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Acharya P, Kuila A, Pramanik U, Hathwar VR, Brandao P, Mukherjee S, Maity S, Maity T, Maity R, Chandra Samanta B. Combined theoretical and experimental insights on DNA and BSA binding interactions of Cu(ii) and Ni(ii) complexes along with the DPPH method of antioxidant assay and cytotoxicity studies. RSC Adv 2023; 13:7632-7644. [PMID: 36908538 PMCID: PMC9993069 DOI: 10.1039/d2ra08341h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/21/2023] [Indexed: 03/11/2023] Open
Abstract
This present study delineates the syntheses, detailed characterization and anti-proliferative potential against SiHa (cervical cancer cell) of two mononuclear complexes of Cu(ii) and Ni(ii) using a Schiff base ligand (L) derived from 2-hydroxybenzaldehyde and N-methyl-propane 1,3-diamine. The crystallographic results show the centro-symmetric space group of orthorhombic nature (Pccn) for Cu(ii) complex (1) where the central Cu(ii) has an inversion center symmetry with six co-ordinations resulting in a distorted octahedral geometry. Whereas, in complex (2), the two independent Ni(ii) atoms present in the special position within version symmetry and form a distorted geometry of octahedral nature with six coordinations. Absorption spectral titrations with Calf Thymus (CT) DNA and the extent of the decrease in relative emission intensities of DNA-bound ethidium bromide (EB) upon adding the complexes reveal the parallel trend in DNA binding affinities for both the complexes but with a small extent of binding capabilities. Bovine serum albumin (BSA) interaction studies demonstrate that complex 1 exhibits more promiscuous binding with BSA as compared to complex 2 from the spectroscopic and theoretical approaches. α,α-Diphenyl-β-picrylhydrazyl (DPPH) free radical scavenging method shows a little antioxidant or free radical scavenging activity for both the studied complexes. Cytotoxicity studies against SiHa expressed that the percentage of cell viability was reduced with time whereas in the same concentration and conditions, the viability percentage was higher for 3T3-L1 (several normal cell lines of mouse). The fluorescence imaging obtained from acridine orange (AO) and ethidium bromide (EtBr) demonstrates that the colour of the cancer cells has changed gradually dictating the cell apoptosis from day 1 to day 3.
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Affiliation(s)
- Prasun Acharya
- Department of Chemistry Mugberia Gangadhar Mahavidyalaya Bhupatinagar Purba Medinipur-721425 West Bengal India +91-3220-270236
| | - Arun Kuila
- Department of Chemistry Mugberia Gangadhar Mahavidyalaya Bhupatinagar Purba Medinipur-721425 West Bengal India +91-3220-270236
| | - Ushasi Pramanik
- Department of Chemistry, IISER Bhopal Bhopal Bypass Road, Bhauri Bhopal 462 066 Madhya Pradesh India
| | - Venkatesha R Hathwar
- School of Physical and Applied Sciences, Goa University Taleigao Plateau Goa 403 206 India
| | - Paula Brandao
- Departamento de Química, CICECO, Universidade de Aveiro 3810-193 Aveiro Portugal
| | - Saptarshi Mukherjee
- Department of Chemistry, IISER Bhopal Bhopal Bypass Road, Bhauri Bhopal 462 066 Madhya Pradesh India
| | - Swapan Maity
- School of Materials Science and Technology (SMST), Indian Institute of Technology (IIT), BHU India
| | - Tithi Maity
- Department of Chemistry, Prabhat Kumar College Purba Medinipur-721401 Contai West Bengal India
| | - Ribhu Maity
- Department of Chemistry Mugberia Gangadhar Mahavidyalaya Bhupatinagar Purba Medinipur-721425 West Bengal India +91-3220-270236
| | - Bidhan Chandra Samanta
- Department of Chemistry Mugberia Gangadhar Mahavidyalaya Bhupatinagar Purba Medinipur-721425 West Bengal India +91-3220-270236
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Maity M, Pramanik U, Hathwar VR, Brandao P, Mukherjee S, Maity S, Maity R, Maity T, Chandra Samanta B. Biophysical insights into the binding capability of Cu(II) schiff base complex with BSA protein and cytotoxicity studies against SiHa. Heliyon 2022; 8:e11345. [DOI: 10.1016/j.heliyon.2022.e11345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/19/2022] [Accepted: 10/26/2022] [Indexed: 11/05/2022] Open
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Baral B, Dutta J, Subudhi U. Biophysical interaction between self-assembled branched DNA nanostructures with bovine serum albumin and bovine liver catalase. Int J Biol Macromol 2021; 177:119-128. [PMID: 33609575 DOI: 10.1016/j.ijbiomac.2021.02.095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/30/2021] [Accepted: 02/13/2021] [Indexed: 12/15/2022]
Abstract
Branched DNA (bDNA) nanostructures have emerged as self-assembled biomaterials and are being considered for biomedical applications. Herein, we report the biophysical interaction between self-assembled bDNA nanostructure with circulating protein bovine serum albumin (BSA) and cellular enzyme bovine liver catalase (BLC). The binding between bDNA and BSA or BLC was confirmed through the decrease in fluorescence spectra. The Stern-Volmer data supports for non-covalent bonding with ~1 binding site in case of BSA and BLC thus advocating a static binding. Furthermore, FTIR and ITC study confirmed the binding of bDNAs with proteins through hydrogen bonding and van der Waals interaction. The negative free energy observed in ITC represent spontaneous reaction for BLC-bDNA interaction. The biophysical interaction between bDNA nanostructures and proteins was also supported by DLS and zeta potential measurement. With an increase in bDNA concentrations up to 100 nM, no significant change in absorbance and CD spectra was observed for both BLC and BSA which suggests structural stability and unaffected secondary conformation of proteins in presence of bDNA. Furthermore, the catalytic activity of BLC was unaltered in presence of bDNAscr even with increasing the incubation period from 1 h to 24 h. Interestingly, the time-dependent decrease in activity of BLC was protected by bDNAmix. The thermal melting study suggests a higher Tm value for proteins in presence of bDNAmix which demonstrates that interaction with bDNAmix increases the thermal stability of proteins. Collectively these data suggest that self-assembled DNA nanostructure may bind to BSA for facilitating circulation in plasma or binding to intracellular proteins like BLC for stabilization, however the secondary conformation of protein or catalytic activity of enzyme is unaltered in presence of bDNA nanostructure. Thus, the newly established genomic sequence-driven self-assembled DNA nanostructure can be explored for in vitro or in vivo experimental work in recent future.
