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Akbari V, Ghobadi S. Evaluation of the effect of phenylpropanoids on the binding of heparin to human serum albumin and glycosylated human serum albumin concerning anticoagulant activity: A comparison study. Int J Biol Macromol 2024; 257:128732. [PMID: 38092116 DOI: 10.1016/j.ijbiomac.2023.128732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 12/06/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
The nonenzymatic advanced glycation end products (AGEs) and the accumulation of AGEs are the two main factors associated with the long-term pathogenesis of diabetes. Human serum albumin (HSA) as the most abundant serum protein has a higher fortuity to be modified by nonenzymatic glycation. In this study, the interaction of three phenylpropanoids (caffeic acid (Caf), p-coumaric acid (Cou), and cinnamic acid (Cin)) toward HSA and glycosylated HSA (gHSA) was analyzed by multiple spectroscopic techniques combined with molecular docking. The formation of fibrils in HSA and gHSA was confirmed by the Thioflavin T (ThT) assay. The phenylpropanoids have shown anti-fibrillation properties in vitro. The obtained thermodynamic parameters indicated that hydrogen bonding and van der Waals forces are the main forces in the binding interaction, and the quenching mechanism of the protein fluorescence is static. Molecular docking results, as well as the in vitro results, showed that Caf, Cou, and Cin exhibit more stable interactions with HSA, respectively. In addition, molecular docking analysis showed that Caf and Cou interact well with K199. Given the critical role of K199 in HSA glycosylation in diabetic patients, this process inhibits the interaction of stabilizer compounds and thus accelerates gHSA aggregation.
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Affiliation(s)
- Vali Akbari
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran.
| | - Sirous Ghobadi
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran.
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2
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Nouri M, Mohsenpour MA, Katsiki N, Ghobadi S, Jafari A, Faghih S, Banach M, Mazidi M. Effect of serum lipid profile on the risk of breast cancer: systematic review and meta-analysis of 1,717,054 women. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Dyslipidemia has been linked to breast cancer incidence. However, conflicting results exist regarding the associations between lipid components and breast cancer development.
Purpose
The aim of the present meta-analysis was to further investigate the relationships between serum lipid profile and the risk of breast cancer.
Methods
The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline was followed to conduct the present systematic review and meta-analysis. Databases such as the PubMed, EMBASE, and Web of Sciences, were searched up to the end of January 2021, using certain MeSH and non-MeSH keywords and their combination to extract related published articles.
Results
Twenty-six prospective studies met the inclusion criteria involving 1,717,054 women, of whom 36,590 were diagnosed with breast cancer during the follow-up. A negative and significant association was found between HDL-C levels and the risk of breast cancer [relative risk (RR): 0.85, 95% CI: 0.72–0.99, I2: 67.6%, p=0.04) (Figure). In contrast, TG (RR: 1.02, 95% CI: 0.91–1.13, I2: 54.2%, p=0.79), total cholesterol (TC) (RR: 0.98, 95% CI: 0.90–1.06, I2: 67.2%, p=0.57), apolipoprotein A (ApoA) (RR: 0.96, 95% CI: 0.70–1.30, I2: 83.5%, p=0.78) and LDL-C (RR: 0.93, 95% CI: 0.79–1.09, I2: 0%, p=0.386) were not associated with breast cancer development. In studies adjusting for hormone use and physical activity, TC was positively correlated to breast cancer risk (RR: 1.05, 95% CI: 1.01–1.10 and 1.05, 95% CI: 1.01–1.10, respectively), as was TG in studies adjusting for baseline lipids (RR: 0.92, 95% CI: 0.85–0.99) and race (RR: 1.80, 95% CI: 1.22–2.65).
Conclusions
In the present meta-analysis, HDL-C was inversely related to breast cancer risk. In contrast, no significant associations were found for TC (except after adjusting for hormone use and physical activity), TG (except after adjusting for baseline lipids and race), LDL-C and ApoA. Overall, data on the links between lipids and breast cancer are conflicting. However, there is increasing evidence supporting that low HDL-C is related to an increased risk for this malignancy. Further research is needed to establish the associations between different lipid components and breast cancer risk in certain populations.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- M Nouri
- Shiraz University of Medical Sciences, Department of Community Nutrition, School of Nutrition and Food Sciences , Shiraz , Iran (Islamic Republic of)
| | - M A Mohsenpour
- Shiraz University of Medical Sciences, Department of Community Nutrition, School of Nutrition and Food Sciences , Shiraz , Iran (Islamic Republic of)
| | - N Katsiki
- AHEPA University General Hospital, First Department of Internal Medicine, Center for Diabetes, Metabolism and Endocrinology , Thessaloniki , Greece
| | - S Ghobadi
- Alborz University of Medical Sciences, Non-communicable Diseases Research Center , Karaj , Iran (Islamic Republic of)
| | - A Jafari
- Tehran University of Medical Sciences, Department of Community Nutrition, School of Nutritional Sciences and Dietetics , Tehran , Iran (Islamic Republic of)
| | - S Faghih
- Shiraz University of Medical Sciences, Department of Community Nutrition, School of Nutrition and Food Sciences , Shiraz , Iran (Islamic Republic of)
| | - M Banach
- Medical University of Lodz and Polish Mother's Memorial Hospital Research Institute, Department of Preventive Cardiology and Lipidology , Lodz , Poland
| | - M Mazidi
- University of Oxford, Nuffield Department of Population Health , Oxford , United Kingdom
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3
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Akbari V, Mohammadi S, Mehrabi M, Ghobadi S, Farrokhi A, Khodarahmi R. Investigation of the role of prolines 232/233 in RTPPK motif in tau protein aggregation: An in vitro study. Int J Biol Macromol 2022; 219:1100-1111. [PMID: 36049563 DOI: 10.1016/j.ijbiomac.2022.08.160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 07/26/2022] [Accepted: 08/23/2022] [Indexed: 11/18/2022]
Abstract
Disease-related tau protein in Alzheimer's disease is hyperphosphorylated and aggregates into neurofibrillary tangles. The cis-proline isomer of the pSer/Thr-Pro sequence has been proposed to act as a precursor of aggregation ('Cistauosis' hypothesis), but this aggregation scheme is not yet entirely accepted. Hence to investigate isomer-specific-aggregation of tau, proline residues at the RTPPK motif were replaced by alanine residues (with permanent trans configuration) employing genetic engineering methods. RTPAK, RTAPK, and RTAAK mutant variants of tau were generated, and their in vitro aggregation propensity was investigated using multi-spectroscopic techniques. Besides, the cell toxicity of oligomers/fibrils was analyzed and compared to those of the wild-type (WT) tau. Analyses of mutant variants have shown to be in agreement (to some degree) to the theory of the 'cistauosis' hypothesis. The results showed that the trans isomer in the 232-rd residue (P232A mutant rather than P233A) had reduced aggregation propensity. However, this study did not illustrate any statistically significant difference between the wild and the mutant protein aggregations concerning cell toxicity.
