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Li H, Chen M, Yang Z, Wang Q, Wang J, Jin D, Yang X, Chen F, Zhou X, Luo K. Phillygenin, a MELK Inhibitor, Inhibits Cell Survival and Epithelial-Mesenchymal Transition in Pancreatic Cancer Cells. Onco Targets Ther 2020; 13:2833-2842. [PMID: 32308417 PMCID: PMC7138621 DOI: 10.2147/ott.s238958] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Accepted: 03/24/2020] [Indexed: 12/21/2022] Open
Abstract
Introduction Pancreatic cancer (PC) is one of the leading causes of cancer, with the lowest 5-year survival rate of all cancer types. Given the fast metastasis of PC and its resistance to surgery, radiotherapy, chemotherapy, and combinations thereof, it is imperative to develop more effective anti-PC drugs. Phillygenin (PHI) has been reported to exert anti-cancer, anti-bacterial, and anti‐inflammatory properties. However, the mechanism of PHI in the development of PC is still unclear. Methods The cytotoxicity of PHI in pancreatic cancer cells was evaluated by MTT assay, and clonogenic assay was used to test the anti-proliferation of PHI. The pro-apoptotic effect of PHI was detected by flow cytometry analysis. The changes of epithelial–mesenchymal transition (EMT) in pancreatic cancer cells treated with PHI were determined by Western blot. Transwell assay was used to test the migration and invasion of PC cells after treatment with PHI. Molecular docking was used to predict the potential binding site of candidate target with PHI. Results PHI could inhibit the proliferation, migration, and EMT of PC cells (PANC-1 and SW1990) and induce its apoptosis. Analysis of the Cancer Genome Atlas database indicated that elevated MELK levels correlated with poor overall survival (OS) and disease-free survival (DFS) of PC patients. In addition, molecular modeling showed that PHI may potentially target the catalytic domain of maternal embryonic leucine zipper kinase (MELK). Overexpression of MELK muted the anti-PC effects of PHI. Conclusion PHI holds promise as a potent candidate drug for the treatment of PC via targeted MELK.
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Affiliation(s)
- Hongchun Li
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Miao Chen
- Department of Oncology, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Zhuying Yang
- Department of Gastroenterology, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Qinxian Wang
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Jiesheng Wang
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Dong Jin
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Xiuyun Yang
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Fuxing Chen
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Xiumin Zhou
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
| | - Kexue Luo
- Department of Cadre Health, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang, People's Republic of China
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Saeidifar M, Sabbaghzadeh R, Nasab NA. Biophysical Investigation and Antitumor Potential of Heterocyclic Palladium-Based Agent: Cytotoxicity, Spectroscopic and Molecular Docking Approaches in Interaction with Human Serum Albumin. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2020.1718717] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Maryam Saeidifar
- Nanotechnology and Advanced Materials Department, Materials and Energy Research Center, Karaj, Iran
| | - Reihaneh Sabbaghzadeh
- Department of Biology, Faculty of sciences, Hakim Sabzevari University, Sabzevar, Iran
| | - Navid Ahmadi Nasab
- Faculty of Pharmacy, Hormozgan University of Medical Science, Bandar Abbas, Iran
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Phillygenin, a lignan compound, inhibits hypertension by reducing PLCβ3-dependent Ca2+ oscillation. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103432] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Evaluation of the Pharmacokinetics and Hepatoprotective Effects of Phillygenin in Mouse. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7964318. [PMID: 30211228 PMCID: PMC6126057 DOI: 10.1155/2018/7964318] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 07/17/2018] [Accepted: 08/01/2018] [Indexed: 01/23/2023]
Abstract
Phillygenin is a bioactive intergradient in Osmanthus fragrans, a well-known food additive and Chinese traditional medicine. This study was to investigate the hepatoprotective effects and pharmacokinetics of phillygenin. The hepatoprotective effect of phillygenin was assessed in carbon tetrachloride- (CCl4-) intoxicated mice by monitoring levels of serum and tissue biomarkers. The pharmacokinetics of phillygenin was evaluated in the mouse after oral (po, 24 mg / kg) or intravenous (iv, 12 mg/kg) administration. Results showed that phillygenin has a great hepatoprotective effect on CCl4-induced liver injury in mice owing to its antioxidant activity and inhibition on cytochrome P450 2E1(CYP2E1). After oral administration, phillygenin was efficiently absorbed with the oral bioavailability of 56.4%. Two metabolites, hydroxylated and dimethylated phillygenin, were identified in mouse urine. These results suggested that phillygenin could be explored as new and potential natural antioxidants and hepatoprotective agents.