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Affiliation(s)
- Bineeth Baral
- DNA Nanotechnology & Application Laboratory, CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751013, Odisha, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Juhi Dutta
- School of Chemical Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India; Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400094, India
| | - Umakanta Subudhi
- DNA Nanotechnology & Application Laboratory, CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751013, Odisha, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India.
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Rao H, Qi W, Su R, He Z, Peng X. Mechanistic and conformational studies on the interaction of human serum albumin with rhodamine B by NMR, spectroscopic and molecular modeling methods. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113889] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Kumar R, Uppal S, Kaur K, Mehta S. Curcumin nanoemulsion as a biocompatible medium to study the metal ion imbalance in a biological system. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Effects of chlorogenic acid on the binding process of cadmium with bovine serum albumin: A multi-spectroscopic and docking study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Mohammadi F, Mansouri-Torshizi H. Five novel palladium(II) complexes of 8-hydroxyquinoline and amino acids with hydrophobic side chains: synthesis, characterization, cytotoxicity, DNA- and BSA-interaction studies. J Biomol Struct Dyn 2019; 38:3059-3073. [DOI: 10.1080/07391102.2019.1651219] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Fatemeh Mohammadi
- Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran
| | - Hassan Mansouri-Torshizi
- Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran
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Multi-spectroscopic approaches combined with theoretical calculation to explore the intermolecular interaction of telmisartan with bovine serum albumin. Chem Phys 2019. [DOI: 10.1016/j.chemphys.2019.03.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Akbay N, Taskin Tok T, Seferoğlu Z, Gökoğlu E. Investigation of binding properties of two ethidium derivatives with serum albumins: spectral and computational approach. J Biomol Struct Dyn 2018; 36:3114-3121. [DOI: 10.1080/07391102.2017.1380536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Nuriye Akbay
- Department of Chemistry, Istanbul Medeniyet University, 34700 Istanbul, Turkey
| | - Tugba Taskin Tok
- Department of Chemistry, Gaziantep University, 27310 Gaziantep, Turkey
| | | | - Elmas Gökoğlu
- Department of Chemistry, Hacettepe University, 06800 Beytepe, Ankara, Turkey
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Shahraki S, Heydari A. Binding forces between a novel Schiff base palladium(II) complex and two carrier proteins: human serum albumi and β-lactoglobulin. J Biomol Struct Dyn 2017; 36:2807-2821. [PMID: 28812944 DOI: 10.1080/07391102.2017.1367723] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Ligand binding studies on carrier proteins are crucial in determining the pharmacological properties of drug candidates. Here, a new palladium(II) complex was synthesized and characterized. The in vitro binding studies of this complex with two carrier proteins, human serum albumin (HSA), and β-lactoglobulin (βLG) were investigated by employing biophysical techniques as well as computational modeling. The experimental results showed that the Pd(II) complex interacted with two carrier proteins with moderate binding affinity (Kb ≈ .5 × 104 M-1 for HSA and .2 × 103 M-1 for βLG). Binding of Pd(II) complex to HSA and βLG caused strong fluorescence quenching of both proteins through static quenching mechanism. In two studied systems hydrogen bonds and van der Waals forces were the major stabilizing forces in the drug-protein complex formation. UV-Visible and FT-IR measurements indicated that the binding of above complex to HSA and βLG may induce conformational and micro-environmental changes of two proteins. Protein-ligand docking analysis confirmed that the Pd(II) complex binds to residues located in the subdomain IIA of HSA and site A of βLG. All these experimental and computational results suggest that βLG and HSA might act as carrier protein for Pd(II) complex to deliver it to the target molecules.
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Key Words
- Ala, Alanine
- Cys, Cysteine
- DFT, Density Functional Theory
- DMSO, Dimethyl sulfoxide
- HOMO, highest occupied molecular orbital
- HSA, Human Serum Albumin
- LUMO, lowest unoccupied molecular orbital
- Leu, Leucine
- Lys, Lysine
- NMR, Nuclear Magnetic Resonance
- Pd(II) complex
- Pro, Proline
- Schiff base
- TMS, Tetramethylsilane
- Trp, Tryptophan
- Tyr, Tyrosine
- Val, Valine
- human serum albumin
- protein interactions
- β-lactoglobulin
- βLG, β-lactoglobulin
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Affiliation(s)
- Somaye Shahraki
- a Department of Chemistry , University of Zabol , Zabol , Iran
| | - Ali Heydari
- b Department of Chemistry , University of Sistan and Baluchestan , Zahedan , Iran
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Modifying effects of carboxyl group on the interaction of recombinant S100A8/A9 complex with tyrosinase. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2016; 1865:370-379. [PMID: 28017864 DOI: 10.1016/j.bbapap.2016.12.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Revised: 12/19/2016] [Accepted: 12/20/2016] [Indexed: 12/16/2022]
Abstract
Tyrosinase is a determinant enzyme for modulating melanin production as its abnormal activity can result in an increased amount of melanin. Reduction of tyrosinase activity has been targeted for preventing and healing hyperpigmentation of skin, such as melanoma and age related spots. The aim of this systematic study is to investigate whether recombinant S100A8/A9 and its modified form reduce the activity of mushroom tyrosinase (MT) through changing its structure. Recombinant His-Tagged S100A8 and S100A9 are expressed in Escherichia coli BL21 (DE3) and modified using Woodward's reagent K which is a carboxyl group modifier. The structures of S100A8/A9 and its modified form are studied using fluorescence and circular dichroism spectroscopy, and the activity of MT is measured using UV-visible spectrophotometry in the presence of its substrate, L-3,4-dihydroxyphenylalanine (L-DOPA). The results show a lower stability of the modified protein when compared with its unmodified form. The interaction of S100A8/A9 with MT changes the structure and successfully reduces the activity of mushroom tyrosinase. Recombinant S100A8/A9 complex decreases MT activity which can control malignant melanoma, the most dangerous type of skin cancer.