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Affiliation(s)
- Vali Akbari
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran; Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran
| | - Soheila Mohammadi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Masomeh Mehrabi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran.
| | - Alireza Farrokhi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran; Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences (KUMS), Kermanshah, Iran.
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Pouraghajan K, Mahdiuni H, Ghobadi S, Khodarahmi R. LRH-1 (liver receptor homolog-1) derived affinity peptide ligand to inhibit interactions between β-catenin and LRH-1 in pancreatic cancer cells: from computational design to experimental validation. J Biomol Struct Dyn 2022; 40:3082-3097. [PMID: 33183172 DOI: 10.1080/07391102.2020.1845241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/28/2020] [Indexed: 10/23/2022]
Abstract
Poor prognosis, rapid progression and the lack of an effective treatment make pancreatic cancer one of the most lethal malignancies. Recent studies point to a role for liver receptor homolog-1 (LRH-1) in pathogenesis of pancreatic cancer and suggest prevention of the β-catenin/LRH-1 complex formation as a potential strategy for inhibition of the pancreas cancer cells progression. In the current investigation, we have followed a biomimetic strategy and designed an affinity peptide with sequence DEMEEPQQTE to inhibit formation of the β-catenin/LRH-1 complex. Quantitative real-time PCR experiments on the AsPC-1 pancreatic metastatic cells showed that the peptide has an inhibitory effect on the Wnt signaling proliferation line by reducing the expression levels of the CCND1, CCNE1, and MYC genes. Furthermore, the increased expression level of BAX gene showed that AsPC-1 cells were directed to the apoptosis pathway. At last, POU5F1, KLF4, and CD44 gene expression levels suggested that the peptide has an inhibitory effect on the stemness feature of the AsPC-1 cells. Here, we introduced a novel peptide inhibitor targeting an important protein-protein interaction, the β-catenin/LRH-1 complex, which may provide highly promising starting points for subsequent drug design. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Khadijeh Pouraghajan
- Bioinformatics Laboratory, Department of Biology, School of Sciences, Razi University, Kermanshah, Iran
| | - Hamid Mahdiuni
- Bioinformatics Laboratory, Department of Biology, School of Sciences, Razi University, Kermanshah, Iran
| | - Sirous Ghobadi
- Bioinformatics Laboratory, Department of Biology, School of Sciences, Razi University, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center (MBRC), Kermanshah University of Medical Sciences, Kermanshah, Iran
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Ghorbaninejad M, Ghobadi S. The F-index and F-coindex of four operations on Trees. Journal of Information and Optimization Sciences 2022. [DOI: 10.1080/02522667.2021.1964728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Mobina Ghorbaninejad
- Department of Mathematics, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
| | - Sirous Ghobadi
- Department of Mathematics, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
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Ojaghi S, Mohammadi S, Amani M, Ghobadi S, Bijari N, Esmaeili S, Khodarahmi R. Sunset yellow degradation product, as an efficient water-soluble inducer, accelerates 1N4R Tau amyloid oligomerization: In vitro preliminary evidence against the food colorant safety in terms of "Triggered Amyloid Aggregation". Bioorg Chem 2020; 103:104123. [PMID: 32781343 DOI: 10.1016/j.bioorg.2020.104123] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 12/30/2022]
Abstract
Today, Alzheimer's disease (AD) as the most prevalent type of dementia turns into one of the most severe health problems. Neurofibrillary tangle (NFT), mostly comprised of fibrils formed by Tau, is a hallmark of a class of neurodegenerative diseases. Tau protein promotes assembly and makes stable microtubules that play a role in the appropriate function of neurons. Polyanionic cofactors such as heparin, and azo dyes, can induce aggregation of tau protein in vitro. Sunset Yellow is a food colorant used widely in food industries. In the current work, we introduced degradation product (DP) of Sunset Yellow as an effective inducer of Tau aggregation. Two Tau aggregation inducers were produced, and then the aggregation kinetics and the structure of 1N4R Tau amyloid fibrils were characterized using ThT fluorescence spectroscopy, X-Ray Diffraction (XRD), circular dichroism (CD) and atomic force microscopy (AFM). Also, the toxic effects of the induced aggregates on RBCs and SH-SY5Y cells were demonstrated by hemolysis and LDH assays, respectively. Both inducers efficiently accelerated the formation of the amyloid fibril. Along with the confirmation of the β-sheets structure in Tau aggregates by Far-UV CD spectra, X-ray diffractions revealed the typical cross-β diffraction pattern. The oligomer formation in the presence of DPs was also confirmed by AFM. The possible in vivo effect of artificial azo dyes on Tau aggregation should be considered seriously as a newly opened dimension in food safety and human health.
