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Foroutan Kalourazi A, Nazemi SA, Unniram Parambil AR, Muñoz-Tafalla R, Vidal P, Shahangian SS, Guallar V, Ferrer M, Shahgaldian P. Exploiting cyclodextrins as artificial chaperones to enhance enzyme protection through supramolecular engineering. Nanoscale 2024; 16:5123-5129. [PMID: 38349359 DOI: 10.1039/d3nr06044f] [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: 03/08/2024]
Abstract
We report a method of enzyme stabilisation exploiting the artificial protein chaperone properties of β-cyclodextrin (β-CD) covalently embedded in an ultrathin organosilica layer. Putative interaction points of this artificial chaperone system with the surface of the selected enzyme were studied in silico using a protein energy landscape exploration simulation algorithm. We show that this enzyme shielding method allows for drastic enhancement of enzyme stability under thermal and chemical stress conditions, along with broadening the optimal temperature range of the biocatalyst. The presence of the β-CD macrocycle within the protective layer supports protein refolding after treatment with a surfactant.
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Affiliation(s)
- Ali Foroutan Kalourazi
- School of Life Science, University of Applied Sciences and Arts Northwestern Switzerland, Hofackerstrasse 30, Muttenz CH-4132, Switzerland.
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran.
| | - Seyed Amirabbas Nazemi
- School of Life Science, University of Applied Sciences and Arts Northwestern Switzerland, Hofackerstrasse 30, Muttenz CH-4132, Switzerland.
| | - Ajmal Roshan Unniram Parambil
- School of Life Science, University of Applied Sciences and Arts Northwestern Switzerland, Hofackerstrasse 30, Muttenz CH-4132, Switzerland.
- Swiss Nanoscience Institute, Klingelbergstrasse 82, Basel CH-4056, Switzerland
| | - Ruben Muñoz-Tafalla
- Barcelona Supercomputing Center (BSC), 08034 Barcelona, Spain
- Faculty of Pharmacy and Food Science, Universitat de Barcelona (UB), 08007 Barcelona, Spain
| | - Paula Vidal
- Instituto de Catalisis y Petroleoquimica (ICP), CSIC, 28049 Madrid, Spain
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran.
| | - Victor Guallar
- Barcelona Supercomputing Center (BSC), 08034 Barcelona, Spain
- Institution for Research and Advanced Studies (ICREA), 08010 Barcelona, Spain
| | - Manuel Ferrer
- Instituto de Catalisis y Petroleoquimica (ICP), CSIC, 28049 Madrid, Spain
| | - Patrick Shahgaldian
- School of Life Science, University of Applied Sciences and Arts Northwestern Switzerland, Hofackerstrasse 30, Muttenz CH-4132, Switzerland.
- Swiss Nanoscience Institute, Klingelbergstrasse 82, Basel CH-4056, Switzerland
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Afsah-Sahebi A, Shahangian SS, Khodajou-Masouleh H, H Sajedi R. A novel TMD-based peroxidase-mimicking nanozyme: From naked eye detection of leukocytosis-related diseases to sensing different bioanalytes. Spectrochim Acta A Mol Biomol Spectrosc 2023; 290:122260. [PMID: 36580748 DOI: 10.1016/j.saa.2022.122260] [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] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 12/12/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Being emerged as alternatives to natural enzymes, nanozymes have recently drawn much attention in sensing. Herein, the first multicomponent transition metal dicalchogenide (TMD)-based nanozyme (MCFS/rGO) was synthesized by a facile hydrothermal method and characterized. This peroxidase-mimic nanozyme follows the typical Michaelis-Menten kinetics, showing a higher affinity for H2O2 substrate (Km = 9 μM) compared to that of natural peroxidase (Km = 3700 μM). The remarkable potential of the MCFS/rGO nanozyme to detect H2O2 provided us with a great opportunity to design some simple and fast colorimetric sensing systems. Coupling the efficient peroxidase-mimicking activity of the nanozyme with the H2O2 production capacity of white blood cells (WBCs) leads to the development of a novel, simple, rapid, and efficient colorimetric method to distinguish leukocytosis-related patients from healthy people by the naked eye. This pioneering diagnostic technique can also be utilized to quantitatively measure the WBC count. Moreover, we coupled the mentioned nanozyme-based system with the activity of glucose oxidase enzyme available in different types of honey samples, an innovative mechanism proved to be an effective quality indicator of the samples. Last but not least, the MCFS/rGO nanozyme is also able to determine the quantity of some biologically significant analytes, including glutathione (GSH), ascorbic acid (AA), and mercury ions (Hg2+), of which the limit of detection (LOD) was 9.3 nM, 22.5 nM, and 0.32 μM, respectively. Our results, however, demonstrated the superior performance of the MCFS/rGO nanozyme to determine the first two mentioned bioanalytes compared with other TMDs. Overall, this novel nanozyme-based sensor system can be considered a suitable candidate for developing multipurpose biosensors for medical and biochemical applications.