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Kaur K, Kumar R, Mehta SK. Formulation of saponin stabilized nanoemulsion by ultrasonic method and its role to protect the degradation of quercitin from UV light. ULTRASONICS SONOCHEMISTRY 2016; 31:29-38. [PMID: 26964921 DOI: 10.1016/j.ultsonch.2015.11.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/12/2015] [Accepted: 11/16/2015] [Indexed: 05/26/2023]
Abstract
The objective of the present study was to prepare quercitin (QT) loaded o/w nanoemulsion using food grade surfactants (saponin and tween 80). The prepared nanoemulsion) was stable up to 30 days. The average particle size of the nanoemulsion was 52 ± 10 nm. The formation of saponin stabilized nanoemulsion was confirmed by transmission electron microscopy. Quercitin (QT) trapped nanoemulsion showed higher stability on exposure to UV light (254 nm) as compared to water/ethanol system. The degradation rate was found to decrease from 9 ± 1%, 11 ± 1% at pH 7.4, 8.0 respectively as compared to 42 ± 2% in water/ethanol system. Attempt was also made to study the interaction of QT with two different bile salts (sodium cholate and sodium taurocholate). The free radical scavenging activity of DPPH quercitin and curcumin was compared in NEm media. The obtained IC50 value of quercitin, curcumin and ascorbic acid are 28.88 ± 1, 45.53 ± 2 and 51.51 ± 2 μM respectively. The values of binding constant for sodium cholate (NaC) and sodium taurocholate (NaTC) are 2.66 × 10(5) and 2.72 × 10(4) M(-1) respectively. Sodium cholate (NaC) was found to show strong interaction towards quercitin (QT) due to more electron density on oxygen atom of carboxylate ion.
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Affiliation(s)
- Khushwinder Kaur
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160 014, India.
| | - Raj Kumar
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160 014, India
| | - S K Mehta
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160 014, India
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Gheibi N, Hosseini Zavareh S, Rezaei Behbahani GR, Haghbeen K, Sirati-sabet M, Ilghari D, Goodarzvand Chegini K. Comprehensive kinetic and structural studies of different flavonoids inhibiting diphenolase activity of mushroom tyrosinase. APPL BIOCHEM MICRO+ 2016. [DOI: 10.1134/s0003683816030054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yang Y, Li D. Investigation on the interaction between isorhamnetin and bovine liver catalase by spectroscopic techniques under different pH conditions. LUMINESCENCE 2016; 31:1130-7. [PMID: 26748824 DOI: 10.1002/bio.3082] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Revised: 11/14/2015] [Accepted: 11/26/2015] [Indexed: 11/10/2022]
Abstract
The binding of isorhamnetin to bovine liver catalase (BLC) was first investigated at 302, 310 and 318 K at pH 7.4 using spectroscopic methods including fluorescence spectra, circular dichroism (CD) and UV-vis absorption. Spectrophotometric observations are rationalized mainly in terms of a static quenching process. The binding constants and binding sites were evaluated by fluorescence quenching methods. Enzymatic activity of BLC in the absence and presence of isorhamnetin was measured using a UV/vis spectrophotometer. The result revealed that the binding of isorhamnetin to BLC led to a reduction in the activity of BLC. The positive entropy change and enthalpy change indicated that the interaction of isorhamnetin with BLC was mainly driven by hydrophobic forces. The distance r between the donor (BLC) and acceptor (isorhamnetin) was estimated to be 2.99 nm according to fluorescence resonance energy transfer. Fluorescence, synchronous fluorescence, and CD spectra showed no obvious change in the conformation of BLC upon the binding of isorhamnetin. In addition, the influence of pH on the binding of isorhamnetin to BLC was investigated and the binding ability of the drug to BLC deceased under other pH conditions (pH 9.0, 6.5, 5.0, 3.5, or 2.0) as compared with that at pH 7.4. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Yumin Yang
- Department of Life Science, Luoyang Normal University, Luoyang, 471022, China
| | - Daojin Li
- College of Chemistry & Chemical Engineering, Luoyang Normal University, Luoyang, 471022, China
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Kuzmin VA, Nekipelova TD, Podrugina TA, Golovina GV, Kostyukov AA, Temnov VV, Doroshenko IA, Radchenko EV, Palyulin VA, Zefirov NS. Complex formation of albumin with tricarbocyanine dyes containing phosphonate groups. Photochem Photobiol Sci 2016; 15:1377-1384. [DOI: 10.1039/c6pp00246c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel indotricarbocyanine dyes bearing remote phosphonate groups show good binding with albumins.
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Affiliation(s)
- Vladimir A. Kuzmin
- Department of Chemistry
- Lomonosov Moscow State University
- Moscow
- 119992 Russia
- Emanuel Institute of Biochemical Physics RAS
| | | | | | | | | | - Viktor V. Temnov
- Department of Chemistry
- Lomonosov Moscow State University
- Moscow
- 119992 Russia
| | | | | | | | - Nikolay S. Zefirov
- Department of Chemistry
- Lomonosov Moscow State University
- Moscow
- 119992 Russia
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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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17
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Mathavan A, Ramdass A, Rajagopal S. A Spectroscopy Approach for the Study of the Interaction of Oxovanadium(IV)-Salen Complexes with Proteins. J Fluoresc 2015; 25:1141-9. [PMID: 26139532 DOI: 10.1007/s10895-015-1604-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 06/15/2015] [Indexed: 11/26/2022]
Abstract
Oxovanadium(IV)-salen complexes bind with bovine serum albumin (BSA) and ovalbumin (OVA) strongly with binding constant in the range 10(4)-10(7) M(-1) at physiological pH (7.4) confirmed using UV-visible absorption, fluorescence spectral and circular dichroism (CD) study. CD results show that the binding of oxovanadium(IV) complexes induces the conformational change with the loss of α-helicity in the proteins. Docking studies indicate that mode of binding of oxovanadium(IV)-salen complexes with proteins is hydrophobic in nature.
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Affiliation(s)
- Alagarsamy Mathavan
- Department of Chemistry, V. O. Chidambaram College, Tuticorin, 628 008, India
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Alagesan M, Sathyadevi P, Krishnamoorthy P, Bhuvanesh NSP, Dharmaraj N. DMSO containing ruthenium(ii) hydrazone complexes: in vitro evaluation of biomolecular interaction and anticancer activity. Dalton Trans 2015; 43:15829-40. [PMID: 25223849 DOI: 10.1039/c4dt01032a] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Synthesis, spectral, electrochemical and single crystal X-ray diffraction data of a new series of DMSO containing bivalent ruthenium hydrazone complexes are presented. XRD data of two of the new complexes revealed an octahedral coordination around the ruthenium ion satisfied by NOS2Cl2 atoms. Electrochemical studies showed the metal centred, quasi-reversible, one-electron redox behaviour of the new complexes. The binding of these complexes with biomolecules such as calf thymus DNA (CT-DNA) and bovine serum albumin (BSA) protein investigated by different spectrophotometric methods revealed an intercalative mode of interaction. The in vitro cytotoxicity of these complexes evaluated by the MTT assay on a panel of cancer and normal cell lines indicated that the above complexes are more toxic to cancer cells with a few micromolar concentrations as the IC50 value, but are significantly less toxic to normal cell lines. The observed variations in the binding interactions and cytotoxicity of the complexes were attributed to the nature of the hydrazide moiety of the hydrazones that influences their biological activities.