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Affiliation(s)
- Sara Ojaghi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran
| | - Soheila Mohammadi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mojtaba Amani
- Faculty of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran
| | - Nooshin Bijari
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sajjad Esmaeili
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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7
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Akbari V, Ghobadi S, Mohammadi S, Khodarahmi R. The antidepressant drug; trazodone inhibits Tau amyloidogenesis: Prospects for prophylaxis and treatment of AD. Arch Biochem Biophys 2020; 679:108218. [DOI: 10.1016/j.abb.2019.108218] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 11/29/2019] [Accepted: 12/01/2019] [Indexed: 10/25/2022]
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8
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Mirzaee F, Hosseinzadeh L, Ashrafi-Kooshk MR, Esmaeili S, Ghobadi S, Farzaei MH, Zad-Bari MR, Khodarahmi R. Diverse Effects of Different "Protein-Based" Vehicles on the Stability and Bioavailability of Curcumin: Spectroscopic Evaluation of the Antioxidant Activity and Cytotoxicity In Vitro. Protein Pept Lett 2019; 26:132-147. [PMID: 30430934 PMCID: PMC6416488 DOI: 10.2174/0929866525666181114152242] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 11/02/2018] [Accepted: 11/02/2018] [Indexed: 01/17/2023]
Abstract
BACKGROUND Curcumin is a natural polyphenolic compound with anti-cancer, antiinflammatory, and anti-oxidation properties. Low water solubility and rapid hydrolytic degradation are two challenges limiting use of curcumin. OBJECTIVE In this study, the roles of the native/modified forms of Bovine Serum Albumin (BSA), β-lactoglobulin (β-lg) and casein, as food-grade biopolymers and also protein chemical modification, in stabilizing and on biological activity of curcumin were surveyed. METHODS In this article, we used various spectroscopic as well as cell culture-based techniques along with calculation of thermodynamic parameters. RESULTS Investigation of curcumin stability indicated that curcumin binding to the native BSA and modified β -lg were stronger than those of the modified BSA and native β -lg, respectively and hence, the native BSA and modified β-lg could suppress water-mediated and light-mediated curcumin degradation, significantly. Moreover, in the presence of the native proteins (BSA and casein), curcumin revealed elevated in vitro anti-cancer activity against MCF-7 (human breast carcinoma cell line) and SKNMC (human neuroblastoma cell line). As well, curcumin, in the presence of the unmodified "BSA and β-lg", was more potent to decrease ROS generation by hydrogen peroxide (H2O2) whereas it led to an inverse outcome in the presence of native casein. Overall, in the presence of the protein-bound curcumin, increased anti-cancer activity and decreased ROS generation by H2O2 in vitro were documented. CONCLUSION It appears that "water exclusion" is major determinant factor for increased stability/ efficacy of the bound curcumin so that some protein-curcumin systems may provide novel tools to increase both food quality and the bioavailability of curcumin as health promoting agent.
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Affiliation(s)
- Farideh Mirzaee
- Department of Food Science and Technology, Agricultural Faculty, Urmia University, Urmia, Iran.,Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leila Hosseinzadeh
- Pharmaceutical Sciences Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Sajjad Esmaeili
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mahmoud Reza Zad-Bari
- Department of Food Science and Technology, Agricultural Faculty, Urmia University, Urmia, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Jalalvand AR, Ghobadi S, Akbari V, Goicoechea HC, Faramarzi E, Mahmoudi M. Mathematical modeling of interactions of cabergoline with human serum albumin for biosensing of human serum albumin. Sensing and Bio-Sensing Research 2019. [DOI: 10.1016/j.sbsr.2019.100297] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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10
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Jalalvand AR, Ghobadi S, Goicoechea HC, Faramarzi E, Mahmoudi M. Matrix augmentation as an efficient method for resolving interaction of bromocriptine with human serum albumin: trouble shooting and simultaneous resolution. Heliyon 2019; 5:e02153. [PMID: 31388584 PMCID: PMC6667702 DOI: 10.1016/j.heliyon.2019.e02153] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/12/2019] [Accepted: 07/22/2019] [Indexed: 12/29/2022] Open
Abstract
This work reports the results of an interesting study related to the investigation of interactions of bromocriptine (BCP) with human serum albumin (HSA) by mathematicall modelling of voltammetric and spectroscopic data into an augmented data matrix and its resolution by multivariate curve resolution-alternating least squares (MCR-ALS). The quality of the results obtained by MCR-ALS was examined by MCR-BANDS and its outputs confirmed the absence of rotational ambiguities in the MCR-ALS results. BCP-HSA interactions were also modeled by molecular docking methods to verify the results obtained from experimental sections and fortunately, they were compatible. Hard modeling of the experimental data by EQUISPEC helped us to calculate the binding constant of the complex formed from BCP-HSA interactions which was in a good agreement with that of calculated from direct analysis of the experimental data. Finally, with the help of two different amperometric measurements based on BCP-HSA interactions a novel electroanalytical method was developed for biosensing of HSA in serum samples.
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Affiliation(s)
- Ali R Jalalvand
- Research Center of Oils and Fats, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Hector C Goicoechea
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Catedra de Química Analítica I, Universidad Nacional del Litoral, Ciudad Universitaria, CC242, S3000ZAA, Santa Fe, Argentina
| | - Elahe Faramarzi
- Research Center of Oils and Fats, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Majid Mahmoudi
- Research Center of Oils and Fats, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Abstract
Beta-lactoglobulin (β-LG) is a lipocalin family member whose general function appears to be solubilizing and transport of hydrophobic molecules. Some properties such as avalability, ease of purification, and peculiar resistance to acidic environments can make β-LG as a carrier for hydrophobic and acid labile drugs for oral administration. In this protein vehicle, drug could be protected in acidic environment of stomach and then released within the basic small intestine. In this study, the potential of β-LG as a nanocarrier for oral delivery of a potent agent in colorectal cancer treatment, irinotecan, was evaluated. The nanoparticle was prepared by the physical inclusion complex method. Size, drug loading, encapsulation efficiency, and in vitro drug release at various pH values were investigated. The optimum formulation showed a narrow size distribution with an average diameter of 139.86 ± 13.75 nm and drug loading about 84.33 ± 5.03%. Based on the results obtained from docking simulation of irinotecan-complex, there are two distinct binding sites in this nanocarrier. Cytotoxicity of this nanocarrier on the HT-29 cancer cell line and AGS was measured by MTT assay. The cytotoxicity experiment showed that the drug-loaded nanocarrier was more effective than free drug. The higher release percent of drug from the β-LG complex at pH 7.4 compared to pH 1.2 indicated that the proposed nanocarrier could be introduced as a suitable nanovehicle for labile drugs in acidic medium targeted for colorectal segment.
