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Akhavan-Bahabadi M, Paknejad H, Hedayati A, Habibi-Rezaei M. Fractionation of the Caspian sand goby epidermal exudates using membrane ultrafiltration and reversed-phase chromatography: an investigation on bioactivities. Sci Rep 2024; 14:1716. [PMID: 38242928 PMCID: PMC10799039 DOI: 10.1038/s41598-024-52126-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 01/14/2024] [Indexed: 01/21/2024] Open
Abstract
Bioactive peptide-based drugs have gained exceeding attention as promising treatments for infectious and oxidative-stress-related diseases, are exacerbated by the advent and spread of various multidrug-resistant bacteria and industrial lifestyles. Fish skin mucus has been recognized as a potential source of bioactive peptides, providing the first line of fish defense against invading pathogens which are targeted here to be explored as a new source of biopharmaceutics. Peptide fractions were isolated from the epidermal exudates of Caspian sand goby, Neogobius fluviatilis pallasi, by solid-phase extraction (SPE), ultrafiltration, and reversed-phase chromatography. The resulting fractions were characterized for their antibacterial and antioxidant properties, and results showed that the molecular weight fraction < 5 kDa represented the highest (p < 0.05) bacterial inhibition activity against Staphylococcus aureus and Bacillus subtilis as well as scavenging activity against DPPH and ABTS radicals. Overall, these results introduce the epidermal mucus of Caspian sand goby as a valuable source of bioactive compounds that can be considered new and efficient biopharmaceutics.
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Affiliation(s)
- Mohammad Akhavan-Bahabadi
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgān, Iran.
- Protein Biotechnology Research Lab (PBRL), School of Biology, College of Science, University of Tehran, Tehran, Iran.
- National Research Center of Saline Water Aquatics, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Bafq, Yazd, Iran.
| | - Hamed Paknejad
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgān, Iran
| | - Aliakbar Hedayati
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgān, Iran
| | - Mehran Habibi-Rezaei
- Protein Biotechnology Research Lab (PBRL), School of Biology, College of Science, University of Tehran, Tehran, Iran
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2
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Arghavani P, Badiei A, Ghadami SA, Habibi-Rezaei M, Moosavi-Movahedi F, Delphi L, Moosavi-Movahedi AA. Inhibiting mTTR Aggregation/Fibrillation by a Chaperone-like Hydrophobic Amino Acid-Conjugated SPION. J Phys Chem B 2022; 126:1640-1654. [PMID: 35090112 DOI: 10.1021/acs.jpcb.1c08796] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Transthyretin (TTR) aggregation via misfolding of a mutant or wild-type protein leads to systemic or partial amyloidosis (ATTR). Here, we utilized variable biophysical assays to characterize two distinct aggregation pathways for mTTR (a synthesized monomer TTR incapable of association into a tetramer) at pH 4.3 and also pH 7.4 with agitation, referred to as mTTR aggregation and fibrillation, respectively. The findings suggest that early-stage conformational changes termed monomer activation here determine the aggregation pathway, resulting in developing either amorphous aggregates or well-organized fibrils. Less packed partially unfolded monomers consisting of more non-regular secondary structures that were rapidly produced via a mildly acidic condition form amorphous aggregates. Meanwhile, more hydrophobic and packed monomers consisting of rearranged β sheets and increased helical content developed well-organized fibrils. Conjugating superparamagnetic iron oxide nanoparticles (SPIONs) with leucine and glutamine (L-SPIONs and G-SPIONs in order) via a trimethoxysilane linker provided the chance to study the effect of hydrophobic/hydrophilic surfaces on mTTR aggregation. The results indicated a powerful inhibitory effect of hydrophobic L-SPIONs on both mTTR aggregation and fibrillation. Monomer depletion was introduced as the governing mechanism for inhibiting mTTR aggregation, while a chaperone-like property of L-SPIONs by maintaining an mTTR native structure and adsorbing oligomers suppressed the progression of further fibril formation.