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Affiliation(s)
- M Alagesan
- Inorganic & Nanomaterials Research Laboratory, Department of Chemistry, Bharathiar University, Coimbatore 641 046, India.
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Shah A, Priyadarshini M, Khan MS, Aatif M, Amin F, Tabrez S, Zaher GF, Bano B. Differential effects of anti-cancer and anti-hepatitis drugs on liver cystatin. Saudi J Biol Sci 2015; 22:69-74. [PMID: 25561887 PMCID: PMC4281580 DOI: 10.1016/j.sjbs.2014.06.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Revised: 06/27/2014] [Accepted: 06/28/2014] [Indexed: 11/18/2022] Open
Abstract
The drug-protein interaction has been the subject of increasing interest over the decades. In the present communication, the interaction of liver cystatin with anti-cancer (adriamycin) and anti-hepatitis (adevofir dipivoxil) drugs was studied by thiol-protease inhibitory assay, UV absorption, fluorescence spectroscopy and circular dichroism (CD). A static type of quenching was observed between the protein and the drug molecules. Binding constant (Ka) of adriamycin to liver cystatin (LC) was found to be 1.08 × 10(6) M(-1). Moreover, binding site number was found to be 2. Importantly, cystatin loses its activity in the presence of adriamycin. However, intrinsic fluorescence studies in the presence of adevofir dipivoxil showed enhancement in the fluorescence intensity suggesting that binding of adevofir to LC caused unfolding of the protein. The unfolding of the test protein was also accompanied by significant loss of inhibitory activity. CD spectroscopy result showed, both adriamycin and adevofir dipivoxil caused perturbation in the secondary structure of liver cystatin. The possible implications of these results will help in combating drug induced off target effects.
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Affiliation(s)
- Aaliya Shah
- Department of Biochemistry, SKIMS Medical College, Srinagar, India
| | - Medha Priyadarshini
- Department of Medicine, Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Mohd Shahnawaz Khan
- Department of Biochemistry, Protein Research Chair, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohammad Aatif
- Department of Biochemistry, Faculty of Life Sciences, AMU, Aligarh, India
| | - Fakhra Amin
- Department of Biochemistry, Faculty of Life Sciences, AMU, Aligarh, India
| | - Shams Tabrez
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Galila F. Zaher
- Department of Haematology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Bilqees Bano
- Department of Biochemistry, Faculty of Life Sciences, AMU, Aligarh, India
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Pushpam S, Gayathri S, Ramakrishnan V. Photoinduced interaction studies on N-(2-methylthiophenyl)-2-hydroxy-1-naphthadiamine with TiO2 nanoparticles: a combined experimental and theoretical (DFT and spectroscopic) approach. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 133:80-86. [PMID: 24929319 DOI: 10.1016/j.saa.2014.04.167] [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: 01/17/2014] [Revised: 03/25/2014] [Accepted: 04/23/2014] [Indexed: 06/03/2023]
Abstract
Schiff base derivative synthesized by the reaction of 2-(methylthio) aniline and 2-hydroxy-1-naphthaldehyde exhibits keto-amine tautomerism in methanol solvent. The fluorescence quenching of N-(2-methyl thiophenyl)-2-hydroxy-1-naphthadiamine (NMTHN) by TiO2 nanoparticles in methanol has been studied. The excitation and emission peaks have been observed at 439 and 509nm respectively. The apparent association constant has been deduced from the absorption spectral changes of NMTHN-TiO2 nanoparticles using Bensi-Hildebrand equation. The number of binding sites and the binding constant have been calculated from the relevant fluorescence data. Quenching of fluorescence of NMTHN by TiO2 could be due to a dynamic mode. Density Functional Theory (DFT) calculations also have been performed to study the charge distribution of NMTHN-TiO2 both in ground and excited states. The HOMO-LUMO analysis of NMTHN-TiO2 in the ground state has been made.
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Affiliation(s)
- S Pushpam
- Department of Laser Studies, School of Physics, Madurai Kamaraj University, Madurai 625021, India
| | - S Gayathri
- Department of Laser Studies, School of Physics, Madurai Kamaraj University, Madurai 625021, India
| | - V Ramakrishnan
- Department of Laser Studies, School of Physics, Madurai Kamaraj University, Madurai 625021, India.
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Detailed Scenario of the Acid–Base Behavior of Prototropic Molecules in the Subdomain-IIA Pocket of Serum Albumin: Results and Prospects in Drug Delivery. J Phys Chem B 2014; 118:12153-67. [DOI: 10.1021/jp5076466] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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22
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Satheshkumar A, Elango KP. Spectroscopic and molecular docking studies on the charge transfer complex of bovine serum albumin with quinone in aqueous medium and its influence on the ligand binding property of the protein. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 130:337-343. [PMID: 24802718 DOI: 10.1016/j.saa.2014.03.108] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Revised: 03/25/2014] [Accepted: 03/29/2014] [Indexed: 06/03/2023]
Abstract
The spectral techniques such as UV-Vis, (1)H NMR and fluorescence and electrochemical experiments have been employed to investigate the interaction between 2-methoxy-3,5,6-trichloro-1,4-benzoquinone (MQ; a water soluble quinone) and bovine serum albumin (BSA) in aqueous medium. The fluorescence of BSA was quenched by MQ via formation of a 1:1 BSA-MQ charge transfer adduct with a formation constant of 3.3×10(8) L mol(-1). Based on the Forster's theory the binding distance between them is calculated as 2.65 nm indicating high probability of binding. For the first time, influence of quinone on the binding property of various types of ligands such as aspirin, ascorbic acid, nicotinimide and sodium stearate has also been investigated. The results indicated that the strong and spontaneous binding existing between BSA and MQ, decreased the intensity of binding of these ligands with BSA. Since Tryptophan (Trp) is the basic residue present in BSA, a comparison between binding property of Trp-MQ adduct with that of BSA-MQ with these ligands has also been attempted. 1H NMR titration study indicated that the Trp forms a charge transfer complex with MQ, which reduces the interaction of Trp with the ligands. Molecular docking study supported the fact that the quinone interacts with the Trp212 unit of the BSA and the free energy change of binding (ΔG) for the BSA-MQ complex was found to be -46 kJ mol(-1), which is comparable to our experimental free energy of binding (-49 kJ mol(-1)) obtained from fluorescence study.