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Affiliation(s)
- Nooshin Bijari
- Nano Drug Delivery Research Center, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran
- Department of Biology, Faculty of Science, Razi University, Kermanshah, I.R. Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, I.R. Iran
| | - Katayoun Derakhshandeh
- Department of pharmaceutics, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, I.R. Iran
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12
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Balaei F, Ghobadi S. Hydrochlorothiazide binding to human serum albumin induces some compactness in the molecular structure of the protein: A multi-spectroscopic and computational study. J Pharm Biomed Anal 2019; 162:1-8. [DOI: 10.1016/j.jpba.2018.09.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 08/21/2018] [Accepted: 09/03/2018] [Indexed: 10/28/2022]
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Bijari N, Moradi S, Ghobadi S, Shahlaei M. Elucidating the interaction of letrozole with human serum albumin by combination of spectroscopic and molecular modeling techniques. Res Pharm Sci 2018; 13:304-315. [PMID: 30065763 PMCID: PMC6040162 DOI: 10.4103/1735-5362.235157] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Human serum albumin (HSA) is the most abundant protein found in human blood and is extensively employed in clinical applications such as hypovolemic shock treatment. Also, there has been a lot of attempt to use HSA as a carrier to deliver various drugs to their specific targets. Thus, clarify of structure, dynamics, functions, and features of HSA-drug complexes play an important role from the viewpoint of pharmaceutical and/or biochemical sciences. In this study, the interaction of letrozole, as a non-steroidal aromatase inhibitor, with HSA has been studied by combining different techniques such as UV-Vis, fluorescence spectroscopy, and computational methods. The binding of letrozole quenches the serum albumin fluorescence intensities. A clear decrease in fluorescence intensities of letrozole-HSA complex with the increase in temperature showed the static mode of fluorescence quenching. The results of Stern-Volmer procedure analysis showed that letrozole is bound only to a site from the HSA. The results of thermodynamic analysis showed that reaction between HSA and letrozole is spontaneous and exothermic. Furthermore, by monitoring the intrinsic fluorescence and using site markers competitive measurement, the binding of letrozole in the neighborhood of Sudlow's site I of HSA has been proved. Finally, computational methods substantiated the experimental findings and it was revealed that letrozole was bound to Arg-209, Trp-214, Ala-350, and Gly-238 residues of subdomain IIA and IIIA of HSA, respectively.
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Affiliation(s)
- Nooshin Bijari
- Nano Drug Delivery Research Center, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran
| | - Sajad Moradi
- Nano Drug Delivery Research Center, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, I.R. Iran
| | - Mohsen Shahlaei
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran
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Akhlaghi M, Ghobadi S, Mohammad Hosseini M, Gholami Z, Mohammadian F. Flavanols are potential anti-obesity agents, a systematic review and meta-analysis of controlled clinical trials. Nutr Metab Cardiovasc Dis 2018; 28:675-690. [PMID: 29759310 DOI: 10.1016/j.numecd.2018.04.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 03/31/2018] [Accepted: 04/03/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND The anti-obesity potential of flavonoids has been shown by animal and human studies. In this meta-analysis, we systematically reviewed controlled clinical trials and quantified the effects of flavonoids and flavonoid subclasses on obesity-related anthropometric measures. METHODS AND RESULTS PubMed, EMBASE, Scopus, Web of Science, and ProQuest databases were searched to identify trials examining the effect of flavonoids on body mass index (BMI), waist circumference, and body fat percentage. Fifty eight trials passed the eligibility process. Analysis endpoints were calculated as the mean difference between baseline and post-treatment. Flavonoids were in subclasses of flavanols, flavonols, isoflavones, flavanones, anthocyanins, and proanthocyanidins. They were mostly in the form of supplements and dosages varying from 40 to 1300 mg/day. Among flavonoid subclasses, flavanols showed potential for decreasing BMI, in the overall population (mean difference (MD) = -0.28 kg/m2, P = 0.04; n = 21) and in the subgroups of Asians (MD = -0.42 kg/m2; P = 0.046; n = 13), ages < 50 years (MD = -0.50 kg/m2; P = 0.008; n = 14), BMI ≥ 25 kg/m2 (MD = -0.30 kg/m2; P = 0.049; n = 15), and at doses ≥ 500 mg/day (MD = -0.36 kg/m2; P = 0.049; n = 12). Isoflavones also decreased BMI of non-Asian populations (MD = -0.26 kg/m2; P = 0.035; n = 13) and doses ≥ 75 mg/day (MD = -0.34 kg/m2; P = 0.027; n = 8). In the overall assessment, flavanols also decreased waist circumference (MD = -0.60 cm; P = 0.02; n = 18) but had no significant effect on body fat percentage. The available trials did not reveal significant effects from flavonols, flavanones, and anthocyanins on the specified anthropometric measures. CONCLUSIONS Overall results of this meta-analysis showed that flavanols have potential against obesity.
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Affiliation(s)
- M Akhlaghi
- Nutrition Research Center, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - S Ghobadi
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - M Mohammad Hosseini
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Z Gholami
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - F Mohammadian
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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15
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Mohammadi G, Faramarzi E, Mahmoudi M, Ghobadi S, Ghiasvand AR, Goicoechea HC, Jalalvand AR. Chemometrics-assisted investigation of interactions of Tasmar with human serum albumin at a glassy carbon disk: Application to electrochemical biosensing of electro-inactive serum albumin. J Pharm Biomed Anal 2018; 156:23-35. [DOI: 10.1016/j.jpba.2018.04.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 04/08/2018] [Accepted: 04/14/2018] [Indexed: 12/30/2022]
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16
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Ghobadi S, Hassanzadeh-Rostami Z, Salehi-Marzijarani M, Bellissimo N, Brett NR, Totosy de Zepetnek JO, Faghih S. Association of eating while television viewing and overweight/obesity among children and adolescents: a systematic review and meta-analysis of observational studies. Obes Rev 2018; 19:313-320. [PMID: 29266643 DOI: 10.1111/obr.12637] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 09/24/2017] [Accepted: 09/25/2017] [Indexed: 01/11/2023]
Abstract
The objective of this systematic review and meta-analysis was to examine the association between eating while television viewing (TVV) and overweight or obesity in children (<18 years). A systematic search of PubMed, Scopus, Web of science, PreQuest and Embase was conducted up to April 2017; pooled odds ratio (OR) and 95% confidence intervals (CI) were calculated using a random effects model. Of 4,357 articles identified, 20 observational studies met inclusion criteria (n = 84,825) and 8 of these 20 (n = 41,617) reported OR. Eating while TVV was positively associated with obesity-related anthropometric measurements in 15 studies (75%). The meta-analysis revealed that eating while TVV was positively associated with being overweight (OR = 1.28; 95% CI: 1.17, 1.39). Subgroup analyses showed similar positive associations in both girls and boys, as well as in children who ate dinner while TVV. There was no evidence of publication bias. The present systematic review and meta-analysis suggests that eating while TVV could be a risk factor for being overweight or obese in childhood and adolescents.