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Affiliation(s)
- Payam Arghavani
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran
| | - Alireza Badiei
- School of Chemistry, College of Science, University of Tehran, Tehran 1417614411, Iran
| | - Seyyed Abolghasem Ghadami
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran 1993893973, Iran
| | - Mehran Habibi-Rezaei
- School of Biology, College of Science, University of Tehran, Tehran 1417614411, Iran
| | | | - Ladan Delphi
- Department of Animal Biology, College of Science, University of Tehran, Tehran 1417614411, Iran
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Bagherzadeh-Yazdi M, Bohlooli M, Khajeh M, Ghamari F, Ghaffari-Moghaddam M, Poormolaie N, Khatibi A, Hasanein P, Sheibani N. Acetoacetate enhancement of glucose mediated DNA glycation. Biochem Biophys Rep 2020; 25:100878. [PMID: 33364448 PMCID: PMC7750490 DOI: 10.1016/j.bbrep.2020.100878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 11/05/2020] [Accepted: 12/09/2020] [Indexed: 11/17/2022] Open
Abstract
Acetoacetate (AA) is a ketone body, which generates reactive oxygen species (ROS). ROS production is impacted by the formation of covalent bonds between amino groups of biomacromolecules and reducing sugars (glycation). Glycation can damage DNA by causing strand breaks, mutations, and changes in gene expression. DNA damage could contribute to the pathogenesis of various diseases, including neurological disorders, complications of diabetes, and aging. Here we studied the enhancement of glucose-mediated DNA glycation by AA for the first time. The effect of AA on the structural changes, Amadori and advanced glycation end products (AGEs) formation of DNA incubated with glucose for 4 weeks were investigated using various techniques. These included UV-Vis, circular dichroism (CD) and fluorescence spectroscopy, and agarose gel electrophoresis. The results of UV-Vis and fluorescence spectroscopy confirmed that AA increased the DNA-AGE formation. The NBT test showed that AA also increased Amadori product formation of glycated DNA. Based on the CD and agarose gel electrophoresis results, the structural changes of glycated DNA was increased in the presence of AA. The chemiluminescence results indicated that AA increased ROS formation. Thus AA has an activator role in DNA glycation, which could enhance the adverse effects of glycation under high glucose conditions.
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Affiliation(s)
| | - M Bohlooli
- Department of Biology, University of Zabol, Zabol, Iran
| | - M Khajeh
- Department of Chemistry, University of Zabol, Zabol, Iran
| | - F Ghamari
- Department of Biology, Payame Noor University, Ghazvin, Iran
| | | | - N Poormolaie
- Department of Chemistry, University of Zabol, Zabol, Iran
| | - A Khatibi
- Department of Biotechnology, Alzahra University, Tehran, Iran
| | - P Hasanein
- Department of Biology, University of Zabol, Zabol, Iran
| | - N Sheibani
- Departments of Ophthalmology and Visual Sciences, Cell and Regenerative Biology, and Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Haque E, Kamil M, Hasan A, Irfan S, Sheikh S, Khatoon A, Nazir A, Mir SS. Advanced glycation end products (AGEs), protein aggregation and their cross talk: new insight in tumorigenesis. Glycobiology 2020; 30:49-57. [PMID: 31508802 DOI: 10.1093/glycob/cwz073] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 08/21/2019] [Accepted: 08/28/2019] [Indexed: 12/15/2022] Open
Abstract
Protein glycation and protein aggregation are two distinct phenomena being observed in cancer cells as factors promoting cancer cell viability. Protein aggregation is an abnormal interaction between proteins caused as a result of structural changes in them after any mutation or environmental assault. Protein aggregation is usually associated with neurodegenerative diseases like Alzheimer's and Parkinson's, but of late, research findings have shown its association with the development of different cancers like lung, breast and ovarian cancer. On the contrary, protein glycation is a cascade of irreversible nonenzymatic reaction of reducing sugar with the amino group of the protein resulting in the modification of protein structure and formation of advanced glycation end products (AGEs). These AGEs are reported to obstruct the normal function of proteins. Lately, it has been reported that protein aggregation occurs as a result of AGEs. This aggregation of protein promotes the transformation of healthy cells to neoplasia leading to tumorigenesis. In this review, we underline the current knowledge of protein aggregation and glycation along with the cross talk between the two, which may eventually lead to the development of cancer.