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Saeidifar M, Mirzaei H, Ahmadi Nasab N, Mansouri-Torshizi H. Mononuclear Pd(II) complex as a new therapeutic agent: Synthesis, characterization, biological activity, spectral and DNA binding approaches. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.06.139] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Shi P, Qiao P, Zhang Y, Li S, Feng X, Bian L. Spectroscopy analysis and molecular dynamics studies on the binding of penicillin V and sulbactam to beta-lactamase II from Bacillus cereus. J Pharm Biomed Anal 2017; 138:206-214. [PMID: 28219797 DOI: 10.1016/j.jpba.2017.02.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 02/08/2017] [Accepted: 02/09/2017] [Indexed: 11/15/2022]
Abstract
The molecular recognition and interaction of beta-lactamase II from Bacillus cereus (Bc II) with penicillin V (PV) and sulbactam (Sul) especially conformational changes of Bc II in the binding process were studied through spectroscopy analysis in combination with molecular dynamics (MD) simulation. The results show that in the binding process, a new coordination bond is observed between the Zn2 of Bc II and the carboxyl-O of PV or Sul by replacing His204. Electrostatic interaction between Zn2 and the ligand provide main driving force for the binding affinity. Compared with apo Bc II, there are mainly four loops showing significant conformational changes in ligand-bound Bc II. A weak conformational transformation from β-sheets to random coils is observed in the loop2 of ligand-bound Bc II. The conformational transformation may depend on the functional group and binding pose of the ligand, giving the binding pocket greater flexibility and accordingly allowing for an induced fit of the enzyme-ligand binding site around the newly introduced ligand. The change in the loop2 of ligand-bound Bc II may lead to the opening of the binding pocket of Bc II. Therefore, loop2 can be considered a gate for control of ligand access in Bc II, hence its dynamic response should be considered in new drug design and development.
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Affiliation(s)
- Penghui Shi
- College of Life Science, Northwest University, Xi'an 710069, China
| | - Pan Qiao
- College of Life Science, Northwest University, Xi'an 710069, China
| | - Yeli Zhang
- College of Life Science, Northwest University, Xi'an 710069, China
| | - Shuaihua Li
- College of Life Science, Northwest University, Xi'an 710069, China
| | - Xuan Feng
- College of Life Science, Northwest University, Xi'an 710069, China
| | - Liujiao Bian
- College of Life Science, Northwest University, Xi'an 710069, China.
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Wan Y, Zou B, Zeng H, Zhang L, Chen M, Fu G. Inhibitory effect of verbascoside on xanthine oxidase activity. Int J Biol Macromol 2016; 93:609-614. [DOI: 10.1016/j.ijbiomac.2016.09.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 09/05/2016] [Accepted: 09/07/2016] [Indexed: 10/21/2022]
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Anantharaman A, Hemachandran H, Priya RR, Sankari M, Gopalakrishnan M, Palanisami N, Siva R. Inhibitory effect of apocarotenoids on the activity of tyrosinase: Multi-spectroscopic and docking studies. J Biosci Bioeng 2016; 121:13-20. [DOI: 10.1016/j.jbiosc.2015.05.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 04/21/2015] [Accepted: 05/12/2015] [Indexed: 01/17/2023]
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Saeidifar M, Mansouri-Torshizi H. Investigation of the interaction between human serum albumin and antitumor palladium(II) complex containing 1,10-phenanthroline and dithiocarbamate ligands. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2015; 34:16-32. [PMID: 25513861 DOI: 10.1080/15257770.2014.955192] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The interaction between [Pd(But-dtc)(phen)]NO3 (where But-dtc = butyldithiocarbamate and phen = 1,10-phenanthroline) with HSA (Human Serum Albumin) was investigated by applying fluorescence, UV-Vis and circular dichroism techniques under physiological conditions. The results of fluorescence spectra indicated that the Pd(II) complex could effectively quench the fluorescence intensity of HSA molecules via static mechanism. The number of binding sites and binding constant of HSA-Pd(II) complex were calculated. Analysis of absorption titration data on the interaction between Pd(II) complex and HSA revealed the formation of HSA-Pd(II) complex with high-binding affinity. Thermodynamic parameters indicated that hydrophobic forces play a major role in this interaction. Furthermore, CD measurements were taken to explore changes in HSA secondary structure induced by the Pd(II) complex.
