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Mollasalehi N, Francois-Moutal L, Porciani D, Burke DH, Khanna M. Aptamers Targeting Hallmark Proteins of Neurodegeneration. Nucleic Acid Ther 2022; 32:235-250. [PMID: 35452303 DOI: 10.1089/nat.2021.0091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Neurodegeneration is a progressive deterioration of neural structures leading to cognitive or motor impairment of the affected patient. There is still no effective therapy for any of the most common neurodegenerative diseases (NDs) such as Alzheimer's or Parkinson's disease. Although NDs exhibit distinct clinical characteristics, many are characterized by the accumulation of misfolded proteins or peptide fragments in the brain and/or spinal cord. The presence of similar inclusion bodies in patients with diverse NDs provides a rationale for developing therapies directed at overlapping disease mechanisms. A novel targeting strategy involves the use of aptamers for therapeutic development. Aptamers are short nucleic acid ligands able to recognize molecular targets with high specificity and high affinity. Despite the fact that several academic groups have shown that aptamers have the potential to be used in therapeutic and diagnostic applications, their clinical translation is still limited. In this study, we describe aptamers that have been developed against proteins relevant to NDs, including prion protein and amyloid beta (Aβ), cell surface receptors and other cytoplasmic proteins. This review also describes advances in the application of these aptamers in imaging, protein detection, and protein quantification, and it provides insights about their accelerated clinical use for disease diagnosis and therapy.
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Affiliation(s)
- Niloufar Mollasalehi
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona, USA.,Center for Innovation in Brain Science, Tucson, Arizona, USA
| | - Liberty Francois-Moutal
- Center for Innovation in Brain Science, Tucson, Arizona, USA.,Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona, USA
| | - David Porciani
- Department of Molecular Microbiology & Immunology, School of Medicine, University of Missouri-Columbia, Columbia, Missouri, USA.,MU Bond Life Sciences Center, University of Missouri-Columbia, Columbia, Missouri, USA
| | - Donald H Burke
- Department of Molecular Microbiology & Immunology, School of Medicine, University of Missouri-Columbia, Columbia, Missouri, USA.,MU Bond Life Sciences Center, University of Missouri-Columbia, Columbia, Missouri, USA
| | - May Khanna
- Center for Innovation in Brain Science, Tucson, Arizona, USA.,Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona, USA
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2
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Mirian M, Kouhpayeh S, Shariati L, Boshtam M, Rahimmanesh I, Darzi L, Taghizadeh R, Jahanian-Najafabadi A, Khanahmad H. Generation of HBsAg DNA aptamer using modified cell-based SELEX strategy. Mol Biol Rep 2021; 48:139-146. [PMID: 33400073 DOI: 10.1007/s11033-020-05995-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 11/10/2020] [Indexed: 11/30/2022]
Abstract
Aptamers as potential alternatives for antibodies could be employed against hepatitis B surface antigen (HBsAg), the great hallmark and first serological marker in HBV, for further theragnostic applications. Therefore, isolation HBsAg specific aptamer was performed in this study with a modified Cell-SELEX method. HEK293T overexpressing HBsAg and HEK293T as target and control cells respectively, were incubated with single-stranded rounds of DNA library during six SELEX and Counter SELEX rounds. Here, we introduced the new modified Cell-SELEX using deoxyribonuclease I digestion to separate single stranded DNA aptamers against the HBsAg. Characterization and evaluation of selected sequences were performed using flow cytometry analysis. The results led to isolation of 15 different ssDNA clones in six rounds of selection which were categorized to four clusters based on common structural motifs. The evaluation of SELEX progress showed growth in aptamer affinity with increasing in the cycle number. Taken together, the application of modified cell-SELEX demonstrated the isolation of HBsAg-specific ssDNA aptamers with proper affinity. Modified cell-SELEX as an efficient method can shorten the selection procedure and increase the success rate while the benefits of cell-based SELEX will be retained. Selected aptamers could be applied in purification columns, diagnostic kits, and drug delivery system against HBV-related liver cancer.