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Affiliation(s)
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran.
| | | | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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Zamani M, Aghajanzadeh M, Jashnani S, Shahangian SS, Shirini F. Hyaluronic acid coated spinel ferrite for combination of chemo and photodynamic therapy: Green synthesis, characterization, and in vitro and in vivo biocompatibility study. Int J Biol Macromol 2022; 219:709-720. [PMID: 35961551 DOI: 10.1016/j.ijbiomac.2022.08.036] [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: 02/14/2022] [Revised: 08/02/2022] [Accepted: 08/07/2022] [Indexed: 11/17/2022]
Abstract
In this project, different photosensitizers were prepared using different ratios of nickel, manganese, and iron. Then, multiple analysis were performed to evaluate their efficiency, and the most suitable one was used to be coated by hyaluronic acid to improve the nano-platform's biocompatibility and target ability. Moreover, another chemical targeting agent (riboflavin) was used to further improve the target ability of the prepared nano-platform. Different spectroscopies and thermal analysis were used to determine the physical and chemical characteristics of the prepared nano-platform. Also, in order to determine the biocompatibility of the nano-platform, in vitro and in vivo tests such as blood hemolysis, blood aggregation and lethal dose were performed. Then, an anti-cancer agent (curcumin) was loaded on the selected nano-platform to makes us able utilizing the synergistic effect of chemotherapy and photodynamic therapy simultaneously. Finally, the cell cytotoxicity results showed that the prepared nano-platform had a great anti-cancer potential which can make it a great candidate as a dual photo and chemo therapy agent for treatment of breast cancers.
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Affiliation(s)
- Mostafa Zamani
- Department of Chemistry, College of Science, University of Guilan, Rasht, Iran
| | | | - Setare Jashnani
- Department of Chemistry, College of Science, University of Guilan, Rasht, Iran
| | - S Shirin Shahangian
- Department of Biology, College of Science, University of Guilan, Rasht, Iran
| | - Farhad Shirini
- Department of Chemistry, College of Science, University of Guilan, Rasht, Iran.
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Zamani M, Aghajanzadeh M, Jashnani S, Darvishzad S, Khoramabadi H, Shirin Shahangian S, Shirini F. Combination of chemo and photo dynamic therapy using pH triggered bio-coated spinels for treatment of breast cancer. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rahimian Gavaseraei H, Hasanzadeh R, Afsharnezhad M, Foroutan Kalurazi A, Shahangian SS, Aghamaali MR, Aminzadeh S. Identification, heterologous expression and biochemical characterization of a novel cellulase-free xylanase B from the thermophilic bacterium Cohnella sp.A01. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Khodajou-Masouleh H, Shahangian SS, Rasti B. Reinforcing our defense or weakening the enemy? A comparative overview of defensive and offensive strategies developed to confront COVID-19. Drug Metab Rev 2021; 53:508-541. [PMID: 33980089 DOI: 10.1080/03602532.2021.1928686] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Developing effective strategies to confront coronavirus disease 2019 (COVID-19) has become one of the greatest concerns of the scientific community. In addition to the vast number of global mortalities due to COVID-19, since its outbreak, almost every aspect of human lives has changed one way or another. In the present review, various defensive and offensive strategies developed to confront COVID-19 are illustrated. The Administration of immune-boosting micronutrients/agents, as well as the inhibition of the activity of incompetent gatekeepers, including some host cell receptors (e.g. ACE2) and proteases (e.g. TMPRSS2), are some efficient defensive strategies. Antibody/phage therapies and specifically vaccines also play a prominent role in the enhancement of host defense against COVID-19. Nanotechnology, however, can considerably weaken the virulence of SARS-CoV-2, utilizing fake cellular locks (compounds mimicking cell receptors) to block the viral keys (spike proteins). Generally, two strategies are developed to interfere with the binding of spike proteins to the host cell receptors, either utilizing fake cellular locks to block the viral keys or utilizing fake viral keys to block the cellular locks. Due to their evolutionary conserved nature, viral enzymes, including 3CLpro, PLpro, RdRp, and helicase are highly potential targets for drug repurposing strategy. Thus, various steps of viral replication/transcription can effectively be blocked by their inhibition, leading to the elimination of SARS-CoV-2. Moreover, RNA decoy and CRISPR technologies likely offer the best offensive strategies after viral entry into the host cells, inhibiting the viral replication/assembly in the infected cells and substantially reducing the quantity of viral progeny.