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Affiliation(s)
- S Ghobadi
- Nutrition Research Center, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Z Hassanzadeh-Rostami
- Student Research Committee, School of Nutrition and Food Sciences, University of Medical Sciences, Shiraz, Iran
| | - M Salehi-Marzijarani
- Department of Biostatistics, Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - N Bellissimo
- School of Nutrition, Faculty of Community Services, Ryerson University, Toronto, Canada
| | - N R Brett
- School of Nutrition, Faculty of Community Services, Ryerson University, Toronto, Canada
| | | | - S Faghih
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
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17
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Alizadeh M, Bagheri S, Samani EB, Ghobadi S, Nadarajah S. Exponentiated power Lindley power series class of distributions: Theory and applications. COMMUN STAT-SIMUL C 2017. [DOI: 10.1080/03610918.2017.1350270] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- M. Alizadeh
- Branch of Mazandaran, Statistical Center of Iran, Tehran, Iran
| | - S.F. Bagheri
- Department of Statistics, College of Basic Sciences, Yadegar-e-Imam Khomeini(RAH) Shahr-e-Rey Branch, Islamic Azad University, Tehran, Iran
| | | | - S. Ghobadi
- Islamic Azad University, Qaemshahr Branch, Department of Mathematics, Qaemshahr, Iran
| | - S. Nadarajah
- School of Mathematics, University of Manchester, United Kingdom
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18
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Bijari N, Ghobadi S, Derakhshandeh K. Irinotecan binds to the internal cavity of beta-lactoglobulin: A multi-spectroscopic and computational investigation. J Pharm Biomed Anal 2017; 139:109-115. [DOI: 10.1016/j.jpba.2017.02.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 02/24/2017] [Accepted: 02/28/2017] [Indexed: 10/20/2022]
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19
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Bakhtiari R, Ghobadi S, Güllüoğlu EN, Şanlı LI, Gürsel SA, Özden-Yenigün E. Macroscopic assembly of flexible and strong green graphene fibres. RSC Adv 2017. [DOI: 10.1039/c7ra03975a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The scalable production presented here facilitates flexible, strong and electrically conductive graphene fibres, which have emerged as promising graphene based electronic textiles and sensors.
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Affiliation(s)
- R. Bakhtiari
- Faculty of Engineering and Natural Sciences
- Sabanci University
- 34956 Istanbul
- Turkey
| | - S. Ghobadi
- Faculty of Engineering and Natural Sciences
- Sabanci University
- 34956 Istanbul
- Turkey
| | - E. N. Güllüoğlu
- Istanbul Technical University
- Faculty of Textile Technologies and Design
- Department of Textile Engineering
- Istanbul
- Turkey
| | - L. I. Şanlı
- Nanotechnology Research and Application Center (SUNUM)
- Sabanci University
- 34956 Istanbul
- Turkey
| | - S. A. Gürsel
- Faculty of Engineering and Natural Sciences
- Sabanci University
- 34956 Istanbul
- Turkey
- Nanotechnology Research and Application Center (SUNUM)
| | - E. Özden-Yenigün
- Istanbul Technical University
- Faculty of Textile Technologies and Design
- Department of Textile Engineering
- Istanbul
- Turkey
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20
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Bijari N, Ghobadi S, Mahdiuni H, Khodarahmi R, Ghadami SA. Spectroscopic and molecular modeling studies on binding of dorzolamide to bovine and human carbonic anhydrase II. Int J Biol Macromol 2015; 80:189-99. [DOI: 10.1016/j.ijbiomac.2015.06.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 05/19/2015] [Accepted: 06/13/2015] [Indexed: 10/23/2022]
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21
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Ashrafi-Kooshk MR, Ebrahimi F, Ranjbar S, Ghobadi S, Moradi N, Khodarahmi R. Comparative studies on drug binding to the purified and pharmaceutical-grade human serum albumins: Bridging between basic research and clinical applications of albumin. Biologicals 2015; 43:333-43. [PMID: 26254507 DOI: 10.1016/j.biologicals.2015.07.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 07/04/2015] [Accepted: 07/09/2015] [Indexed: 11/25/2022] Open
Abstract
Human serum albumin (HSA), the most abundant protein in blood plasma, is a monomeric multidomain protein that possesses an extraordinary capacity for binding, so that serves as a circulating depot for endogenous and exogenous compounds. During the heat sterilization process, the structure of pharmaceutical-grade HSA may change and some of its activities may be lost. In this study, to provide deeper insight on this issue, we investigated drug-binding and some physicochemical properties of purified albumin (PA) and pharmaceutical-grade albumin (PGA) using two known drugs (indomethacin and ibuprofen). PGA displayed significantly lower drug binding capacity compared to PA. Analysis of the quenching and thermodynamic parameters indicated that intermolecular interactions between the drugs and the proteins are different from each other. Surface hydrophobicity as well as the stability of PGA decreased compared to PA, also surface hydrophobicity of PA and PGA increased upon drugs binding. Also, kinetic analysis of pseudo-esterase activities indicated that Km and Vmax parameters for PGA enzymatic activity are more and less than those of PA, respectively. This in vitro study demonstrates that the specific drug binding of PGA is significantly reduced. Such studies can act as connecting bridge between basic research discoveries and clinical applications.