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Affiliation(s)
- Ejazul Haque
- Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India.,Department of Immunology and Medical Genetics, School of Medicine, University of Split, Soltanskaul. 2, 21000, Split, Croatia
| | - Mohd Kamil
- Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India.,Department of Immunology and Medical Genetics, School of Medicine, University of Split, Soltanskaul. 2, 21000, Split, Croatia.,Department of Microbiology, Beykoz Life Sciences and Biotechnology Institute (BILSAB), Bezmialem Vakif University, Istanbul, Turkey
| | - Adria Hasan
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Safia Irfan
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Saba Sheikh
- Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India
| | - Aisha Khatoon
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Aamir Nazir
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram extension, Sitapur Road, Lucknow, 226031, India
| | - Snober S Mir
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
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Mohammadzadeh-Aghdash H, Akbari N, Esazadeh K, Ezzati Nazhad Dolatabadi J. Molecular and technical aspects on the interaction of serum albumin with multifunctional food preservatives. Food Chem 2019; 293:491-498. [DOI: 10.1016/j.foodchem.2019.04.119] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 10/26/2022]
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Song L, Ge X, Ye Q, Boone K, Xie SX, Misra A, Tamerler C, Spencer P. Modulating pH through lysine integrated dental adhesives. Dent Mater 2018; 34:1652-1660. [PMID: 30201287 DOI: 10.1016/j.dental.2018.08.293] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/07/2018] [Accepted: 08/27/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVES The objective of this study was to explore the effect of lysine integration to dental adhesives with respect to the polymerization kinetics, neutralization capacities in the acidic microenvironment, dynamic mechanical properties, and thermal properties. MATERIALS AND METHOD Lysine was incorporated into liquid resin formulations at 2.5 and 5.0wt % with additional water/ethanol co-solvents. The co-monomer system contained 2-hydroxyethyl-methacrylate (HEMA) and Bisphenol A glycerolate dimethacrylate (BisGMA) with a mass ratio of 45/55. The kinetics of photopolymerization, neutralization capacities, lysine-leaching, dynamic mechanical properties and thermal properties of the control and experimental adhesives were analyzed. RESULTS The degree of conversion of the experimental adhesive was increased substantially at 2.5wt% lysine as compared to the control. The experimental polymers provided acute neutralization of the acidic microenvironment. Approximately half of the lysine was released from the polymer network within one month. Under dry conditions and physiologic temperatures, the incorporation of lysine did not compromise the storage modulus. Comparison of the thermal properties suggests that the more compact structure of the control adhesive inhibits movement of the polymer chains resulting in increased Tg. SIGNIFICANCE Incorporating lysine in the adhesive formulations led to promising results regarding modulating pH, which may serve as one aspect of a multi-spectrum approach for enhancing the durability of composite restorations. The results provide insight and lay a foundation for incorporating amino acids or peptides into adhesive formulations for pH modulation or desired bioactivity at the interfacial margin between the composite and tooth.
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Affiliation(s)
- Linyong Song
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Xueping Ge
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Qiang Ye
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Kyle Boone
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Sheng-Xue Xie
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Anil Misra
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA; Department of Civil Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Candan Tamerler
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA; Department of Mechanical Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA
| | - Paulette Spencer
- Institute for Bioengineering Research, School of Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA; Department of Mechanical Engineering, University of Kansas, 1530 W. 15th Street, Lawrence, KS 66045-7609, USA.
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7
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The status of glycation in protein aggregation. Int J Biol Macromol 2017; 100:67-74. [DOI: 10.1016/j.ijbiomac.2015.12.085] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 12/28/2015] [Indexed: 12/15/2022]
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8
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Colina-Vegas L, Luna-Dulcey L, Plutín AM, Castellano EE, Cominetti MR, Batista AA. Half sandwich Ru(ii)-acylthiourea complexes: DNA/HSA-binding, anti-migration and cell death in a human breast tumor cell line. Dalton Trans 2017; 46:12865-12875. [DOI: 10.1039/c7dt01801k] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Eight Ru(ii) complexes were synthesized. The activities against MDA-MB-231 cells include anti-migration, arrest at the sub-G1 phase and cell death by apoptosis.