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Affiliation(s)
- Angupillai Satheshkumar
- Department of Chemistry, Gandhigram Rural Institute (Deemed University), Gandhigram 624302, India
| | - Kuppanagounder P Elango
- Department of Chemistry, Gandhigram Rural Institute (Deemed University), Gandhigram 624302, India.
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23
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Karami K, Hosseini-Kharat M, Sadeghi-Aliabadi H, Lipkowski J, Mirian M. In vitro cytotoxicity studies of palladacyclic complexes containing the symmetric diphosphine bridging ligand. Studies of their interactions with DNA and BSA. Eur J Med Chem 2014; 73:8-17. [DOI: 10.1016/j.ejmech.2013.11.042] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 11/18/2013] [Accepted: 11/24/2013] [Indexed: 10/25/2022]
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Ezzati Nazhad Dolatabadi J, Panahi-Azar V, Barzegar A, Jamali AA, Kheirdoosh F, Kashanian S, Omidi Y. Spectroscopic and molecular modeling studies of human serum albumin interaction with propyl gallate. RSC Adv 2014. [DOI: 10.1039/c4ra11103f] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
For the first time, PG interaction with HSA using fluorescence quenching method, circular dichroism spectroscopy and molecular modeling was investigated.
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Affiliation(s)
- Jafar Ezzati Nazhad Dolatabadi
- Research Center for Pharmaceutical Nanotechnology
- Faculty of Pharmacy
- Tabriz University of Medical Sciences
- Tabriz, Iran
- Student Research Committee
| | - Vahid Panahi-Azar
- Drug Applied Research Center
- Tabriz University of Medical Sciences
- Tabriz, Iran
| | - Abolfazl Barzegar
- Research Institute for Fundamental Sciences (RIFS)
- University of Tabriz
- Tabriz, Iran
| | - Ali Akbar Jamali
- Department of Bioinformatics
- Research Institute of Modern Biological Techniques (RIMBT)
- University of Zanjan
- Zanjan, Iran
| | - Fahimeh Kheirdoosh
- Faculty of Chemistry & Nanoscience and Nanotechnology Research Center (NNRC)
- Razi University
- Kermanshah, Iran
| | - Soheila Kashanian
- Faculty of Chemistry & Nanoscience and Nanotechnology Research Center (NNRC)
- Razi University
- Kermanshah, Iran
| | - Yadollah Omidi
- Research Center for Pharmaceutical Nanotechnology
- Faculty of Pharmacy
- Tabriz University of Medical Sciences
- Tabriz, Iran
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25
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Bolel P, Datta S, Mahapatra N, Halder M. Exploration of pH-Dependent Behavior of the Anion Receptor Pocket of Subdomain IIA of HSA: Determination of Effective Pocket Charge Using the Debye–Hückel Limiting Law. J Phys Chem B 2013; 118:26-36. [DOI: 10.1021/jp407057f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Priyanka Bolel
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India
| | - Shubhashis Datta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India
| | - Niharendu Mahapatra
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India
| | - Mintu Halder
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India
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26
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Bi S, Pang B, Wang T, Zhao T, Yu W. Investigation on the interactions of clenbuterol to bovine serum albumin and lysozyme by molecular fluorescence technique. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 120:456-461. [PMID: 24211804 DOI: 10.1016/j.saa.2013.09.137] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 09/13/2013] [Accepted: 09/29/2013] [Indexed: 06/02/2023]
Abstract
Clenbuterol interacting with bovine serum albumin (BSA) or lysozyme (LYS) in physiological buffer (pH 7.4) was investigated by the fluorescence spectroscopy and UV-vis absorption spectroscopy. The results indicated that clenbuterol quenched the intrinsic fluorescence of BSA and LYS via a static quenching procedure. The binding constants of clenbuterol with BSA and LYS were 1.16×10(3) and 1.49×10(3) L mol(-1) at 291 K. The values of ΔH and ΔS implied that hydrophobic and electrostatic interaction played a major role in stabilizing the complex (clenbuterol-BSA or clenbuterol-LYS). In the presence of Fe2+, Fe3+, Cu2+, Mg2+, Ca2+, or Zn2+, the binding constants of clenbuterol to BSA or LYS had no significant differences. The distances between the donor (BSA or LYS) and acceptor (clenbuterol) were 2.61 and 2.19 nm for clenbuterol-BSA and clenbuterol-LYS respectively. Furthermore, synchronous fluorescence spectrometry was used to analyze the conformational changes of BSA and LYS.
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Affiliation(s)
- Shuyun Bi
- College of Chemistry, Changchun Normal University, Changchun 130032, PR China.
| | - Bo Pang
- College of Chemistry, Changchun Normal University, Changchun 130032, PR China
| | - Tianjiao Wang
- College of Chemistry, Changchun Normal University, Changchun 130032, PR China
| | - Tingting Zhao
- College of Chemistry, Changchun Normal University, Changchun 130032, PR China
| | - Wang Yu
- College of Chemistry, Changchun Normal University, Changchun 130032, PR China
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27
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Investigation of the interaction of the new antiarrhythmic drug procainamide hydrochloride with bovine serum albumin and the effect of some metal ions on the binding: a fluorescence quenching study. MONATSHEFTE FUR CHEMIE 2013. [DOI: 10.1007/s00706-013-0933-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Zhu LN, Wu B, Kong DM. Specific recognition and stabilization of monomeric and multimeric G-quadruplexes by cationic porphyrin TMPipEOPP under molecular crowding conditions. Nucleic Acids Res 2013; 41:4324-35. [PMID: 23430152 PMCID: PMC3627595 DOI: 10.1093/nar/gkt103] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Ligands targeting telomeric G-quadruplexs are considered good candidates for anticancer drugs. However, current studies on G-quadruplex ligands focus exclusively on the interactions of ligands and monomeric G-quadruplexes under dilute conditions. Living cells are crowded with biomacromolecules, and the ∼200-nucleotide G-rich single-stranded overhang of human telomeric DNA has the potential to fold into multimeric G-quadruplex structures containing several G-quadruplex units. Studies on interactions between ligands and multimeric G-quadruplexes under molecular crowding conditions could provide a new route for screening specific telomeric G-quadruplex-targeting ligands. Herein, TMPipEOPP, a cationic porphyrin derivative designed by us, was demonstrated as a promising multimeric telomeric G-quadruplex ligand under molecular crowding conditions. It could highly specifically recognize G-quadruplexes. It could also promote the formation of G-quadruplexes and stabilize them. Detailed studies showed that TMPipEOPP interacted with monomeric G-quadruplexes in sandwich-like end-stacking mode of quadruplex/TMPipEOPP/quadruplex and interacted with multimeric human telomeric G-quadruplexes by intercalating into the pocket between two adjacent G-quadruplex units. The pocket size greatly affected TMPipEOPP binding. A larger pocket was advantageous for the intercalation of TMPipEOPP. This work provides new insights into the ligand-binding properties of multimeric G-quadruplexes under molecular crowding conditions and introduces a new route for screening anticancer drugs targeting telomeric G-quadruplexes.