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Affiliation(s)
| | - Farangis Ebrahimi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Samira Ranjbar
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Nastaran Moradi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran; Students' Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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22
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Nadi MM, Ashrafi Kooshk MR, Mansouri K, Ghadami SA, Amani M, Ghobadi S, Khodarahmi R. Comparative Spectroscopic Studies on Curcumin Stabilization by Association to Bovine Serum Albumin and Casein: A Perspective on Drug-Delivery Application. International Journal of Food Properties 2014. [DOI: 10.1080/10942912.2013.853185] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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23
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Jaafari M, Ashrafi Kooshk MR, Asghari SM, Moosavi-Movahedi AA, Ghobadi S, Khodarahmi R. Direct evidence for non-specific peroxidase activity of ‘‘ferritin–heme” complex: possible role in the development of neurodegenerative diseases. J IRAN CHEM SOC 2014. [DOI: 10.1007/s13738-014-0538-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Gholivand MB, Jalalvand AR, Paimard G, Goicoechea HC, Skov T, Farhadi R, Ghobadi S, Moradi N, Nasirian V. Fabrication of a novel naltrexone biosensor based on a computationally engineered nanobiocomposite. Int J Biol Macromol 2014; 70:596-605. [DOI: 10.1016/j.ijbiomac.2014.07.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 07/08/2014] [Accepted: 07/09/2014] [Indexed: 10/25/2022]
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25
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Ghasemi J, Niazi A, Ghobadi S. Simultaneous Spectrophotometric Determination of Benzyl Alcohol and Diclofenac in Pharmaceutical Formulations by Chemometrics Method. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.200500148] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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26
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Saboury AA, Umar Dahot M, Ghobadi S, Chamani J, Moosavi-Movahedi AA. Thermodynamic Studies on the Interaction of Cobalt with Alpha-Amylase. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.199800101] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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27
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Rezaeisadrabadi M, Ghobadi S, Zahir S, Sayegh S, Rahmatabadi M, Ahmadi M, Lotfaliani M, Mirjalili A, Rezaei A. PP-268 EFFECT OF PHYLLOQUINONE ON DEXAMETHASONE INDUCED CALCIFICATION OF HEART MUSCLE AND MEDIA ELASTOCALCINOSIS IN AORTA ARTERY IN RAT MODEL: A HYPOTHESIS FROM CARDIOVASCULAR SURGERY. Int J Cardiol 2013. [DOI: 10.1016/s0167-5273(13)70472-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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28
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Maghsoudi S, Ashrafi-Kooshk MR, Shahlaei M, Ghadami SA, Ghobadi S, Mostafaie A, Khodarahmi R. Comparative evaluation of amphotericin B binding to the native and modified forms of rice lipid-transfer protein: a possible perspective on improving the drug-binding affinity and specificity. J IRAN CHEM SOC 2013. [DOI: 10.1007/s13738-013-0231-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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29
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Ghobadi S, Yousefi F, Khademi F, Padidar S, Mostafaie A. An efficient method for purification of nonspecific lipid transfer protein-1 from rice seeds using kiwifruit actinidin proteolysis and ion exchange chromatography. J Sep Sci 2012; 35:2827-33. [PMID: 22987614 DOI: 10.1002/jssc.201200383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2012] [Revised: 06/28/2012] [Accepted: 06/29/2012] [Indexed: 01/16/2023]
Abstract
Plant nonspecific lipid transfer proteins are small basic proteins that transport phospholipids between membranes and are subdivided into two subfamilies, nsLTP(1) (9 kDa) and nsLTP(2) (7 kDa). LTPs have potential application in the defense reactions against pathogens and the drug delivery systems. Many efforts have been made for purification of different nsLTPs from various plants; however, most of them used successive purification procedures. We have developed a relatively simple and efficient method for the purification of rice nsLTP(1), based on the proteolytic activity of kiwifruit actinidin on the rice seed extract and one-step chromatographic procedure on a CM-Sepharose column. The purity of protein was determined by reversed-phase high-performance liquid chromatography (RP-HPLC) and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). The isolated LTP(1) migrated as a homogenous polypeptide with molecular mass of 9 kDa that confirms the efficiency of actinidin on the digestion of major contaminations present in the rice seed extract without any harmful effect on the LTP(1). The advantages of using proteolytic activity of actinidin in purifying rice LTP(1) includes the reduced separation time allowing the purification of LTP(1) in one-step chromatographic procedure, low costing, high efficiency, and the relative simplicity of the method.
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Affiliation(s)
- Sirous Ghobadi
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran
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30
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Salimi A, Yousefi F, Ghollasi M, Daneshjou S, Tavoli H, Ghobadi S, Khajeh K. Investigations on Possible Roles of C-Terminal Propeptide of a Ca-Independent alpha-Amylase from Bacillus. J Microbiol Biotechnol 2012; 22:1077-83. [DOI: 10.4014/jmb.1112.11085] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Ali Salimi
- Department of Biochemistry, Faculty of Biological Science, Tarbiat Modares University, Tehran, Iran
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31
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Kashanian S, Shariati Z, Roshanfekr H, Ghobadi S. DNA Binding Studies of 3, 5, 6-Trichloro-2-Pyridinol Pesticide Metabolite. DNA Cell Biol 2012; 31:1341-8. [DOI: 10.1089/dna.2012.1662] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Soheila Kashanian
- Faculty of Chemistry, Sensor and Biosensor Research Center (SBRC) & Nanoscience and Nanotechnology Research Center (NNRC), Razi University, Kermanshah, Islamic Republic of Iran
| | - Zohreh Shariati
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Islamic Republic of Iran
| | - Hamideh Roshanfekr
- Department of Chemistry, Islamic Azad University, Ilam Branch, Ilam, Islamic Republic of Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Islamic Republic of Iran
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32
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Khodarahmi R, Hossein-pour Z, Ghobadi S, Mansouri K, Mostafaie A, Yari K, Ghadami SA. Non-specific peroxidase activity and catalase-inhibitory behavior of fibrillar aggregates after interaction with heme: relevance to the etiology of amyloid-related neurodegenerative disorders using the experimental-based evidences. J IRAN CHEM SOC 2012. [DOI: 10.1007/s13738-012-0111-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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33
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Khodarahmi R, Karimi SA, Ashrafi Kooshk MR, Ghadami SA, Ghobadi S, Amani M. Comparative spectroscopic studies on drug binding characteristics and protein surface hydrophobicity of native and modified forms of bovine serum albumin: possible relevance to change in protein structure/function upon non-enzymatic glycation. Spectrochim Acta A Mol Biomol Spectrosc 2012; 89:177-186. [PMID: 22261105 DOI: 10.1016/j.saa.2011.12.058] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Revised: 12/19/2011] [Accepted: 12/21/2011] [Indexed: 05/31/2023]
Abstract
The interaction between serum albumin (SA) and drugs has provided an interesting ground for understanding of drug effects, especially in drug distribution and drug-drug interaction on SA, in the case of multi-drug therapy. Determination of the impact of various factors on drug-protein interaction is especially important upon significant binding of drug to albumin. In the present study, the interaction of two drugs (furosemide and indomethacin) with native and modified albumins were investigated by using various spectroscopic methods. Fluorescence data indicated that 1:1 binding of drugs to bovine serum albumin (BSA) is associated with quenching of albumin intrinsic fluorescence. The Job's plot also confirmed that drug binds to BSA via mentioned stoichiometry. Analysis of the quenching and thermodynamic parameters indicated that intermolecular interactions between drug and albumin may change upon protein modification. The theoretical analyses also suggested some conformational changes of interacting side chains in subdomain IIA binding site (at the vicinity of W237), which were in good agreement with experimental data. Decrease of protein surface hydrophobicity (PSH) was also observed upon both albumin modification and drug binding.