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Affiliation(s)
| | - Liany Luna-Dulcey
- Departamento de Gerontologia
- Universidade Federal de São Carlos
- Brasil
| | - Ana M. Plutín
- Departamento de Química Orgánica
- Universidad de La Habana
- Cuba
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Esfandfar P, Falahati M, Saboury A. Spectroscopic studies of interaction between CuO nanoparticles and bovine serum albumin. J Biomol Struct Dyn 2016; 34:1962-8. [PMID: 26555383 DOI: 10.1080/07391102.2015.1096213] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Recently, the great interests in manufacturing and application of metal oxide nanoparticles in commercial and industrial products have led to focus on the potential impact of these particles on biomacromolecules. In the present study, the interaction of copper oxide (CuO) nanoparticles with bovine serum albumin (BSA) was studied by spectroscopic techniques. The zeta potential value for BSA and CuO nanoparticles with average diameter of around 50 nm at concentration of 10 μM in the deionized (DI) water were -5.8 and -22.5 mV, respectively. Circular dichroism studies did not show any changes in the content of secondary structure of the protein after CuO nanoparticles interaction. Fluorescence data revealed that the fluorescence quenching of BSA by CuO nanoparticles was the result of the formed complex of CuO nanoparticles - BSA. Binding constants and other thermodynamic parameters were determined at three different temperatures. The hydrogen bond interactions are the predominant intermolecular forces to stabilize the CuO nanoparticle - BSA complex. This study provides important insight into the interaction of CuO nanoparticles with proteins, which may be of importance for further application of these nanoparticles in biomedical applications.
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Affiliation(s)
- Paniz Esfandfar
- a Department of Biomedical Engineering, Science and Research Branch , Islamic Azad University , Tehran , Iran
| | - Mojtaba Falahati
- b Department of Nanotechnology , Faculty of Advance Science and Technology, Pharmaceutical Sciences Branch , Islamic Azad University (IAUPS) , Tehran , Iran
| | - AliAkbar Saboury
- c Institute of Biochemistry and Biophysics, University of Tehran , Tehran , Iran
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Hosseinzadeh R, Khorsandi K. Interaction of vitamin B1 with bovine serum albumin investigation using vitamin B1-selective electrode: potentiometric and molecular modeling study. J Biomol Struct Dyn 2016; 34:1903-10. [PMID: 26372107 DOI: 10.1080/07391102.2015.1094414] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Vitamin B1 or thiamin is one of the B vitamins. All B vitamins help the body to convert food (carbohydrates) into fuel (glucose), which produces energy. The B vitamins are necessary for healthy skin, eyes, hair, and liver. It also could help the nervous system function properly, and is necessary for brain functions. Drug interactions with protein can affect the distribution of the drug and eliminate the drug in living systems. In this study, the binding of thiamine hydrochloride (vitamin B1) to bovine serum albumin (BSA) was evaluated using a new proposed vitamin B1 (thiamine)-selective membrane electrode under various experimental conditions, such as pH, ionic strength, and protein concentration; in addition molecular modeling was applied as well. The binding isotherms plotted based on potentiometric data and analyzed using the Wyman binding potential concept. The apparent binding constant was determined and used for the calculation of intrinsic Gibbs free energy of binding. According to the electrochemical and molecular docking results, it can be concluded that the hydrophobic interactions and hydrogen binding are major interactions between BSA and vitamin B1.