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Affiliation(s)
- Mina Mirian
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Shirin Kouhpayeh
- Isfahan Neurosciences Research Center, Alzahra Research Institute, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Laleh Shariati
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran.,Department of Biomaterials, Nanotechnology and Tissue Engineering, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Maryam Boshtam
- Department of Biomaterials, Nanotechnology and Tissue Engineering, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Ilnaz Rahimmanesh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Leila Darzi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Razieh Taghizadeh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Ali Jahanian-Najafabadi
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran.
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3
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Jamalvandi M, Khanahmad H, Irani S, Bastaminezhad S. Selection and characterization of single-stranded DNA aptamers against interleukin-5. Res Pharm Sci 2019; 14:515-523. [PMID: 32038731 PMCID: PMC6937751 DOI: 10.4103/1735-5362.272560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Asthma as a chronic inflammatory disorder is associated with many cytokines like interleukin-5 (IL-5) which plays essential role in eosinophil differentiation and maturation. Accordingly, blockage of IL-5 using mepalizumab has been considered as a promising therapeutic approach for asthma. Despite the monocolonal antibody advantages, some restrictions provided an acceptable background for alternative agents like aptamers which could replace with antibodies. In the current study, aptamer isolation against IL-5 molecule was intended, according to the valuable benefits of aptamers over antibodies. HEK-293T/IL-5 cell was constructed to select aptamer using cell-systematic evolution of ligands by exponential enrichment (SELEX) method. Integration of the IL-5 fragment to genome of the HEK-293T was verified by polymerase chain reaction on the genomic DNA of the transfected cells. Moreover, IL-5 protein expression on the cell surface was confirmed using flow cytometry analysis. Then, cell SELEX was carried out in 12 rounds and isolated aptamers were evaluated by flow cytometry analysis. The selected clones were then sequenced and assessed for any possible secondary structure. The results of this study led to the selection of 19 different single-stranded DNA clones after 12 rounds of selection which were clustered to five groups based on common structural motifs. In conclusion, the findings revealed the isolation of IL-5-specific single-stranded DNA aptamers, which can further be substituted with mepolizumab.
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Affiliation(s)
- Mina Jamalvandi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, I.R. Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Shiva Irani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, I.R. Iran
| | - Sayad Bastaminezhad
- Department of Medicine and Genetics, School of Medicine, Ilam University of Medical Sciences, Ilam, I.R. Iran
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Kouhpayeh S, Hejazi Z, Boshtam M, Mirian M, Rahimmanesh I, Darzi L, Rezaei A, Shariati L, Khanahmad H. Development of α4 integrin DNA aptamer as a potential therapeutic tool for multiple sclerosis. J Cell Biochem 2019; 120:16264-16272. [PMID: 31111537 DOI: 10.1002/jcb.28907] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/03/2019] [Accepted: 02/14/2019] [Indexed: 12/25/2022]
Abstract
One of the most important molecules for multiple sclerosis pathogenesis is α4 integrin, which is responsible for autoreactive leukocytes migration into the brain. The monoclonal antibody, natalizumab, was introduced to market for blocking the extravasation of autoreactive leukocytes via inhibition of α4 integrin. However, the disadvantages of antibodies provided a suitable background for other agents to be replaced with antibodies. Considering the profound advantages of aptamers over antibodies, aptamer isolation against α4 integrin was intended in the current study. The α4 integrin-specific aptamers were selected using cell-systematic evolution of ligands by exponential enrichment (SELEX) method with human embryonic kidney (HEK)-293T overexpressing α4 integrin and HEK-293T as target and control cells, respectively. Evaluation of selected aptamer was performed through flow cytometric analysis. The selected clones were then sequenced and analyzed for any possible secondary structure and affinity. The results of this study led to isolation of 13 different single-stranded DNA clones in 11 rounds of selection which were categorized to three clusters based on common structural motifs and the equilibrium dissociation constant (K d ) of the most stable structure was calculated. The evaluation of SELEX progress showed growth in aptamer affinity with increasing of the number of cycles. Taken together, the findings of this study demonstrated the isolation of α4-specific single-stranded DNA aptamers with suitable affinity for ligand, which can further be replaced with natalizumab.