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Affiliation(s)
- Li-Na Zhu
- Department of Chemistry, Tianjin University, Tianjin 300072, PR China.
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29
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Spectroscopic investigations on the interactions of potent platinum(II) anticancer agents with bovine serum albumin. J Chem Biol 2012; 5:105-13. [PMID: 23667391 DOI: 10.1007/s12154-012-0074-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 03/27/2012] [Indexed: 12/17/2022] Open
Abstract
The interactions of three platinum(II)-based anticancer complexes [(5,6-dimethyl-1,10-phenanthroline)(1S,2S-diaminocyclohexane)platinum(II)](2+), [(5,6-dimethyl-1,10-phenanthroline)(1R,2R-diaminocyclohexane)platinum(II)](2+), and [(5,6-dimethyl-1,10-phenanthroline)(1,2-diaminoethane)platinum(II)](2+) (56MEEN) with BSA have been examined by circular dichroism (CD), fluorescence and (1)H pulsed gradient spin-echo (PGSE) diffusion NMR spectroscopy. The number of association constants and sites differed depending upon the spectroscopic method. This may be because each technique monitors different types of interaction/s and/or as a consequence of the different concentration ranges required for each technique. The titration of BSA with the achiral 56MEEN as monitored by CD indicates a reduction in the α-helical nature of the albumin, with the association constant calculated to be ~5 × 10(6) M(-1) for one site. Due to the chiral nature of the other two complexes, their association with albumin was not monitored using CD but was examined using fluorescence and PGSE diffusion NMR. Titration of BSA with any of the three metal complexes resulted in quenching of fluorescence, with the number of association sites calculated to be ~1.1, with an association constant of ~2 × 10(5) M(-1). PGSE diffusion NMR provided insights into interactions occurring with the BSA in its entirety, rather than with individual regions. Metal complex binding sites were estimated (~10 equivalent) from the diffusion data, with the average association constant for all sites ~10(2)-10(3)M(-1). These experiments highlight the information that can be elucidated from complementary spectroscopic techniques and demonstrate the usefulness of PGSE diffusion NMR in monitoring multiple weak binding sites, which is of great importance in studying drug-biomolecule interactions.
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30
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Wang Z, Li J, Wang J, Zou M, Wang S, Li Y, Kong Y, Xia L. Spectrometry researches on interaction and sonodynamic damage of riboflavin (RF) to bovine serum albumin (BSA). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 87:1-10. [PMID: 22154267 DOI: 10.1016/j.saa.2011.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2011] [Revised: 11/02/2011] [Accepted: 11/09/2011] [Indexed: 05/31/2023]
Abstract
In this paper, the riboflavin (RF) was used to study the interaction and sonodynamic damage to bovine serum albumin (BSA) by fluorescence and UV-vis spectroscopy. The results showed that the RF could efficiently bind to BSA in aqueous solution. Under ultrasonic irradiation, the RF could obviously damage the BSA. In addition, synchronous fluorescence spectroscopy revealed that the RF showed more accessible to tryptophan (Trp) residues than to tyrosine (Tyr) residues. Also, it damaged Trp residues more seriously than Tyr residues under ultrasonic irradiation. At last, the generation of reactive oxygen species (ROS) in sonodynamic process was estimated by the method of Oxidation-Extraction Spectrometry (OES). And then, several radical scavengers were used to determine the kind of ROS. It was found that at least the singlet oxygen ((1)O(2)) and hydroxyl radicals (*OH) were generated.
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Affiliation(s)
- Zhiqiu Wang
- College of Chemistry, Liaoning University, Shenyang 110036, PR China
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31
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Rhenium(I)-based fluorescence resonance energy transfer probe for conformational changes of bovine serum albumin. J Photochem Photobiol A Chem 2012. [DOI: 10.1016/j.jphotochem.2011.10.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Zhang MF, Fu L, Wang J, Xu ZQ, Jiang FL, Liu Y. Spectroscopic and electrochemical studies on the interaction of an inclusion complex of β-cyclodextrin/fullerene with bovine serum albumin in aqueous solution. J Photochem Photobiol A Chem 2012. [DOI: 10.1016/j.jphotochem.2011.11.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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33
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Krishnamoorthy P, Sathyadevi P, Butorac RR, Cowley AH, Bhuvanesh NSP, Dharmaraj N. Copper(i) and nickel(ii) complexes with 1 : 1 vs. 1 : 2 coordination of ferrocenyl hydrazone ligands: Do the geometry and composition of complexes affect DNA binding/cleavage, protein binding, antioxidant and cytotoxic activities? Dalton Trans 2012; 41:4423-36. [DOI: 10.1039/c2dt11938b] [Citation(s) in RCA: 133] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Sathyadevi P, Krishnamoorthy P, Alagesan M, Thanigaimani K, Thomas Muthiah P, Dharmaraj N. Synthesis, crystal structure, electrochemistry and studies on protein binding, antioxidant and biocidal activities of Ni(II) and Co(II) hydrazone complexes. Polyhedron 2012. [DOI: 10.1016/j.poly.2011.09.021] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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35
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Fukushima K, Takahashi T, Takaguchi M, Ueyama H, Ito S, Kurebayashi Y, Kawanishi T, McKimm-Breschkin JL, Takimoto T, Minami A, Suzuki T. Plaque formation assay for human parainfluenza virus type 1. Biol Pharm Bull 2011; 34:996-1000. [PMID: 21720003 DOI: 10.1248/bpb.34.996] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Human parainfluenza virus type 1 (hPIV1) generally does not show visible plaques in common cell lines, including Lewis lung carcinoma-monkey kidney (LLC-MK(2)) cells, by plaque formation assays for human parainfluenza virus type 3 (hPIV3) and Sendai virus. In several conditions of the plaque formation assay, complete elimination of serum proteins in the overlay medium was necessary for visualization of hPIV1-induced plaque formation in LLC-MK(2) cells. We developed a plaque formation assay for hPIV1 isolation and titration in LLC-MK(2) cells using an initial overlay medium of bovine serum albumin-free Eagle's minimum essential medium containing agarose and acetylated trypsin for 4-6 d followed by a second overlay staining medium containing agarose and neutral red. The assay allowed both laboratory and clinical hPIV1 strains to form large plaques. The plaque reduction assay was also performed with rabbit anti-hPIV1 antibody as a general evaluation model of viral inhibitors to decrease both the plaque number and size. The results indicate that the plaque formation assay is useful for hPIV1 isolation, titration, evaluation of antiviral reagents and epidemiologic research.