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Affiliation(s)
- Reza Khodarahmi
- Medical Biology Research Center, Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, P.O. Box 67145-1673, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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34
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Ghadami SA, Hossein-pour Z, Khodarahmi R, Ghobadi S, Adibi H. Synthesis and in vitro characterization of some benzothiazole- and benzofuranone-derivatives for quantification of fibrillar aggregates and inhibition of amyloid-mediated peroxidase activity. Med Chem Res 2012. [DOI: 10.1007/s00044-012-0012-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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35
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Ranjbar S, Ghobadi S, Khodarahmi R, Nemati H. Spectroscopic characterization of furosemide binding to human carbonic anhydrase II. Int J Biol Macromol 2012; 50:910-7. [PMID: 22343084 DOI: 10.1016/j.ijbiomac.2012.02.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Revised: 02/07/2012] [Accepted: 02/07/2012] [Indexed: 11/17/2022]
Abstract
This study reports the interaction between furosemide and human carbonic anhydrase II (hCA II) using fluorescence, UV-vis and circular dichroism (CD) spectroscopy. Fluorescence data indicated that furosemide quenches the intrinsic fluorescence of the enzyme via a static mechanism and hydrogen bonding and van der Walls interactions play the major role in the drug binding. The binding average distance between furosemide and hCA II was estimated on the basis of the theory of Förster energy transfer. Decrease of protein surface hydrophobicity was also documented upon furosemide binding. Chemical modification of hCA II using N-bromosuccinimide indicated decrease of the number of accessible tryptophans in the presence of furosemide. CD results suggested the occurance of some alterations in α-helical content as well as tertiary structure of hCA II upon drug binding.
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Affiliation(s)
- Samira Ranjbar
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
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36
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37
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Mehrabi M, Ghobadi S, Khodarahmi R. Spectroscopic study on the interaction of celecoxib with human carbonic anhydrase II: Thermodynamic characterization of the binding process. Journal of Photochemistry and Photobiology B: Biology 2009; 97:161-8. [DOI: 10.1016/j.jphotobiol.2009.09.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2009] [Revised: 09/06/2009] [Accepted: 09/16/2009] [Indexed: 10/20/2022]
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38
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Salimi A, Khajeh K, Ghobadi S, Ghollasi M, Alikhajeh J. Characterization of the C-terminal propeptide by cloning, sequencing and expression of a Ca2+-independent α-amylase from Bacillus spp. KRA2. N Biotechnol 2009. [DOI: 10.1016/j.nbt.2009.06.483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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39
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Kashanian S, Askari S, Ahmadi F, Omidfar K, Ghobadi S, Tarighat FA. In Vitro Study of DNA Interaction with Clodinafop-Propargyl Herbicide. DNA Cell Biol 2008; 27:581-6. [DOI: 10.1089/dna.2008.0740] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Soheila Kashanian
- Department of Chemistry & Sensor and Biosensor Research Center (SBRC), Faculty of Science, Razi University, Kermanshah, I.R. Iran
| | - Soyebeh Askari
- Department of Biology, Faculty of Science, Razi University, Kermanshah, I.R. Iran
| | - Farhad Ahmadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran
| | - Kobra Omidfar
- Endocrinology and Metabolism Research Center, Medical Sciences/Tehran University, Tehran, I.R. Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, I.R. Iran
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Kashanian S, Paknejad M, Ghobadi S, Omidfar K, Ravan H. Effect of osmolytes on the conformational stability of mouse monoclonal antidigoxin antibody in long-term storage. Hybridoma (Larchmt) 2008; 27:99-106. [PMID: 18642674 DOI: 10.1089/hyb.2007.0554] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The natural selection of small organic molecules (osmolytes) that protect cellular proteins against denaturing stresses is characteristic of plants and animals that have adapted to environmental extremes. In this study the role of osmolytes on the structural stability of antibody in long-term storage was investigated. Native antibody preparations isolated from cell culture supernatant were formulated with different additives for storage stabilization. The additives studied were arginine, proline, and sorbitol. Structural stability of antibody investigated and effect of these osmolytes on retaining the native structure in long-term storage were established. CD spectra of native IgG showed the characteristics expected for beta-proteins. After the passing of given time, the beta-sheet structure of IgG was reduced but the addition of the osmolyte to antibody solution prevented loosing the ordered structures. These results can be effective for stabilization of proteins in commercial and industrial processes.
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Affiliation(s)
- Soheila Kashanian
- Department of Chemistry and Nanoscience, Nanotechnology Research Center (NNRC), Faculty of Science, Razi University, Kermanshah, Iran.
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Kashanian S, Ghobadi S, Omidfar K, Ravan H. Structural and Functional Study of Mouse Antidigoxin Monoclonal Antibody Against Thermal Variation. Hybridoma (Larchmt) 2008; 27:123-30. [DOI: 10.1089/hyb.2007.0538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Soheila Kashanian
- Department of Chemistry, Faculty of Science, Razi University, Kermanshah, Iran
| | - Sirous Ghobadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Kobra Omidfar
- Endocrinology and Metabolism Research Center, Medical Sciences/Tehran University, Tehran, Iran
| | - Hadi Ravan
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
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Kashanian S, Ravan H, Ghobadi S, Omidfar K, Askari S. Structural and functional study of rabbit polyclonal antibody for immunoassay purposes. Hybridoma (Larchmt) 2008; 27:48-53. [PMID: 18294077 DOI: 10.1089/hyb.2007.0547] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In this study, we investigated the effects of some denaturants, such as urea and heat, on structure and function of rabbit polyclonal antibody and its Fab fragments. Thermal unfolding studies by circular dichroism of antibody and Fab fragments showed that in acidic pH, antibody has multi-transitions whereas Fab fragments have one transition curve; however in neutral pH, thermal unfolding of both had one transition. Effects of urea on the structure of antibody and Fab were studied through fluorescence spectroscopy. Despite exposure of protein to high concentration of denaturant, partial unfolding occurred in both antibody and Fab, but the denaturation of Fab was more considerable than that of antibody. Functional studies indicated that urea and heat causes a decrease in affinity in both antibody and Fab, but deactivation of Fab is more considerable in comparison with the antibody molecule. Turbidity study of antibody and Fab showed that aggregation of Fab occurred at lower temperatures than that of antibody. Our results indicate that Fab has higher sensitivity in comparison with antibody in the unfolding, deactivation, and aggregation processes. Therefore, our data proposes a stabilizing role for Fc.