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Affiliation(s)
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Behnam Rasti
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
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Lotfi M, Ghafouri H, Sarikhan S, Shahangian SS, Darvishi R. Cloning, prokaryotic expression, and functional characterization of a novel 70-kDa heat shock protein (DnaK) from Bacillus persicus. Process Biochem 2021. [DOI: 10.1016/j.procbio.2020.12.016] [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: 10/22/2022]
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8
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Emadi Shaibani M, Heidari B, Khodabandeh S, Shahangian SS. Production and Fractionation of Rocky Shore Crab (Grapsus albacarinous) Protein Hydrolysate by Ultrafiltration Membrane: Assessment of Antioxidant and Cytotoxic Activities. Journal of Aquatic Food Product Technology 2021. [DOI: 10.1080/10498850.2021.1882631] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Mina Emadi Shaibani
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Behrooz Heidari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
- Department of Marine Sciences, Caspian Sea Basin Research Center, University of Guilan, Rasht, Iran
| | - Saber Khodabandeh
- Department of Marine Biology, Faculty of Marine Sciences, Tarbiat Modares University, Noor, Iran
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Afsharnezhad M, Shahangian SS, Rasti B, Faezi Ghasemi M. Inhibitory Potential of Acroptilon repens against Key Enzymes involved in Alzheimer and Diabetes, Phytochemical Profile,
Radical Scavenging, and Antibacterial Activity. ibj 2021; 25:21-32. [PMID: 33129236 PMCID: PMC7748113 DOI: 10.29252/ibj.25.1.21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Background: This study was devoted to assessing the inhibitory potential of acetone, methanol, and ethanol extracts of Acroptilon repens against disease-associated enzymes, as well as their antioxidant/antibacterial activity and phytochemical composition. Methods: Comparative assessment using various antioxidant evaluation methods, including FRAP, scavenging ability on DPPH radical and hydrogen peroxide, and RP, indicated that the acetone extract presented the highest antioxidant activity, due to its highest total antioxidant content. Results: The TPC and TFC of these extracts were 3.44 ± 0.32 mg GAE/g DW and 2.09 ± 0.2 mg QE/g DW, respectively. The hydrodistillation essential oil from A. repens was analyzed by GC/MS, and 17 compounds were identified. All extracts showed good inhibitory activities against disease-related enzyme acetylcholinesterase and α-amylase, with the lowest IC50 for acetonic extract. Extracts of A. repens exhibited inhibiting activities against the Gram-positive bacteria, with the most effect of acetone extract. Conclusion: Our findings suggest A. repens as a promising source of natural antioxidant, antimicrobial, anti-cholinesterase and anti-amylase agents for the management of oxidative damage, and pharmaceutical, food, and cosmeceutical purposes.