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Affiliation(s)
- Keijo Fukushima
- Department of Biochemistry, School of Pharmaceutical Sciences and Global COE Program for Innovation in Human Health Sciences, University of Shizuoka, 52–1 Yada, Shizuoka 422–8526, Japan
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36
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Rajabi M, Khalilzadeh MA, Tavakolinia F, Signorelli P, Ghidoni R, Santaniello E. Naphthalene-fused (α-alkoxycarbonyl)methylene-γ-butyrolactones: antiproliferative activity and binding to bovine serum albumin and DNA. DNA Cell Biol 2011; 31:783-9. [PMID: 22074127 DOI: 10.1089/dna.2011.1433] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A naphthalene-fused (α-alkoxycarbonyl)methylene-γ-butyrolactone (methyl 2-[7-hydroxy-2-oxonaphtho[1,2-b]furan-3(2H)-yliden]acetate) has been prepared as a representative compound of a potential class of cytotoxic agents. In vitro cytotoxicity has been evaluated against HCT-15 colon and MCF-7 breast cancer cells and IC(50) was 64-66 μM, causing morphological changes in cells, such as loss of adhesion, rounding, cell shrinkage, and detachment from the substratum. The binding constant K of the complex between the naphthyl lactone with bovine serum albumin (8 × 10(3) M(-1)) suggests a minor change in protein folding. The K of the binding with DNA (1.06 × 10(4) M(-1)) suggests nonspecific electrostatic interactions with DNA and this was confirmed by melting point data (Tm<0.6 °C). Therefore, naphthalene-fused (α-alkoxycarbonyl)methylene-γ-butyrolactone should not be able to intercalate with DNA but its interaction should occur at the level of DNA surface.
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Affiliation(s)
- Mehdi Rajabi
- Department of Chemistry and Biochemistry, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran.
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37
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Bhuvaneswari J, Mareeswaran PM, Shanmugasundaram S, Rajagopal S. Protein binding studies of luminescent rhenium(I) diimine complexes. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.05.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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38
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Li D, Wang Y, Chen J, Ji B. Characterization of the interaction between farrerol and bovine serum albumin by fluorescence and circular dichroism. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 79:680-686. [PMID: 21531170 DOI: 10.1016/j.saa.2011.04.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2010] [Revised: 03/27/2011] [Accepted: 04/04/2011] [Indexed: 05/30/2023]
Abstract
The binding of farrerol to bovine serum albumin (BSA) in aqueous solution was investigated by fluorescence quenching spectra, synchronous fluorescence spectra, circular dichroism (CD) and the three-dimensional (3D) fluorescence spectra at pH 7.40. The results of fluorescence titration indicated that farrerol could quench the intrinsic fluorescence of BSA in a static quenching way. The cause of showing upward curvy patterns in Stern-Volmer plots was analyzed. The binding sites number n and binding constant K using fluorescence quenching equation at 310 K were calculated. The binding distance and the energy transfer efficiency between farrerol and BSA were also obtained according to the theory of Förster's non-radiation energy transfer. The effect of some metal ions on the binding constant of farrerol with BSA was also studied. The effect of farrerol on the conformation of BSA was analyzed using CD, synchronous fluorescence spectra and three-dimensional (3D) fluorescence spectra under experimental conditions. Furthermore, the fluorescence displacement experiments indicated that farrerol could bind to the site I of BSA.
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Affiliation(s)
- Daojin Li
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471022, China
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Li D, Zhu M, Xu C, Chen J, Ji B. The effect of Cu2+ or Fe3+ on the noncovalent binding of rutin with bovine serum albumin by spectroscopic analysis. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 78:74-79. [PMID: 20961801 DOI: 10.1016/j.saa.2010.08.069] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2010] [Revised: 08/18/2010] [Accepted: 08/25/2010] [Indexed: 05/30/2023]
Abstract
The interaction of rutin to bovine serum albumin (BSA) in aqueous solution was investigated by fluorescence spectra and ultraviolet-visible (UV-vis) spectra at pH 7.40. There are also some metal ions present in blood plasma, thus the research about the effect of metal ions on the interaction of drugs with proteins is crucial. Therefore, we have studied the effect of Cu2+ or Fe3+ on the interaction between rutin and BSA by using spectroscopic technique at pH 7.40, for the first time. The results of fluorescence titration indicated that rutin could quench the intrinsic fluorescence of BSA in a static quenching way. The binding sites number (n), the binding constant (K) and the spatial-distance (r) of rutin with BSA without or with Cu2+ or Fe3+ at 310 K were calculated. The result showed that the presence of Cu2+ or Fe3+ increased the binding constant and changed the binding distance between the acceptor and the donor, which possibly results from the formation of metal ions-BSA complex. The effect of rutin on the conformation of BSA was also analyzed using UV under experimental conditions. Furthermore, the fluorescence displacement experiments indicated that rutin is situated within subdomain IIA of BSA.