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Affiliation(s)
- Maryam Saeidifar
- a Department of Nanotechnology and Advanced Materials , Materials and Energy Research Center , Karaj , Iran
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Saeidifar M, Khanlarkhani A, Eslami-Moghaddam M, Mansouri-Torshizi H, Akbar Saboury A. Investigation of the Binding Behavior between the S-heterocyclic Aromatic Palladium(II) Complex and Human Serum Albumin: Spectroscopic Approach. Polycycl Aromat Compd 2015. [DOI: 10.1080/10406638.2014.957404] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Chen XX, Zhang J, Chai WM, Feng HL, Xiang ZH, Shen DY, Chen QX. Reversible and competitive inhibitory kinetics of amoxicillin on mushroom tyrosinase. Int J Biol Macromol 2013; 62:726-33. [DOI: 10.1016/j.ijbiomac.2013.09.052] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 09/18/2013] [Accepted: 09/30/2013] [Indexed: 01/11/2023]
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Wang JZ, Ren SY, Zhu GF, Xi L, Han YG, Luo Y, Du LF. Hg2+ interference with the structure of tobacco etch virus protease (TEVp) and its implications for biological engineering. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2013.08.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Honarparvar B, Govender T, Maguire GEM, Soliman MES, Kruger HG. Integrated Approach to Structure-Based Enzymatic Drug Design: Molecular Modeling, Spectroscopy, and Experimental Bioactivity. Chem Rev 2013; 114:493-537. [DOI: 10.1021/cr300314q] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Bahareh Honarparvar
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Thavendran Govender
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Glenn E. M. Maguire
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Mahmoud E. S. Soliman
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
| | - Hendrik G. Kruger
- Catalysis
and Peptide Research Unit and ‡School of Health Sciences, University of KwaZulu Natal, Durban 4001, South Africa
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Mu Y, Li L, Hu SQ. Molecular inhibitory mechanism of tricin on tyrosinase. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 107:235-240. [PMID: 23434549 DOI: 10.1016/j.saa.2013.01.058] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 01/07/2013] [Accepted: 01/16/2013] [Indexed: 06/01/2023]
Abstract
Tricin was evaluated as a type of tyrosinase inhibitor with good efficacy compared to arbutin. Tricin functioned as a non-competitive inhibitor of tyrosinase, with an equilibrium constant of 2.30 mmol/L. The molecular mechanisms underlying the inhibition of tyrosinase by tricin were investigated by means of circular dichroism spectra, fluorescence quenching and molecular docking. These assays demonstrated that the interactions between tricin and tyrosinase did not change the secondary structure. The interaction of tricin with residues in the hydrophobic pocket of tyrosinase was revealed by fluorescence quenching; the complex was stabilized by hydrophobic associations and hydrogen bonding (with residues Asn80 and Arg267). Docking results implied that the possible inhibitory mechanisms may be attributed to the stereospecific blockade effects of tricin on substrates or products and flexible conformation alterations in the tyrosinase active center caused by weak interactions between tyrosinase and tricin. The application of this type of flavonoid as a tyrosinase inhibitor will lead to significant advances in the field of depigmentation.
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Affiliation(s)
- Yan Mu
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, College of Light Industry and Food Sciences, South China University of Technology, Guangzhou, Guangdong 510640, PR China
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Janati Fard F, Mashhadi Khoshkhoo Z, Mirtabatabaei H, Housaindokht MR, Jalal R, Eshtiagh Hosseini H, Bozorgmehr MR, Esmaeili AA, Javan Khoshkholgh M. Synthesis, characterization and interaction of N,N'-dipyridoxyl (1,4-butanediamine) Co(III) salen complex with DNA and HSA. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 97:74-82. [PMID: 22750340 DOI: 10.1016/j.saa.2012.05.066] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 05/14/2012] [Accepted: 05/25/2012] [Indexed: 06/01/2023]
Abstract
Co(III) salen complex with N,N'-dipyridoxyl (1,4-butanediamine) Schiff-base ligand as tetradentate ligand was synthesized and characterized by the elemental and spectroscopic analysis. The interaction of this complex with calf thymus DNA (ct DNA) has been investigated in vitro using UV absorption, fluorescence spectroscopy, thermal denaturation and gel electrophoresis techniques. The binding constant has been estimated to be 1×10(4)M(-1) using UV absorption. The addition of ct DNA to Co(III) salen solution resulted in a fluorescence quenching. The binding constant and site size binding have been calculated in connection with other experimental observations show that the interactive model between Co(III) salen and ct DNA is an intercalative one. The interaction between plasmid DNA (pTZ57R DNA) and this complex is confirmed by gel electrophoresis studies. Furthermore, the interaction between HSA and Co(III) salen complex was investigated by UV absorption, fluorescence spectroscopy and molecular modeling. The binding constant for the interaction of this complex with HSA were found to be 3.854×10(4)M(-1) using UV absorption, which was in good agreement with the binding constant obtained from fluorescence method (3.866×10(4)M(-1)). The binding distance between HSA and this complex was estimated to be 2.48nm according to Förster theory of non-radioactive energy transfer. Molecular modeling studies suggested that hydrophobic interaction was the predominant intermolecular forces stabilizing Co(III) complex-HSA system.
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Affiliation(s)
- F Janati Fard
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Yan-Qing W, Hong-Mei Z. Spectral studies on the interaction between Cu2+ and urease. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 96:352-357. [PMID: 22706100 DOI: 10.1016/j.saa.2012.05.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2012] [Revised: 04/21/2012] [Accepted: 05/03/2012] [Indexed: 06/01/2023]
Abstract
The interactions of Cu(2+) with urease were investigated by fluorescence, UV/vis, CD, synchronous fluorescence, and three-dimensional fluorescence spectra techniques. Cu(2+) effectively quenched the intrinsic fluorescence of urease via static quenching. The binding constant K(A), the binding site n and the thermodynamic parameters are obtained. The process of binding Cu(2+) to urease was a spontaneous molecular interaction procedure with electrostatic interaction. The conformation of urease was discussed by UV/vis, CD, synchronous and three-dimensional fluorescence techniques.
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Affiliation(s)
- Wang Yan-Qing
- Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, Institute of Applied Chemistry and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China.
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