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Yeggoni DPR, Manidhar DM, Suresh Reddy C, Subramanyam R. Investigation of binding mechanism of novel 8-substituted coumarin derivatives with human serum albumin and α-1-glycoprotein. J Biomol Struct Dyn 2016; 34:2023-36. [PMID: 26440860 DOI: 10.1080/07391102.2015.1104264] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Coumarin molecules have biological activities possessing lipid-controlling activity, anti-hepatitis C activity, anti-diabetic, anti-Parkinson activity, and anti-cancer activity. Here, we have presented an inclusive study on the interaction of 8-substituted-7-hydroxy coumarin derivatives (Umb-1/Umb-2) with α-1-glycoprotein (AGP) and human serum albumin (HSA) which are the major carrier proteins in the human blood plasma. Binding constants obtained from fluorescence emission data were found to be KUmb-1=3.1 ± .01 × 10(4) M(-1), KUmb-2 = 7 ± .01 × 10(4) M(-1), which corresponds to -6.1 and -6.5 kcal/mol of free energy for Umb-1 and Umb-2, respectively, suggesting that these derivatives bind strongly to HSA. Also these molecules bind to AGP with binding constants of KUmb-1-AGP=3.1 ± .01 × 10(3) M(-1) and KUmb-2-AGP = 4.6 ± .01 × 10(3) M(-1). Further, the distance, r between the donor (HSA) and acceptor (Umb-1/Umb-2) was calculated based on the Forster's theory of non-radiation energy transfer and the values were observed to be 1.14 and 1.29 nm in Umb-1-HSA and Umb-2-HSA system, respectively. The protein secondary structure of HSA was partially unfolded upon binding of Umb-1 and Umb-2. Furthermore, site displacement experiments with lidocaine, phenylbutazone (IIA), and ibuprofen (IIIA) proves that Umb derivatives significantly bind to subdomain IIIA of HSA which is further supported by docking studies. Furthermore, Umb-1 binds to LYS402 with one hydrogen bond distance of 2.8 Å and Umb-2 binds to GLU354 with one hydrogen bond at a distance of 2.0 Å. Moreover, these molecules are stabilized by hydrophobic interactions and hydrogen bond between the hydroxyl groups of carbon-3 of coumarin derivatives.
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Affiliation(s)
- Daniel Pushpa Raju Yeggoni
- a Department of Plant Sciences , School of Life Sciences, University of Hyderabad , Hyderabad 500046 , India
| | - Darla Mark Manidhar
- b Department of Chemistry , Sri Venkateswara University , Tirupati , Andhra Pradesh 517502 , India
| | - Cirandur Suresh Reddy
- b Department of Chemistry , Sri Venkateswara University , Tirupati , Andhra Pradesh 517502 , India
| | - Rajagopal Subramanyam
- a Department of Plant Sciences , School of Life Sciences, University of Hyderabad , Hyderabad 500046 , India
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Maurya JK, Mir MUH, Maurya N, Dohare N, Ali A, Patel R. A spectroscopic and molecular dynamic approach on the interaction between ionic liquid type gemini surfactant and human serum albumin. J Biomol Struct Dyn 2016; 34:2130-45. [DOI: 10.1080/07391102.2015.1109552] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jitendra Kumar Maurya
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi, India
| | - Muzaffar Ul Hassan Mir
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi, India
| | - Neha Maurya
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi, India
| | - Neeraj Dohare
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi, India
| | - Anwar Ali
- Department of Chemistry, Jamia Millia Islamia (A Central University), New Delhi, India
| | - Rajan Patel
- Biophysical Chemistry Laboratory, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia (A Central University), New Delhi, India
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Kabir MZ, Feroz SR, Mukarram AK, Alias Z, Mohamad SB, Tayyab S. Interaction of a tyrosine kinase inhibitor, vandetanib with human serum albumin as studied by fluorescence quenching and molecular docking. J Biomol Struct Dyn 2016; 34:1693-704. [DOI: 10.1080/07391102.2015.1089187] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Md. Zahirul Kabir
- Faculty of Science, Biomolecular Research Group, Biochemistry Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Shevin R. Feroz
- Faculty of Science, Biomolecular Research Group, Biochemistry Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Abdul Kadir Mukarram
- Faculty of Science, Bioinformatics Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Zazali Alias
- Faculty of Science, Biomolecular Research Group, Biochemistry Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Saharuddin B. Mohamad
- Faculty of Science, Bioinformatics Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
- Faculty of Science, Centre of Research for Computational Sciences and Informatics for Biology, Bioindustry, Environment, Agriculture and Healthcare, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Saad Tayyab
- Faculty of Science, Biomolecular Research Group, Biochemistry Programme, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
- Faculty of Science, Centre of Research for Computational Sciences and Informatics for Biology, Bioindustry, Environment, Agriculture and Healthcare, Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