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Affiliation(s)
- Shirin Kouhpayeh
- Department of Immunology, Erythron Pathobiology and Genetics Laboratory, Isfahan, Islamic Republic of Iran
| | - Zahra Hejazi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Maryam Boshtam
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Mina Mirian
- Department of Pharmaceutical Biotechnology, Isfahan Pharmaceutical Science Research Center, School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Ilnaz Rahimmanesh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Leila Darzi
- Department of Medical Biotechnology, Faculty of Medical Science, Tarbiat Modares University, Tehran, Islamic Republic of Iran
| | - Abbas Rezaei
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Laleh Shariati
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran.,Department of Biomaterials, Nanotechnology and Tissue Engineering, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Islamic Republic of Iran
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5
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Fatahi A, Rahimmanesh I, Mirian M, Rohani F, Boshtam M, Gheibi A, Shariati L, Khanahmad H, Kouhpayeh S. Construction and characterization of human embryonic kidney-(HEK)-293T cell overexpressing truncated α4 integrin. Res Pharm Sci 2018; 13:353-359. [PMID: 30065768 PMCID: PMC6040166 DOI: 10.4103/1735-5362.235162] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Blockade of α4 integrin by antibodies could be an appropriate treatment strategy in multiple sclerosis and Crohn's disease. Considering disadvantages of antibodies, other elements (e.g. aptamers) have been proposed for antibodies replacement. Isolation of aptamers through cell-SELEX (systematic evolution of ligands by exponential enrichment) method requires positive and negative expressing α4 integrin cell lines. For a better isolation, we intended to construct a negative cell line lacking of specific ligand binding site of α4 integrin. Escherichia coli strain top 10 was used for truncated integrin subunit α4 (TITGA-4) expression vector. Human embryonic kidney (HEK)-293T cell was transfected with linearized TITGA-4 plasmid and subsequently screened for stable truncated TITGA-4 expressing cells. Chromosomal DNA of truncated TITGA-4-transfected cells was extracted and the presence of truncated TITGA-4 gene in HEK-293T genome was confirmed by polymerase chain reaction (PCR). The expression level of truncated TITGA-4 on HEK-293T cells was also analysed by real-time PCR and flow cytometry. Real-time PCR and flow cytometric analysis showed significant difference of truncated TITGA-4 expression between untransfected HEK-293T cells compared to transfected cells. The results suggest that we have successfully constructed the truncated integrin α4 expressing HEK-293T cell, which will facilitate further research into the production of antibody, nanobody, and aptamer against α4 integrin.