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Affiliation(s)
- Soheila Kashanian
- Department of Chemistry and Nanoscience & Nanotechnology Research Center (NNRC), Faculty of Science, Razi University, Kermanshah, Iran.
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Ghasemi J, Ahmadi S, Ahmad AI, Ghobadi S. Spectroscopic Characterization of Thiazole Orange-3 DNA Interaction. Appl Biochem Biotechnol 2008; 149:9-22. [DOI: 10.1007/s12010-007-8124-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2007] [Accepted: 12/06/2007] [Indexed: 10/22/2022]
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Rooki H, Khajeh K, Mostafaie A, Kashanian S, Ghobadi S. Partially Folded Conformations of Bovine Liver Glutamate Dehydrogenase Induced by Mild Acidic Conditions. J Biochem 2007; 142:193-200. [PMID: 17517789 DOI: 10.1093/jb/mvm112] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The acid-induced unfolding of bovine liver glutamate dehydrogenase (GDH) was studied using various spectroscopic methods such as far- and near-UV circular dichroism (CD), intrinsic and 1-anilino naphthalene-8-sulphonate (ANS) extrinsic fluorescence spectroscopy, light scattering and fluorescence quenching in 20 mM mixed buffer at various pHs. CD spectra show that at pH 3.5, GDH retains its secondary structure substantially, whereas its tertiary structure content is reduced considerably. Intrinsic fluorescence of GDH and ANS binding suggest that, at pH 3.5, the hydrophobic surface of enzyme is more exposed in comparison to the native form. Acrylamide quenching indicates more exposure of tryptophan residues of enzyme at pH 3.5 in comparison to pH 7.5. Another partially unfolded intermediate was detected at pH 5.0, which with its ANS binding capacity lies between the pH 3.5 intermediate and the native form of the enzyme. Gel filtration results revealed that the enzyme at pH 3.5 is dissociated into trimeric species whereas it exists as hexamer at pH 7.5 and 5.0. All the data taken together suggest the existence of two partially unfolded states of GDH at moderate acidic pHs which may be considered as molten and pre-molten globule-like states.
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Affiliation(s)
- Hassan Rooki
- Department of Biology, Faculty of Science, Razi University, 67149-67346, Kermanshah, Iran
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Ghasemi J, Niazi A, Ghobadi S. Simultaneous spectrophotometric determination of benzyl alcohol and diclofenac in pharmaceuticals using methods based on the first derivative of the optical density ratio. Pharm Chem J 2005. [DOI: 10.1007/s11094-006-0044-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Ghasemi J, Ghobadi S, Abbasi B, Kubista M. Spectrophotometric Determination of Acidity Constants of Group B Vitamins in Different Ionic Strengths at 25±0.1°C. Journal of the Korean Chemical Society 2005. [DOI: 10.5012/jkcs.2005.49.3.269] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Abstract
The interaction between n-octyl-beta-D-glucopyranoside (octyl glucoside) and bovine liver glutamate dehydrogenase (GDH) was studied using techniques including equilibrium dialysis, UV-spectrophotometry, circular dichroism (CD), fluorescence energy transfer and extrinsic spectrofluorometry in 50 mM sodium phosphate buffer solution (pH 7.6). The equilibrium dialysis experiment showed a higher binding of octyl glucoside to GDH that induces up to 80% enzyme inhibition in 20 mM octyl glucoside solution. The CD study indicated that GDH retains its secondary structure in the presence of octyl glucoside, but loses a degree of its tertiary structure by acquiring a more extended tertiary structure. Measurement of the binding of a hydrophobic fluorescent probe, 1-anilino-naphthalene-8-sulfonate (ANS), to GDH revealed that the binding of ANS to GDH is increased in the presence of octyl glucoside, a finding that may be interpreted in terms of the increment of surface hydrophobic patch(es) of GDH because of its binding to octyl glucoside. Fluorescence energy transfer studies also showed more binding of the reduced coenzyme (NADH) to GDH and the Lineweaver-Burk plots (with respect to NADH) indicate the existence of substrate inhibition in the presence of octyl glucoside. These observations are aimed at explaining the formation of the molten globule-like structure of GDH, which is induced by a non-ionic detergent such as octyl glucoside.
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Affiliation(s)
- S Ghobadi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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Ghobadi S, Nemat-Gorgani M, Golabi SM, Zare HR, Moosavi-Movahedi AA. Nickel-induced substrate inhibition of bovine liver glutamate dehydrogenase. J Enzyme Inhib 2001; 15:497-508. [PMID: 11030089 DOI: 10.3109/14756360009040705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The effects of nickel ions on reductive amination and oxidative deamination activities of bovine liver glutamate dehydrogenase (GDH) were examined kinetically by UV spectroscopy, at 27 degrees C, using 50 mM Tris, pH 7.8, containing 0.1 M NaCl. Kinetic analysis of the data obtained by varying NADH concentration indicated strong inhibition, presumably due to binding of the coenzyme to the regulatory site. In contrast, almost no inhibition was observed in the forward reaction. The fact that nickel ions have the capacity to enhance binding of NADH to the enzyme was confirmed by an electrochemical method using a modified glassy carbon electrode. Use of NADPH instead of NADH showed only a weak substrate inhibition, presumably related to lower affinity of NADPH for binding to the regulatory site. Lineweaver-Burk plots with respect to alpha-ketoglutarate and ammonium ions indicated substrate and competitive inhibition patterns in the presence of nickel ions, respectively. ADP at 0.2 mM concentration protected inhibition caused by nickel. These observations are explained in terms of formation of a nickel-NADH complex with a higher affinity for binding to the regulatory site in GDH, as compared with the situation where nickel is not present. Such effects may be important for regulation of GDH and other NADH-utilizing enzymes.
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Affiliation(s)
- S Ghobadi
- Institute of Biochemistry and Biophysics, University of Tehran, Iran
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Gorton L, Marko-Varga G, Persson B, Huan Z, Lindén H, Burestedt E, Ghobadi S, Smolander M, Sahni S, Skotheim T. Amperometric Biosensors Based on Carbon Paste Electrodes Chemically Modified With Redox-Enzymes. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s1569-2558(08)60125-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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