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Affiliation(s)
- Daojin Li
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471022, China
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40
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Akbay N, Topkaya D, Ergün Y, Alp S, Gök E. Fluorescence study on the interaction of bovine serum albumin with two coumarin derivatives. JOURNAL OF ANALYTICAL CHEMISTRY 2010. [DOI: 10.1134/s1061934810040088] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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41
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Yang Q, Liang J, Han H. Probing the Interaction of Magnetic Iron Oxide Nanoparticles with Bovine Serum Albumin by Spectroscopic Techniques. J Phys Chem B 2009; 113:10454-8. [DOI: 10.1021/jp904004w] [Citation(s) in RCA: 183] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qinqin Yang
- College of Science, State Key Laboratory of Agricultural Microbiology, Institute of Chemical Biology, Huazhong Agricultural University, Wuhan, 430070, People’s Republic of China
| | - Jiangong Liang
- College of Science, State Key Laboratory of Agricultural Microbiology, Institute of Chemical Biology, Huazhong Agricultural University, Wuhan, 430070, People’s Republic of China
| | - Heyou Han
- College of Science, State Key Laboratory of Agricultural Microbiology, Institute of Chemical Biology, Huazhong Agricultural University, Wuhan, 430070, People’s Republic of China
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42
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Shahabadi N, Maghsudi M. Binding studies of a new copper (II) complex containing mixed aliphatic and aromatic dinitrogen ligands with bovine serum albumin using different instrumental methods. J Mol Struct 2009. [DOI: 10.1016/j.molstruc.2009.04.027] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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43
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44
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Fluorometric probing on the binding of hematoxylin to serum albumin. Mol Biol Rep 2009; 36:2299-306. [DOI: 10.1007/s11033-009-9448-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2008] [Accepted: 01/06/2009] [Indexed: 10/21/2022]
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45
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Yue Y, Chen X, Qin J, Yao X. Spectroscopic investigation on the binding of antineoplastic drug oxaliplatin to human serum albumin and molecular modeling. Colloids Surf B Biointerfaces 2008; 69:51-7. [PMID: 19084386 DOI: 10.1016/j.colsurfb.2008.10.016] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2008] [Revised: 10/23/2008] [Accepted: 10/28/2008] [Indexed: 11/24/2022]
Abstract
This study was designed to examine the interaction of oxaliplatin with human serum albumin (HSA) under physiological conditions by using fluorescence, absorption, FT-IR and circular dichroism (CD) spectroscopic techniques in combination with molecular docking study. Spectroscopic analysis of the emission quenching at different temperatures has revealed that the quenching mechanism of oxaliplatin with HSA was static quenching mechanism. The value of 1.64nm for the distance r between the donor (HSA) and acceptor (oxaliplatin) was derived from the fluorescence resonance energy transfer. From the CD and FT-IR results, it was apparent that the interaction of oxaliplatin with HSA caused a conformational change of the protein. Molecular docking study showed that oxaliplatin bind to residues located in subdomain IIA of HSA. The effect of metal ions and amino acids on the binding constant of HSA-oxaliplatin complex was also discussed.
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Affiliation(s)
- Yuanyuan Yue
- Department of Chemistry, Lanzhou University, Lanzhou 730000, PR China
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Mei P, Zhang YZ, Zhang XP, Yan CX, Zhang H, Liu Y. Spectroscopic investigation of the interaction between copper (II) 2-oxo-propionic acid salicyloyl hydrazone complex and bovine serum albumin. Biol Trace Elem Res 2008; 124:269-82. [PMID: 18478191 DOI: 10.1007/s12011-008-8147-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2008] [Accepted: 04/17/2008] [Indexed: 10/22/2022]
Abstract
The interaction between copper (II) 2-oxo-propionic acid salicyloyl hydrazone (Cu(II)L) and bovine serum albumin (BSA) under physiological conditions was investigated by the methods of fluorescence spectroscopy, UV-Vis absorption, and circular dichroism spectroscopy. Fluorescence data showed that the fluorescence quenching of BSA by Cu(II)L was the result of the formation of the BSA-Cu(II)L complex. The apparent binding constants (K (a)) between Cu(II)L and BSA at four different temperatures were obtained according to the modified Stern-Volmer equation. The thermodynamic parameters, enthalpy change (DeltaH) and entropy change (DeltaS), for the reaction were calculated to be -80.79 kJ mol(-1) and -175.48 J mol(-1) K(-1) according to van't Hoff equation. The results indicated that van der Waals force and hydrogen bonds were the dominant intermolecular force in stabilizing the complex. The binding distance (r) between Cu(II)L and the tryptophan residue of BSA was obtained to be 4.1 nm according to Förster's nonradioactive energy transfer theory. The conformational investigation showed that the application of Cu(II)L increased the hydrophobicity of amino acid residues and decreased the alpha-helical content of BSA (from 62.71% to 37.31%), which confirmed some microenvironmental and conformational changes of BSA molecules.
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Affiliation(s)
- Ping Mei
- Department of Chemistry, College of Chemistry and Environmental Engineering, Yangtze University, Hubei, 434023, People's Republic of China
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Synthesis of an octupolar compound and its biological effects on serum albumin. Mol Biol Rep 2008; 36:1405-11. [PMID: 18704755 DOI: 10.1007/s11033-008-9329-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2008] [Accepted: 07/30/2008] [Indexed: 10/21/2022]
Abstract
A special rigid planar structural octupolar molecule titled 2,4,6-tris(p-methylstyryl)-s-triazine (TMT) was synthesized and its interaction with bovine serum albumin (BSA) were studied by molecular spectroscopy. The quenching mechanism of fluorescence of BSA by TMT was discussed. The thermodynamic parameters DeltaH(theta), DeltaG(theta), DeltaS(theta) at different temperatures were calculated and the results indicate hydrogen bond forces played major role in the reaction and the reaction was mainly enthalpy-driven. The distance r between donor (BSA) and acceptor (TMT) was obtained according to Förster theory of non-radiation energy transfer. Circular dichroism (CD) spectra, synchronous and three-dimensional fluorescence spectra were used to investigate the structural change of BSA molecules with addition of TMT, the result indicates that the alpha-helical structures of BSA molecules reduced in the presence of TMT. Sketch map of the interaction process was analyzed at molecular level.
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Wang N, Ye L, Zhao B, Yu J. Spectroscopic studies on the interaction of efonidipine with bovine serum albumin. Braz J Med Biol Res 2008; 41:589-95. [DOI: 10.1590/s0100-879x2008000700007] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2007] [Accepted: 06/18/2008] [Indexed: 11/22/2022] Open
Affiliation(s)
- N. Wang
- Capital Medical University, P.R. China
| | - L. Ye
- Capital Medical University, P.R. China
| | - B.Q. Zhao
- Capital Medical University, P.R. China
| | - J.X. Yu
- Capital Medical University, P.R. China
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Xiao JB, Chen XQ, Jiang XY, Hilczer M, Tachiya M. Probing the Interaction of Trans-resveratrol with Bovine Serum Albumin: A Fluorescence Quenching Study with Tachiya Model. J Fluoresc 2008; 18:671-8. [PMID: 18351302 DOI: 10.1007/s10895-008-0346-x] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2007] [Accepted: 02/07/2008] [Indexed: 02/08/2023]
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