of Bioorganic & Medicinal Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
| | - Jia-Qing Xie
- School of Chemical Engineering, Chongqing University of Technology, Chongqing 400054, People's Republic of China
| | - Lan Yu
- School of Chemical Engineering, Chongqing University of Technology, Chongqing 400054, People's Republic of China
| | - Fang-Zhen Li
- School of Chemical Engineering, Chongqing University of Technology, Chongqing 400054, People's Republic of China
| |
Collapse
|
20
|
Rehman MT, Shamsi H, Khan AU. Insight into the binding mechanism of imipenem to human serum albumin by spectroscopic and computational approaches. Mol Pharm 2014; 11:1785-97. [PMID: 24745377 DOI: 10.1021/mp500116c] [Citation(s) in RCA: 172] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The mechanism of interaction between imipenem and HSA was investigated by various techniques like fluorescence, UV.vis absorbance, FRET, circular dichroism, urea denaturation, enzyme kinetics, ITC, and molecular docking. We found that imipenem binds to HSA at a high affinity site located in subdomain IIIA (Sudlow's site I) and a low affinity site located in subdomain IIA.IIB. Electrostatic interactions played a vital role along with hydrogen bonding and hydrophobic interactions in stabilizing the imipenem.HSA complex at subdomain IIIA, while only electrostatic and hydrophobic interactions were present at subdomain IIA.IIB. The binding and thermodynamic parameters obtained by ITC showed that the binding of imipenem to HSA was a spontaneous process (ΔGD⁰(D)= -32.31 kJ mol(-1) for high affinity site and ΔGD⁰(D) = -23.02 kJ mol(-1) for low affinity site) with binding constants in the range of 10(4)-10(5) M(-1). Spectroscopic investigation revealed only one binding site of imipenem on HSA (Ka∼10(4) M(-1)). FRET analysis showed that the binding distance between imipenem and HSA (Trp-214) was optimal (r = 4.32 nm) for quenching to occur. Decrease in esterase-like activity of HSA in the presence of imipenem showed that Arg-410 and Tyr-411 of subdomain IIIA (Sudlow's site II) were directly involved in the binding process. CD spectral analysis showed altered conformation of HSA upon imipenem binding. Moreover, the binding of imipenem to subdomain IIIA (Sudlow's site II) of HSA also affected its folding pathway as clear from urea-induced denaturation studies.
Collapse
Affiliation(s)
- Md Tabish Rehman
- Medical Microbiology and Molecular Biology Laboratory, Interdisciplinary Biotechnology Unit, Aligarh Muslim University , Aligarh, Uttar Pradesh, 202 002, India
| | | | | |
Collapse
|
21
|
Li M, Lee P, Zhang Y, Ma Z, Yang F, Zhou Z, Wu X, Liang H. X-ray Crystallographic and Fluorometric Analysis of the Interactions of Rhein to Human Serum Albumin. Chem Biol Drug Des 2013; 83:167-73. [DOI: 10.1111/cbdd.12208] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 07/25/2013] [Accepted: 08/12/2013] [Indexed: 01/30/2023]
Affiliation(s)
- Mei Li
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 Hunan China
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; Guangxi Normal University; Guilin 541004 Guangxi China
| | - Philbert Lee
- Ben May Department for Cancer Research; University of Chicago; Chicago 60637 IL USA
| | - Yao Zhang
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; Guangxi Normal University; Guilin 541004 Guangxi China
| | - ZhiYuan Ma
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; Guangxi Normal University; Guilin 541004 Guangxi China
| | - Feng Yang
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; Guangxi Normal University; Guilin 541004 Guangxi China
| | - ZuPing Zhou
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; Guangxi Normal University; Guilin 541004 Guangxi China
| | - XiaoYang Wu
- Ben May Department for Cancer Research; University of Chicago; Chicago 60637 IL USA
| | - Hong Liang
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 Hunan China
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources; Ministry of Science and Technology of China; Guangxi Normal University; Guilin 541004 Guangxi China
| |
Collapse
|