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Fayzullina D, Kharwar RK, Acharya A, Buzdin A, Borisov N, Timashev P, Ulasov I, Kapomba B. FNC: An Advanced Anticancer Therapeutic or Just an Underdog? Front Oncol 2022; 12:820647. [PMID: 35223502 PMCID: PMC8867032 DOI: 10.3389/fonc.2022.820647] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/13/2022] [Indexed: 12/14/2022] Open
Abstract
Azvudine (FNC) is a novel cytidine analogue that has both antiviral and anticancer activities. This minireview focuses on its underlying molecular mechanisms of suppressing viral life cycle and cancer cell growth and discusses applications of this nucleoside drug for advanced therapy of tumors and malignant blood diseases. FNC inhibits positive-stand RNA viruses, like HCV, EV, SARS-COV-2, HBV, and retroviruses, including HIV, by suppressing their RNA-dependent polymerase enzymes. It may also inhibit such enzyme (reverse transcriptase) in the human retrotransposons, including human endogenous retroviruses (HERVs). As the activation of retrotransposons can be the major factor of ongoing cancer genome instability and consequently higher aggressiveness of tumors, FNC has a potential to increase the efficacy of multiple anticancer therapies. Furthermore, FNC also showed other aspects of anticancer activity by inhibiting adhesion, migration, invasion, and proliferation of malignant cells. It was also reported to be involved in cell cycle arrest and apoptosis, thereby inhibiting the progression of cancer through different pathways. To the date, the grounds of FNC effects on cancer cells are not fully understood and hence additional studies are needed for better understanding molecular mechanisms of its anticancer activities to support its medical use in oncology.
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Affiliation(s)
- Daria Fayzullina
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Rajesh Kumar Kharwar
- Endocrine Research Lab, Department of Zoology, Kutir Post Graduate College, Chakkey, Jaunpur, India
| | - Arbind Acharya
- Tumor Immunology Lab, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Anton Buzdin
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Nicolas Borisov
- Department of Medical and Biological Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Peter Timashev
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Ilya Ulasov
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Byron Kapomba
- Department of General Surgery, Parirenyatwa Group of Hospitals, Harare, Zimbabwe,*Correspondence: Byron Kapomba,
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Chi Z, Weng L, Zhang X. Investigation on the interaction between Ag + and bovine hemoglobin using spectroscopic methods. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2021; 56:1367-1372. [PMID: 34727821 DOI: 10.1080/10934529.2021.1999163] [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: 07/02/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
Silver ions (Ag+) can be released by silver nanoparticles (AgNPs) which are widely used in diverse fields. Ag+ can exist inside cells to produce cytotoxicity. This report uses spectroscopic methods to reveal the interactions between Ag+ and bovine hemoglobin (BHb). The results of the quenching rate constant (Kq) and the fluorescence lifetime detection showed that the quenching mechanism of BHb by Ag+ was static. Thermodynamic investigations indicated that Ag+ can interact with BHb with one binding site to form complex mainly through van der Waals interactions and hydrogen bonds. The UV-vis absorption and synchronous fluorescence spectra showed that Ag+ changed the conformation of BHb, which may affect protein functions. This research is favorable for understanding the molecular toxic mechanism of Ag+ in vivo.
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Affiliation(s)
- Zhenxing Chi
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Weihai, PR China
| | - Ling Weng
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Weihai, PR China
| | - Xunuo Zhang
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Weihai, PR China
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Aylaz G, Andaç M, Denizli A, Duman M. Recognition of human hemoglobin with macromolecularly imprinted polymeric nanoparticles using non-covalent interactions. J Mol Recognit 2021; 34:e2935. [PMID: 34472144 DOI: 10.1002/jmr.2935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/03/2021] [Accepted: 08/23/2021] [Indexed: 11/07/2022]
Abstract
Hemoglobin (Hb) is the most abundant protein in the blood. It is vital for the living as oxygen carriers. Some of the very pure Hb-containing biological fluids are currently under clinical trial. However, the removal and purification of Hb from the blood are quite difficult, especially when it is at a low concentration level. In this study, the molecularly imprinted polymeric nanoparticles (MIPNs) were prepared using N-methacryloyl-histidine methyl ester (MAH) by mini-emulsion polymerization technique for specific binding of human hemoglobin (HHb). MIPNs in monosize form have a size of 152 ± 4 nm. They also have a high binding capacity (32.33 mg/g) of HHb. MIPNs retain 84% of the re-binding capacity for HHb after 10 cycles. The nanoparticles have 16 and 5 times higher binding capacity of HHb, respectively, in the presence of bovine serum albumin and lysozyme. Thanks to their high binding capacity and selectivity, MIPNs will allow them to be detected selectively for different target molecules. According to molecular docking, the main binding forces depend on hydrogen bonds and Van der Waals forces in the interaction within 5 Å around MAH molecule are observed through the amino acid residues of HHb at β1 and β2 subunit. The statistical mechanical analysis of docking showed that the free energy (ΔG) is -2732.14 kcal/mol, which indicates the interaction between MAH and HHb is energetically favorable at 298.15°K.