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Awasthi S, Saraswathi N. Elucidating the molecular interaction of sinigrin, a potent anticancer glucosinolate from cruciferous vegetables with bovine serum albumin: effect of methylglyoxal modification. J Biomol Struct Dyn 2015; 34:2224-32. [DOI: 10.1080/07391102.2015.1110835] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Saurabh Awasthi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamilnadu, India
| | - N.T. Saraswathi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamilnadu, India
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15
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Singha Roy A, Ghosh P, Dasgupta S. Glycation of human serum albumin alters its binding efficacy towards the dietary polyphenols: a comparative approach. J Biomol Struct Dyn 2015; 34:1911-8. [DOI: 10.1080/07391102.2015.1094749] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Atanu Singha Roy
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, India
| | - Pooja Ghosh
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, India
| | - Swagata Dasgupta
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721302, India
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16
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Prasanna G, Saraswathi NT. Aspartic acid functions as carbonyl trapper to inhibit the formation of advanced glycation end products by chemical chaperone activity. J Biomol Struct Dyn 2015; 34:943-51. [PMID: 26325019 DOI: 10.1080/07391102.2015.1060160] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Advanced glycation end products (AGEs) were implicated in pathology of numerous diseases. In this study, we present the bioactivity of aspartic acid (Asp) to inhibit the AGEs. Hemoglobin and bovine serum albumin (BSA) were glycated with glucose, fructose, and ribose in the presence and absence of Asp (100-200 μM). HbA1c inhibition was investigated using human blood and characterized by micro-column ion exchange chromatography. The effect of methyl glyoxal (MG) on hemoglobin and BSA was evaluated by fluorescence spectroscopy and gel electrophoresis. The effect of MG on red blood cells morphology was characterized by scanning electron micrographs. Molecular docking was performed on BSA with Asp. Asp is capable of inhibiting the formation of fluorescent AGEs by reacting with the reducing sugars. The presence of Asp as supplement in whole blood reduced the HbA1c% from 8.8 to 6.1. The presence of MG showed an increase in fluorescence and the presence of Asp inhibited the glycation thereby the fluorescence was quenched. MG also affected the electrophoretic mobility of hemoglobin and BSA by forming high molecular weight aggregates. Normal RBCs showed typical biconcave shape. MG modified RBCs showed twisted and elongated shape whereas the presence of ASP tends to protect RBC from twisting. Asp interacted with arginine residues of bovine serum albumin particularly ARG 194, ARG 198, and ARG 217 thereby stabilized the protein complex. We conclude that Asp has dual functions as a chemical chaperone to stabilize protein and as a dicarbonyl trapper, and thereby it can prevent the complications caused by glycation.
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Affiliation(s)
- Govindarajan Prasanna
- a Molecular Biophysics Laboratory, School of Chemical and Biotechnology , SASTRA University , Thanjavur 613401 , India
| | - N T Saraswathi
- a Molecular Biophysics Laboratory, School of Chemical and Biotechnology , SASTRA University , Thanjavur 613401 , India
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Sun J, Huang Y, Zheng C, Zhou Y, Liu Y, Liu J. Ruthenium (II) complexes interact with human serum albumin and induce apoptosis of tumor cells. Biol Trace Elem Res 2015; 163:266-74. [PMID: 25398541 DOI: 10.1007/s12011-014-0165-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 10/24/2014] [Indexed: 10/24/2022]
Abstract
The interaction of ruthenium (II) complex [Ru(bpy)2(mal)](2+) (RBM) and [Ru(phen)2(mal)](2+) (RPM) (bpy = 2, 2-bipyridine, phen = 1,10-phenanthroline, mal = malonyl carboxylate) with human serum albumin (HSA) has been investigated by using fluorescence, UV absorption and circular dichroism (CD) spectroscopy approaches. A strong fluorescence quenching reaction of complexes to HSA was observed and the quenching mechanism was suggested as static quenching according to the Stern-Volmer (S-V) equation. The number of binding sites n and observed binding constant Kb was measured by fluorescence quenching method. The thermodynamic parameters ΔH, ΔS, and ΔG at different temperatures were calculated and the results indicate the binding reaction is mainly entropy-driven and Vander Waals force played a major role in the reaction. The result of CD showed that the secondary structure of HSA molecules was changed in the presence of the ruthenium (II) complexes. Furthermore, the cell viability of ruthenium (II) complexes was evaluated by MTT and complex RPM has shown significant higher anticancer potency than RBM against all the cell lines screened. RPM showed a significant antitumor activity through induction of apoptosis in A549 cells.
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Affiliation(s)
- Jing Sun
- Department of Chemistry, Jinan University, Guangzhou, 510632, People's Republic of China
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