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Affiliation(s)
- Moslem Afsharnezhad
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - S. Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
- Corresponding Author: S. Shirin Shahangian, Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran; Tel./Fax: (+98-13) 33333647; E-mail:
| | - Behnam Rasti
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
| | - Mohammad Faezi Ghasemi
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
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Sharifi R, Shahangian SS, Salehi Z, Mashayekhi F, Talesh Sasani S, Mirzanezhad L. Influence of a 5-bp Indel Polymorphism at Promoter of the GAS5 lncRNA and Risk of Breast Cancer. Asian Pac J Cancer Prev 2020; 21:3705-3710. [PMID: 33369471 PMCID: PMC8046312 DOI: 10.31557/apjcp.2020.21.12.3705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Indexed: 11/25/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are RNA molecules (>200 nucleotides in length) with no protein-coding capacity. Recent studies have demonstrated that lncRNAs involve in the regulation of their target genes at transcriptional, post-transcriptional and epigenetic levels. The aim of this case-control study was to explore whether growth arrest-specific 5 (GAS5) lncRNA 5-bp Ins/Del (rs145204276) polymorphism is involved in the breast cancer susceptibility. A total of 170 cases and 220 age matched controls were recruited in this study. GAS5 lncRNA polymorphism was genotyped using tetra primers amplification refractory mutation system polymerase chain reaction (T-ARMS-PCR) method. Statistical analysis was performed using SPSS. The distribution of the genotype ins/ins, ins/del and del/del were %75.29, 21.76% and 2.94% and 52.27%, 39.55% and 8.81% in the cases and controls, respectively. The ins/del or del/del genotype had a significantly decreased risk of breast cancer as compared with the ins/ins genotype under a codominant model (OR=0.38, 95%CI 0.24-0.60, p=0.0001; OR= 0.25, 95%CI 0.09-0.69, p=0.008, respectively). Moreover, the deletion allele of this polymorphic site is associated with a protective effect (OR=0.41, 95%CI 0.28-0.60, p=0.0001). Our study provided the first evidence that the deletion allele of GAS5 rs145204276 may have a protective role in mediating individual susceptibility to breast cancer. However, further comprehensive studies are warranted in a larger sample.
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Affiliation(s)
- Rafat Sharifi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Zivar Salehi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Farhad Mashayekhi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | | | - Laleh Mirzanezhad
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
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Takalloo Z, Ardakani ZA, Maroufi B, Shahangian SS, Sajedi RH. Stress-dependent conformational changes of artemin: Effects of heat and oxidant. PLoS One 2020; 15:e0242206. [PMID: 33196673 PMCID: PMC7668597 DOI: 10.1371/journal.pone.0242206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 10/28/2020] [Indexed: 11/24/2022] Open
Abstract
Artemin is an abundant thermostable protein in Artemia embryos and it is considered as a highly efficient molecular chaperone against extreme environmental stress conditions. The conformational dynamics of artemin have been suggested to play a critical role in its biological functions. In this study, we have investigated the conformational and functional changes of artemin under heat and oxidative stresses to identify the relationship between its structure and function. The tertiary and quaternary structures of artemin were evaluated by fluorescence measurements, protein cross-linking analysis, and dynamic light scattering. Based on the structural analysis, artemin showed irreversible substantial conformational lability in responses to heat and oxidant, which was mainly mediated through the hydrophobic interactions and dimerization of the chaperone. In addition, the chaperone-like activity of heated and oxidized artemin was examined using lysozyme refolding assay and the results showed that although both factors, i.e. heat and oxidant, at specific levels improved artemin potency, simultaneous incubation with both stressors significantly triggered the chaperone activation. Moreover, the heat-induced dimerization of artemin was found to be the most critical factor for its activation. It was suggested that oxidation presumably acts through stabilizing the dimer structures of artemin through formation of disulfide bridges between the subunits and strengthens its chaperoning efficacy. Accordingly, it is proposed that artemin probably exists in a monomer–oligomer equilibrium in Artemia cysts and environmental stresses and intracellular portion of protein substrates may shift the equilibrium towards the active dimer forms of the chaperone.