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Affiliation(s)
- Gülgün Aylaz
- Institute of Science, Nanotechnology and Nanomedicine Division, Hacettepe University, Ankara, Turkey
| | - Müge Andaç
- Faculty of Engineering, Environmental Engineering Department, Hacettepe University, Ankara, Turkey
| | - Adil Denizli
- Faculty of Science, Department of Chemistry, Hacettepe University, Ankara, Turkey
| | - Memed Duman
- Institute of Science, Nanotechnology and Nanomedicine Division, Hacettepe University, Ankara, Turkey
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Gan Y, Bai N, Li X, Gao S, Wang R. A study of the binding between radicicol and four proteins by means of spectroscopy and molecular docking. JOURNAL OF CHEMICAL RESEARCH 2021. [DOI: 10.1177/1747519821993068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The interactions between radicicol and four proteins (catalase, trypsin, pepsin, and human serum protein) are investigated by spectroscopic techniques and molecular docking. A static quenching process is confirmed. The binding constant value between radicicol and human serum protein is the largest among the four proteins. Results reveal changes in the micro-environment of the protein by the addition of radicicol. It is found that radicicol shows an inhibitory effect on the activity of proteins (catalase, trypsin, and pepsin). Molecular docking results are consistent with the thermodynamic experimental results. This work provides clues to the elucidation of the mechanisms of the interactions between radicicol and proteins.
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Affiliation(s)
- Ya Gan
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, P.R. China
| | - Ning Bai
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, P.R. China
| | - Xitong Li
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, P.R. China
| | - Shuiting Gao
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, P.R. China
| | - Ruiyong Wang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, P.R. China
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Rahmanifar E, Miroliaei M. Differential effect of biophenols on attenuation of AGE-induced hemoglobin aggregation. Int J Biol Macromol 2020; 151:797-805. [PMID: 32061846 DOI: 10.1016/j.ijbiomac.2020.02.127] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/10/2020] [Accepted: 02/12/2020] [Indexed: 02/06/2023]
Abstract
Despite most studied activities of natural biophenols rely on antioxidant properties, little clues explored their key structural components with regard to opposing action on glycation-induced aggregation. Herein, human hemoglobin (hHb)/fructose system used to decipher if structural peculiarities of two biophenols "chlorogenic acid (CGA) and curcumin (CUR)" are effective toward AGEs-bridged aggregate formation. Suppression in amyloid cross-β formation was monitored by CD spectroscopy, fluorescence microscopy, ANS and AGE fluorescence. Reduction in molten globule structure of modified-Hb by CGA was corroborated with helix structure, thiol group and lysine residues content estimation for native, glycated and biophenols treated samples. ThT and Congo red assays showed the cross-β breaking properties of CGA. Molecular docking outcomes revealed the positioning of CGA/CUR is driven by "aromatic interactions" with Trp β1180 and Tyr α2540. These interactions are modulated by the structural constraints such as number of hydroxyl groups and their methylation status directing the biophenols to the amyloidogenic core. The results are applicable to formulation of small-molecule nutraceuticals for treatment of conformational diseases.
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Affiliation(s)
- Esmat Rahmanifar
- Department of Biology, Noordanesh Institute of Higher Education, Meymeh, Isfahan, Iran
| | - Mehran Miroliaei
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Iran.
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Khan IM, Shakya S. Exploring Colorimetric Real-Time Sensing Behavior of a Newly Designed CT Complex toward Nitrobenzene and Co 2+: Spectrophotometric, DFT/TD-DFT, and Mechanistic Insights. ACS OMEGA 2019; 4:9983-9995. [PMID: 31460091 PMCID: PMC6648288 DOI: 10.1021/acsomega.9b01314] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 05/27/2019] [Indexed: 06/10/2023]
Abstract
An exceptionally unique, easy-to-prepare, and economic charge transfer complex (CTC), [(IMH)+(PA)-], was synthesized as a highly selective real-time colorimetric chemosensor material for nitro explosive nitrobenzene (NB) and Co2+ ion. Co2+ and NB are highly potential toxic and hazardous beyond the exposure limits and also classified as carcinogens (group 2B) by IARS and United States Environmental Protection Agency. Unusual sensing ability with appreciatively low detection limits of 0.114 and 0.589 ppb for NB and Co2+ ion, respectively, in the aqueous medium of dimethyl sulfoxide has been reported for the first time among this class of complexes reported so far. The mechanism of the tremendous sensing behavior of this material as chemosensor was ascertained by static quenching mechanism, Dexter electron transfer, and Forster resonance energy transfer dynamic quenching mechanism, which was supported by spectral overlapping and density functional theory (DFT) (B-3LYP/def2-SVP) calculations. Real-time colorimetric sensing behavior of chemosensor was demonstrated by the naked eye test and prestained paper Co2+ strip test. Job's plot and comparative Fourier transform infrared (FTIR) study between CTC and CTC-Co2+ complex revealed the coordination mode between CTC and Co2+ ion and 2:1 stoichiometry. This sensing material [(IMH)+(PA)-] was synthesized with donor imidazole (IM) and acceptor picric acid (PA), and its characterization was achieved by experimental (single-crystal X-ray diffraction, thermal gravimetric analysis-differential thermal analysis, FTIR, and UV-vis studies) and theoretical methods [DFT/TD-DFT calculations, comparing experimental-theoretical data and obtaining MEP map along with electronic energy gap of HOMO → LUMO (ΔE = 3.545 eV) and Hirshfeld surfaces analysis]. The SC-XRD confirms the composition and bonding features, which show hydrogen bond via N+-H···O- between IM and PA. This N+-H···O- interaction plays a significant role in Co2+ binding, proving this method of synthesizing CTC as a chemosensor to be a novel approach.