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Affiliation(s)
- Azam Fatahi
- Department of Biology and Biochemistry, Payame Noor University, Taft, Yazd, I.R. Iran
| | - Ilnaz Rahimmanesh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mina Mirian
- Department of Pharmaceutical Biotechnology, Isfahan Pharmaceutical Science Research Center, School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Fattah Rohani
- Faculty of veterinary medicine, University of Shahrekord, Shahrekord, I.R. Iran
| | - Maryam Boshtam
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Azam Gheibi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, I.R. Iran
| | - Laleh Shariati
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
- Applied physiology research center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Shirin Kouhpayeh
- Isfahan Neurosciences Research Center, Alzahra Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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6
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Boshtam M, Asgary S, Rahimmanesh I, Kouhpayeh S, Naderi J, Hejazi Z, Mohammad-Dezashibi H, Pieper IL, Khanahmad H. Display of human and rabbit monocyte chemoattractant protein-1 on human embryonic kidney 293T cell surface. Res Pharm Sci 2018; 13:430-439. [PMID: 30271445 PMCID: PMC6082034 DOI: 10.4103/1735-5362.236836] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Monocyte chemoattractant protein-1 (MCP-1/CCL2) is a protein that is secreted immediately upon endothelial injury, and thereby it plays a key role in inflammation via recruitment of leucocytes to the site of inflammation at the beginning and throughout the inflammatory processes. Aim of this study was to develop two separate cell lines displaying either human MCP-1 (HMCP-1) or rabbit MCP-1 (RMCP-1) on their surface. A DNA fragment containing HMCP-1- or RMCP-1-encoding sequence was inserted into a pcDNA plasmid. Escherichia coli cells strain TOP 10F' was separately transformed with the pcDNA/RMCP-1 or /HMCP-1 ligation mixture. Following the cloning and construct verification, human embryonic kidney cell line (HEK 293T) was transfected with either of the linearized plasmids. Plasmid integration into the genomic DNA of HEK 293T cells was verified by polymerase chain reaction (PCR). HMCP-1 and RMCP-1 expression was evaluated at RNA and protein levels by real-time PCR and flow cytometry, respectively. PCR products of the expected sizes were amplified from the chromosomal DNA of transfected HEK 293T cells, i.e. 644 bp for H-MCP1 and 737 bp for RMCP-1 constructs. Real-time PCR revealed that the copy numbers of RMCP1 and HMCP1 mRNA per cell were 294 and 500, respectively. Flow cytometry analysis indicated 85% for RMCP-1 and 87% for HMCP-1 expression levels on the surface of transfected cells, when compared with an isotype control. The experiments thus confirmed that the MCP-1 genes were integrated into the HEK 293T genomic DNA and the encoded proteins were stably expressed on the cell surface.
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Affiliation(s)
- Maryam Boshtam
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Seddigheh Asgary
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Ilnaz Rahimmanesh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Shirin Kouhpayeh
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Jamal Naderi
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Zahra Hejazi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Hoda Mohammad-Dezashibi
- Department of Genetics and Molecular Biology, School of Medicine, Semnan University of Medical Sciences, Semnan, I.R. Iran
| | - Ina Laura Pieper
- Institute of Life Science, Swansea University Medical School, Swansea, United Kingdom
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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De Marco R, Greco A, Calonghi N, Dattoli SD, Baiula M, Spampinato S, Picchetti P, De Cola L, Anselmi M, Cipriani F, Gentilucci L. Selective detection of α4β1 integrin (VLA-4)-expressing cells using peptide-functionalized nanostructured materials mimicking endothelial surfaces adjacent to inflammatory sites. Biopolymers 2017; 110. [PMID: 29178262 DOI: 10.1002/bip.23081] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 10/06/2017] [Accepted: 10/18/2017] [Indexed: 01/01/2023]
Abstract
Persistent accumulation of immune cells mediated by α4β1 integrin (VLA-4) is a hallmark of the inflammatory diseases and of chronic inflammation observed in the affected tissues of autoimmune diseases. Aiming at exploring new methods for monitoring the course of the inflammatory processes, we designed the first peptide-functionalized nanostructured devices capable to mimic the high-density multivalency binding between the α4β1 integrin-expressing cells and the ligands overexpressed on the endothelial surfaces, in the proximity of the sites of inflammation. Specifically, we describe the first examples of monolayers constituted by dye-loaded zeolite L crystals, coated with α4β1 integrin peptide ligands, and we analyze the adhesion of model Jurkat cells in comparison to non-α4β1 integrin-expressing cells. In particular, the peptidomimetic diphenylurea-Leu-Asp-Val-diamine allows significant and selective detection of α4β1 integrin-expressing Jurkat cells, after very rapid incubation time, supporting the possible implementation in a diagnostic device capable to detect the desired cells from biological fluids, obtainable from patients in a noninvasive way.