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Affiliation(s)
- Zeinab Takalloo
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Zahra Afshar Ardakani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | | | | | - Reza H. Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
- * E-mail:
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Rezaei ZS, Shahangian SS, Hasannia S, Sajedi RH. Development of a phage display-mediated immunoassay for the detection of vascular endothelial growth factor. Anal Bioanal Chem 2020; 412:7639-7648. [PMID: 32876721 DOI: 10.1007/s00216-020-02901-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 03/16/2020] [Revised: 08/15/2020] [Accepted: 08/19/2020] [Indexed: 01/08/2023]
Abstract
Because of the critical role of vascular endothelial growth factor (VEGF) in angiogenesis and its significantly increased serum levels in early stages of cancer, VEGF is considered an important prognostic biomarker in different cancers. Herein, the amplification power of PCR combined with phage displaying anti-VEGF VHH, a sensitive real-time immunoassay, was precisely designed based on phage display-mediated immuno-PCR (PD-IPCR) for the detection of VEGF. This system benefits from strong and specific binding of antigen and antibody in a sandwich immunosorbent assay platform using avastin (anti-VEGF monoclonal antibody) as the capture antibody. The anti-VEGF phage particles were used as both anti-VEGF agent and DNA template in the PD-IPCR. Anti-VEGF phage ELISA showed a linear range of 3-250 ng/ml and a limit of detection (LOD) of 1.1 ng/ml. Using the PD-IPCR method, the linear range of VEGF detection was found to be 0.06-700 ng/ml, with a detection limit of 3 pg/ml. The recovery rate in serum ranged from 83% to 99%, with a relative standard deviation of 1.2-4.9%. These values indicate that the method has good sensitivity for use in clinical analysis. The proposed method was successfully applied to the clinical determination of VEGF in human serum samples, and the results showed excellent correlation with conventional ELISA (R2 = 0.995). The novel immunoassay provides a specific and sensitive immunoassay protocol for VEGF detection at very low levels. Graphical abstract.
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Affiliation(s)
- Zahra S Rezaei
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran, 14115-154, Iran
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Guilan, 4199613776, Iran
| | - Sadegh Hasannia
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran, 14115-154, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran, 14115-154, Iran.
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Khodajou-Masouleh H, Shahangian SS, Attar F, H Sajedi R, Rasti B. Characteristics, dynamics and mechanisms of actions of some major stress-induced biomacromolecules; addressing Artemia as an excellent biological model. J Biomol Struct Dyn 2020; 39:5619-5637. [PMID: 32734830 DOI: 10.1080/07391102.2020.1796793] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Stress tolerance is one of the most prominent and interesting topics in biology since many macro- and micro-adaptations have evolved in resistant organisms that are worth studying. When it comes to confronting various environmental stressors, the extremophile Artemia is unrivaled in the animal kingdom. In the present review, the evolved molecular and cellular basis of stress tolerance in resistant biological systems are described, focusing on Artemia cyst as an excellent biological model. The main purpose of the review is to discuss how the structure and physicochemical characteristics of protective factors such as late embryogenesis abundant proteins (LEAPs), small heat shock proteins (sHSPs) and trehalose are related to their functions and by which mechanisms, they exert their functions. In addition, some metabolic depressors in Artemia encysted embryos are also mentioned, indirectly playing important roles in stress tolerance. Importantly, a great deal of attention is given to the LEAPs, exhibiting distinctive folding behaviors and mechanisms of actions. For instance, molecular shield function, chaperone-like activity, moonlighting property, sponging and snorkeling capabilities of the LEAPs are delineated here. Moreover, the molecular interplay between some of these factors is mentioned, leading to their synergistic effects. Interestingly, Artemia life cycle adapts to environmental conditions. Diapause is the defense mode of this life cycle, safeguarding Artemia encysted embryos against various environmental stressors. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Farnoosh Attar
- Department of Biology, Faculty of Food Industry & Agriculture, Standard Research Institute (SRI), Karaj, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Behnam Rasti
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
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Takalloo Z, Niknaddaf F, Shahangian SS, Heydari A, Hosseinkhani S, H Sajedi R. Modulation of the competition between renaturation and aggregation of lysozyme by additive mixtures. Biotechnol Appl Biochem 2019; 67:330-342. [PMID: 31758724 DOI: 10.1002/bab.1864] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 11/15/2019] [Indexed: 11/10/2022]
Abstract
The effects of 17 kinds of additive mixtures have been studied on refolding and aggregation of a model protein, lysozyme. Most of the prepared mixtures were efficient in inhibiting aggregation of the protein, and, surprisingly, four novel additive mixtures, i.e., lactic acid: l-arginine, lactic acid: l-glutamine, choline chloride: lactic acid, and imidazolium salt: β-cyclodextrin as well as choline chloride: urea exhibited a more remarkable efficacy in suppressing aggregation. Among these, lactic acid: l-arginine was identified as the most efficient additive, and lactic acid: l-glutamine and choline chloride: lactic acid were inefficient to recover the enzyme activity. In contrast, choline chloride: ethylene glycol: imidazole, choline chloride: glycerol: imidazole, imidazole: betaine: ethylene glycol were found to be less effective mixtures in preventing enzyme aggregation. Totally, it was demonstrated that the protective effects of the mixtures were improved as their concentrations increased. The improvement was more remarkable for imidazolium salt: β-cyclodextrin and choline chloride: urea, where the denatured lysozyme was reactivated and recovered up to 85% of its initial activity by enhancing their concentrations from 1 to 5% (V/V). It is suggested that such solution additives may be further employed as artificial chaperones to assist protein folding and stability.