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Affiliation(s)
- Ishaat M. Khan
- E-mail: . Tel: +91 5712703515 (O). Mobile: +91 9412174753
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Fan M, Ding H, Zhang G, Hu X, Gong D. Relationships of dietary flavonoid structure with its tyrosinase inhibitory activity and affinity. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.02.076] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zou L, Zhang X, Shao M, Sun R, Zhu Y, Zou B, Huang Z, Liu H, Teng Y. A biophysical probe on the binding of 2-mercaptothioazoline to bovine hemoglobin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:208-214. [PMID: 30387064 DOI: 10.1007/s11356-018-3405-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/04/2018] [Indexed: 06/08/2023]
Abstract
2-Mercaptothiazoline (MTZ) is broadly present in daily use as an antifungal reagent, a brightening agent, and a corrosion inhibitor. MTZ is potentially harmful for human health. Although the toxic effects of MTZ on experimental animals have been reported, the effects of MTZ on the proteins in the circulatory system at the molecular level have not been identified previously. Here, we explored the interaction of MTZ with bovine hemoglobin (BHb) in vitro using multiple spectroscopic techniques and molecular docking. In this study, the binding capacity, acting force, binding sites, molecular docking simulation, and conformational changes were investigated. MTZ quenched the intrinsic emission of BHb via the static quenching process and could spontaneously bind with BHb mainly through van der Waals forces and hydrogen bond. The computational docking visualized that MTZ bound to the β2 subunit of BHb, which further led to some changes of the skeleton and secondary structure of BHb. This research provides valuable information about the molecular mechanisms on BHb induced by MTZ and is beneficial for clarifying the toxicological actions of MTZ in blood.
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Affiliation(s)
- Luyi Zou
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
- Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Xiaoyue Zhang
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Mingying Shao
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Ruirui Sun
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Yuting Zhu
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Binbin Zou
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Zhenxing Huang
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
- Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, 214122, China
- Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou, 215009, China
| | - He Liu
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China
- Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Yue Teng
- School of Environmental and Civil Engineering, Jiangnan University, 1800# Lihu Avenue, Wuxi, 214122, People's Republic of China.
- Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, 214122, China.
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Wang Z, Wang N, Han X, Wang R, Chang J. Interaction of two flavonols with fat mass and obesity-associated protein investigated by fluorescence quenching and molecular docking. J Biomol Struct Dyn 2017; 36:3388-3397. [DOI: 10.1080/07391102.2017.1388287] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Zechun Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Ning Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Xinxin Han
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Ruiyong Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
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Fan M, Zhang G, Hu X, Xu X, Gong D. Quercetin as a tyrosinase inhibitor: Inhibitory activity, conformational change and mechanism. Food Res Int 2017; 100:226-233. [PMID: 28873682 DOI: 10.1016/j.foodres.2017.07.010] [Citation(s) in RCA: 144] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 07/02/2017] [Accepted: 07/02/2017] [Indexed: 11/30/2022]
Abstract
Quercetin, a flavonoid compound, was found to inhibit both monophenolase and diphenolase activities of tyrosinase, and its inhibition against diphenolase activity was in a reversible and competitive manner with an IC50 value of (3.08±0.74)×10-5molL-1. Quercetin bound to tyrosinase driven by hydrophobic interaction, thereby resulted in a conformational change of tyrosinase and its intrinsic fluorescence quenching. Tyrosinase had one binding site for quercetin with the binding constant in the order of magnitude of 104Lmol-1. The molecular docking revealed that quercetin bound to the active site of tyrosinase and chelated a copper with the 3', 4'-dihydroxy groups. It can be deduced that the chelation may prevent the entrance of substrate and then inhibit the catalytic activity of tyrosinase. These findings may be helpful to understand the inhibition mechanism of quercetin on tyrosinase and functional research of quercetin in the treatment of pigmentation disorders.
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Affiliation(s)
- Meihui Fan
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China.
| | - Xing Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Ximing Xu
- Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, 1801 Avenue of Zhongwu, Changzhou 213001, China
| | - Deming Gong
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; New Zealand Institute of Natural Medicine Research, 8 Ha Crescent, Auckland 2104, New Zealand
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Fang Q, Wang Y, Hu T, Liu Y. Interaction of the minocycline with extracelluar protein and intracellular protein by multi-spectral techniques and molecular docking. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.10.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Wang R, Li Z, Yang L, Ren T, Zhang L, Wang R. Studies on the interaction between neutral red and bovine hemoglobin by fluorescence spectroscopy and molecular modeling. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.07.066] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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