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Affiliation(s)
- Rossella De Marco
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi 2, Bologna, 40126, Italy
| | - Arianna Greco
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi 2, Bologna, 40126, Italy
| | - Natalia Calonghi
- Department of Pharmacy and Biotechnology, University of Bologna, via Irnerio 48, Bologna, 40126, Italy
| | - Samantha D Dattoli
- Department of Pharmacy and Biotechnology, University of Bologna, via Irnerio 48, Bologna, 40126, Italy
| | - Monica Baiula
- Department of Pharmacy and Biotechnology, University of Bologna, via Irnerio 48, Bologna, 40126, Italy
| | - Santi Spampinato
- Department of Pharmacy and Biotechnology, University of Bologna, via Irnerio 48, Bologna, 40126, Italy
| | - Pierre Picchetti
- Institut de science et d'ingénierie supramoléculaires (ISIS), Université de Strasbourg and CNR UMR 7006, 8 Allée Gaspard Monge, Strasbourg, 67000, France
| | - Luisa De Cola
- Institut de science et d'ingénierie supramoléculaires (ISIS), Université de Strasbourg and CNR UMR 7006, 8 Allée Gaspard Monge, Strasbourg, 67000, France
- Institut fűr Nanotechnologie (INT), Karlsruhe Institute of Technology (KIT) - Campus Nord, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, 76344, Germany
| | - Michele Anselmi
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi 2, Bologna, 40126, Italy
| | - Francesca Cipriani
- Department of Medical and Surgical Sciences, University of Bologna, Via Massarenti 11, Bologna, 40138, Italy
| | - Luca Gentilucci
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi 2, Bologna, 40126, Italy
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Darzi L, Boshtam M, Shariati L, Kouhpayeh S, Gheibi A, Mirian M, Rahimmanesh I, Khanahmad H, Tabatabaiefar MA. The silencing effect of miR-30a on ITGA4 gene expression in vitro: an approach for gene therapy. Res Pharm Sci 2017; 12:456-464. [PMID: 29204174 PMCID: PMC5691572 DOI: 10.4103/1735-5362.217426] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Integrins are adhesion molecules which play crucial roles in cell-cell and cell-extracellular matrix interactions. Very late antigen-4 or α4β1 and lymphocyte Peyer’s patch adhesion molecule-1 or α4β7, are key factors in the invasion of tumor cells and metastasis. Based on the previous reports, integrin α4 (ITGA4) is overexpressed in some immune disorders and cancers. Thus, inhibition of ITGA4 could be a therapeutic strategy. In the present study, miR-30a was selected in order to suppress ITGA4 expression. The ITGA4 3' UTR was amplified, cloned in the Z2827-M67-(ITGA4) plasmid and named as Z2827-M67/3'UTR. HeLa cells were divided into five groups; (1) untreated without any transfection, (2) mock with Z2827-M67/3'UTR transfection and X-tremeGENE reagent, (3) negative control with Z2827-M67/3'UTR transfection alone, (4) test with miR-30a mimic and Z2827-M67/3'UTR transfection and (5) scramble with miR-30a scramble and Z2827-M67/3'UTR transfection. The MTT assay was performed to evaluate cell survival and cytotoxicity in each group. Real-time RT-PCR was applied for the ITGA4 expression analysis. The findings of this study showed that miR-30a downregulated ITGA4 expression and had no effect on the cell survival. Due to the silencing effect of miR-30a on the ITGA4 gene expression, this agent could be considered as a potential tool for cancer and immune disorders therapy.
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Affiliation(s)
- Leila Darzi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Maryam Boshtam
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Laleh Shariati
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Shirin Kouhpayeh
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Azam Gheibi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, I.R. Iran
| | - Mina Mirian
- Department of Pharmaceutical Biotechnology and Isfahan Pharmaceutical Science Research Center, School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Ilnaz Rahimmanesh
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran.,Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mohammad Amin Tabatabaiefar
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran.,Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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