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Affiliation(s)
- Zeinab Takalloo
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Forouzan Niknaddaf
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Gilan, Iran
| | - Akbar Heydari
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saman Hosseinkhani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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Affiliation(s)
- F Bahreini
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - S Ramezani
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - SS Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Z Salehi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - F Mashayekhi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
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Afsharnezhad M, Shahangian SS, Sariri R. A novel milk-clotting cysteine protease from Ficus johannis: Purification and characterization. Int J Biol Macromol 2019; 121:173-182. [DOI: 10.1016/j.ijbiomac.2018.10.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 09/17/2018] [Accepted: 10/01/2018] [Indexed: 12/14/2022]
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Shabani S, Mashayekhi F, Shahangian SS, Salehi Z. Genetic polymorphism of glial cell-derived neurotrophic factor (GDNF) in male infertility. Br J Biomed Sci 2018; 76:86-88. [DOI: 10.1080/09674845.2018.1545553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- S Shabani
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - F Mashayekhi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - SS Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Z Salehi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
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Affiliation(s)
- Forouzan Niknaddaf
- Department of Biochemistry; Faculty of Biological Sciences, Tarbiat Modares University; Tehran Iran
| | | | - Akbar Heydari
- Department of Chemistry Faculty of Basic Sciences; Tarbiat Modares University Tehran; Iran
| | - Saman Hosseinkhani
- Department of Biochemistry; Faculty of Biological Sciences, Tarbiat Modares University; Tehran Iran
| | - Reza H. Sajedi
- Department of Biochemistry; Faculty of Biological Sciences, Tarbiat Modares University; Tehran Iran
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Mirnoori SM, Shahangian SS, Salehi Z, Mashayekhi F, Talesh Sasani S, Saedi HS. Influence of single nucleotide polymorphisms in pri-miR-124-1 and STAT3 genes on gastric cancer susceptibility. Br J Biomed Sci 2018; 75:182-186. [PMID: 29938592 DOI: 10.1080/09674845.2018.1492206] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
INTRODUCTION MicroRNAs (miRNAs) are small ribonucleic acids that modulate the expression of downstream target genes. There is considerable evidence of their involvement in many malignancies, such as oesophageal and gastric. We hypothesised altered expressions of pri-miR-124-1 rs531564 and STAT3 rs1053023 polymorphisms in gastric cancer. MATERIALS AND METHODS Genomic DNA was extracted from peripheral blood of 250 patients with gastric cancer and 310 healthy individuals. The RFLP method was applied for determination of pri-miR-124 polymorphism and the AS-PCR method for STAT3 polymorphism. RESULTS The distribution of rs531564 genotypes in cases and controls was different: the G allele carriers had a reduced gastric cancer risk (OR = 0.62; 95%CI = 0.49-0.80, P = 0.0002). Presence of the minor allele of STAT3 (rs1053023) was linked with higher risk of gastric cancer (OR = 2.29; 95% CI = 1.79-2.93, P < 0.0001). Compared with the most frequent haplotype C-G [the SNP order was pri-miR-124-1 (rs531564) and STAT3 (rs1053023)] in controls, C-A haplotype was associated with a significantly increased risk of gastric cancer (OR = 2.28; 95%CI = 1.64-3.09, P < 0.0001). CONCLUSION There is a strong link between pri-miR-124-1 rs531564 and STAT3 rs1053023 and gastric cancer that may be pathogenic, and so worthy of further investigation.
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Affiliation(s)
- S M Mirnoori
- a Department of Biology, Faculty of Sciences , University of Guilan , Rasht , Iran
| | - S S Shahangian
- a Department of Biology, Faculty of Sciences , University of Guilan , Rasht , Iran
| | - Zivar Salehi
- a Department of Biology, Faculty of Sciences , University of Guilan , Rasht , Iran
| | - F Mashayekhi
- a Department of Biology, Faculty of Sciences , University of Guilan , Rasht , Iran
| | - S Talesh Sasani
- a Department of Biology, Faculty of Sciences , University of Guilan , Rasht , Iran
| | - H S Saedi
- b Department of Radiation Oncology , Cancer Research Center, Guilan University of Medical Sciences (GUMS) , Rasht , Iran
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Mosaddegh B, Takalloo Z, Sajedi RH, Shirin Shahangian S, Hassani L, Rasti B. An inter-subunit disulfide bond of artemin acts as a redox switch for its chaperone-like activity. Cell Stress Chaperones 2018; 23:685-693. [PMID: 29429019 PMCID: PMC6045527 DOI: 10.1007/s12192-018-0880-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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: 07/18/2017] [Revised: 11/25/2017] [Accepted: 01/22/2018] [Indexed: 12/14/2022] Open
Abstract
Encysted embryos of Artemia are among the most stress-resistant eukaryotes partly due to the massive amount of a cysteine-rich protein termed artemin. High number of cysteine residues in artemin and their intramolecular spatial positions motivated us to investigate the role of the cysteine residues in the chaperone-like activity of artemin. According to the result of Ellman's assay, there are nine free thiols (seven buried and two exposed) and one disulfide bond per monomer of artemin. Subsequent theoretical analysis of the predicted 3D structure of artemin confirmed the data obtained by the spectroscopic study. Native and reduced/modified forms of artemin were also compared with respect to their efficiency in chaperoning activity, tertiary structure, and stability. Since the alkylation and reduction of artemin diminished its chaperone activity, it appears that its chaperoning potential depends on the formation of intermolecular disulfide bond and the presence of cysteine residues. Comparative fluorescence studies on the structure and stability of the native and reduced protein revealed some differences between them. Due to the redox-dependent functional switching of artemin from the less to more active form, it can be finally suggested as a redox-dependent chaperone.
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Affiliation(s)
- Bita Mosaddegh
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Zeinab Takalloo
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, 14115-154, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, 14115-154, Iran.
| | - S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Leila Hassani
- Department of Biological Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, 45195-1159, Iran
| | - Behnam Rasti
- Department of Microbiology, Faculty of Basic Sciences, Lahijan Branch, Islamic Azad University (IAU), Lahijan, Guilan, Iran
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Shali A, Hasannia S, Gashtasbi F, Abdous M, Shahangian SS, Jalili S. Generation and screening of efficient neutralizing single domain antibodies (VHHs) against the critical functional domain of anthrax protective antigen (PA). Int J Biol Macromol 2018. [DOI: 10.1016/j.ijbiomac.2018.03.034] [Citation(s) in RCA: 8] [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] [Indexed: 11/25/2022]
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Rasti B, Schaduangrat N, Shahangian SS, Nantasenamat C. Exploring the origin of phosphodiesterase inhibition via proteochemometric modeling. RSC Adv 2017. [DOI: 10.1039/c7ra02332d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
A proteochemometric study of a set of phosphodiesterase 4B and 4D inhibitors sheds light on the origin of their inhibition and selectivities.
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Affiliation(s)
- Behnam Rasti
- Department of Microbiology
- Faculty of Basic Sciences
- Lahijan Branch
- Islamic Azad University (IAU)
- Lahijan
| | - Nalini Schaduangrat
- Center of Data Mining and Biomedical Informatics
- Faculty of Medical Technology
- Mahidol University
- Bangkok 10700
- Thailand
| | - S. Shirin Shahangian
- Department of Biology
- Faculty of Sciences
- University of Guilan
- Rasht 41938-33697
- Iran
| | - Chanin Nantasenamat
- Center of Data Mining and Biomedical Informatics
- Faculty of Medical Technology
- Mahidol University
- Bangkok 10700
- Thailand
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Shahangian SS, H Sajedi R, Hasannia S, Jalili S, Mohammadi M, Taghdir M, Shali A, Mansouri K, Sariri R. A conformation-based phage-display panning to screen neutralizing anti-VEGF VHHs with VEGFR2 mimicry behavior. Int J Biol Macromol 2015; 77:222-34. [PMID: 25748850 DOI: 10.1016/j.ijbiomac.2015.02.047] [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: 12/18/2014] [Revised: 02/18/2015] [Accepted: 02/19/2015] [Indexed: 12/24/2022]
Abstract
The potency of VEGF-based anti-angiogenic strategies in cancer therapy and the brilliant characteristics of VHHs motivated us to directly block VEGF binding to its receptor with neutralizing single domain antibodies, thereby fading away the VEGF signaling pathway. Considering with high resolution crystal structure of VEGF-RBD/VEGFR2 complex, we could adopt a combinatorial screening strategy: stringent panning and competition ELISA, to direct the panning procedure to dominantly screen the favorable binders that bind and block the key functional regions of VEGF. Based on competition assay, the majority of the screened clones (82%) showed the VEGFR2 mimicry behavior for binding to VEGF molecule. The phage pool gets enriched in favor of sequences that bind the receptor binding sites of VEGF. Different immunoassays and molecular docking simulation verified that all selected VHHs could bind and cover the receptor binding sites of VEGF. Consequently, some modifications in panning procedure with considering the structural features and detailed information of functional regions of a protein antigen, led us to successfully trap the high-affinity specific binders against its hot functional regions. Since the selected VHHs could cover the receptor binding site of VEGF and block VEGF binding to the receptor, they might be promising candidates for anti-angiogenic therapies.
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Affiliation(s)
- S Shirin Shahangian
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Sadegh Hasannia
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Shirin Jalili
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Mohammadi
- Department of Biology, Faculty of Basic Science, Shahid Chamran University, Ahvaz, Iran
| | - Majid Taghdir
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Abbas Shali
- National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Kamran Mansouri
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reyhaneh Sariri
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
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Ghavamipour F, Shahangian SS, Sajedi RH, Arab SS, Mansouri K, Aghamaali MR. Development of a highly-potent anti-angiogenic VEGF8-109 heterodimer by directed blocking of its VEGFR-2 binding site. FEBS J 2014; 281:4479-94. [PMID: 25132001 DOI: 10.1111/febs.12956] [Citation(s) in RCA: 15] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 07/23/2014] [Accepted: 07/30/2014] [Indexed: 01/22/2023]
Abstract
Angiogenesis is a hallmark of various pathological conditions and is controlled by a variety of angiogenic factors. Blockade of vascular endothelial growth factor (VEGF) as the most pivotal stimulator of angiogenesis offers a promising therapeutic approach for some diseases, typically cancer. In the present study, a heterodimeric antagonistic VEGF was precisely designed based on structural information of recently-crystallized VEGF/VEGF receptor-2 (VEGFR-2/fetal liver kinase 1/kinase domain region) complex. Directed blocking of kinase domain region occurs via substitution of a VEGF receptor binding site by two peptide segments in one pole, whereas the binding domain of the other pole of VEGF was intact. Candidate peptides for substitution were selected considering to some sequence and structural criteria. A reliable model of modified VEGF was built, refined using molecular dynamics simulation and docked with VEGFR-2. Docking analysis revealed that binding affinity of mutant VEGF was notably diminished, corroborating our design. Heterodimeric VEGF was expressed, refolded and highly purified by two-step affinity chromatography. Dimerization of this antagonist was confirmed using some analytical techniques. Spectroscopic studies assured us to obtain the heterodimeric form of VEGF. Some angiogenic in vitro assays such endothelial cell proliferation and tube formation indicated that this antagonist is not only strongly capable of inhibiting angiogenesis (half maximal inhibitory concentration of 33 and 24 ng · mL(-1) , respectively), but also showed the highest inhibitory effect compared to all other heterodimeric VEGF variants. The high anti-angiogenic potency of this VEGF antagonist may allow its future use as an anti-tumor agent.
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Affiliation(s)
- Fahimeh Ghavamipour
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
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