1
|
Finotti A, Gasparello J, Casnati A, Corradini R, Gambari R, Sansone F. Delivery of Peptide Nucleic Acids Using an Argininocalix[4]arene as Vector. Methods Mol Biol 2021; 2211:123-143. [PMID: 33336275 DOI: 10.1007/978-1-0716-0943-9_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The importance of peptide nucleic acids (PNAs) for alteration of gene expression is nowadays firmly established. PNAs are characterized by a pseudo-peptide backbone composed of N-(2-aminoethyl)glycine units and have been found to be excellent candidates for antisense and antigene therapies. Recently, PNAs have been demonstrated to alter the action of microRNAs and thus can be considered very important tools for miRNA therapeutics. In fact, the pharmacological modulation of microRNA activity appears to be a very interesting approach in the development of new types of drugs. Among the limits of PNAs in applied molecular biology, the delivery to target cells and tissues is of key importance. The aim of this chapter is to describe methods for the efficient delivery of unmodified PNAs designed to target microRNAs involved in cancer, using as model system miR-221-3p and human glioma cells as in vitro experimental cellular system. The methods employed to deliver PNAs targeting miR-221-3p here presented are based on a macrocyclic multivalent tetraargininocalix[4]arene used as non-covalent vector for anti-miR-221-3p PNAs. High delivery efficiency, low cytotoxicity, maintenance of the PNA biological activity, and easy preparation makes this vector a candidate for a universal delivery system for this class of nucleic acid analogs.
Collapse
Affiliation(s)
- Alessia Finotti
- Section of Biochemistry and Molecular Biology, Department of Life Sciences and Biotechnology, Ferrara University, Ferrara, Italy.
| | - Jessica Gasparello
- Section of Biochemistry and Molecular Biology, Department of Life Sciences and Biotechnology, Ferrara University, Ferrara, Italy
| | - Alessandro Casnati
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parma University, Parma, Italy
| | - Roberto Corradini
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parma University, Parma, Italy
| | - Roberto Gambari
- Section of Biochemistry and Molecular Biology, Department of Life Sciences and Biotechnology, Ferrara University, Ferrara, Italy.,Interuniversity Consortium for Biotechnology, Trieste University, Trieste, Italy
| | - Francesco Sansone
- Department of Chemistry, Life Sciences and Environmental Sustainability, Parma University, Parma, Italy.
| |
Collapse
|
2
|
Jain SK, Jain AK, Rajpoot K. Expedition of Eudragit® Polymers in the Development of Novel Drug Delivery Systems. Curr Drug Deliv 2020; 17:448-469. [PMID: 32394836 DOI: 10.2174/1567201817666200512093639] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 01/10/2020] [Accepted: 04/20/2020] [Indexed: 12/16/2022]
Abstract
Eudragit® polymer has been widely used in film-coating for enhancing the quality of products over other materials (e.g., shellac or sugar). Eudragit® polymers are obtained synthetically from the esters of acrylic and methacrylic acid. For the last few years, they have shown immense potential in the formulations of conventional, pH-triggered, and novel drug delivery systems for incorporating a vast range of therapeutics including proteins, vitamins, hormones, vaccines, and genes. Different grades of Eudragit® have been used for designing and delivery of therapeutics at a specific site via the oral route, for instance, in stomach-specific delivery, intestinal delivery, colon-specific delivery, mucosal delivery. Further, these polymers have also shown their great aptitude in topical and ophthalmic delivery. Moreover, available literature evidences the promises of distinct Eudragit® polymers for efficient targeting of incorporated drugs to the site of interest. This review summarizes some potential researches that are being conducted by eminent scientists utilizing the distinct grades of Eudragit® polymers for efficient delivery of therapeutics at various sites of interest.
Collapse
Affiliation(s)
- Sunil Kumar Jain
- Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur (C.G.) 495 009, India
| | - Akhlesh K Jain
- Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur (C.G.) 495 009, India
| | - Kuldeep Rajpoot
- Institute of Pharmaceutical Sciences, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur (C.G.) 495 009, India
| |
Collapse
|
3
|
Fabbri E, Brognara E, Borgatti M, Lampronti I, Finotti A, Bianchi N, Sforza S, Tedeschi T, Manicardi A, Marchelli R, Corradini R, Gambari R. miRNA therapeutics: delivery and biological activity of peptide nucleic acids targeting miRNAs. Epigenomics 2012; 3:733-45. [PMID: 22126292 DOI: 10.2217/epi.11.90] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Peptide nucleic acids (PNAs) are DNA/RNA mimics extensively used for pharmacological regulation of gene expression in a variety of cellular and molecular systems, and they have been described as excellent candidates for antisense and antigene therapies. At present, very few data are available on the use of PNAs as molecules targeting miRNAs. miRNAs are a family of small nc RNAs that regulate gene expression by sequence-selective targeting of mRNAs, leading to a translational repression or mRNA degradation to the control of highly regulated biological functions, such as differentiation, cell cycle and apoptosis. The aim of this article is to present the state-of-the-art concerning the possible use of PNAs to target miRNAs and modify their biological metabolism within the cells. The results present in the literature allow to propose PNA-based molecules as very promising reagents to modulate the biological activity of miRNAs. In consideration of the involvement of miRNAs in human pathologies, PNA-mediated targeting of miRNAs has been proposed as a potential novel therapeutic approach.
Collapse
Affiliation(s)
- Enrica Fabbri
- Department of Biochemistry & Molecular Biology, University of Ferrara, Ferrara, Italy
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
4
|
Gambari R, Borgatti M, Bezzerri V, Nicolis E, Lampronti I, Dechecchi MC, Mancini I, Tamanini A, Cabrini G. Decoy oligodeoxyribonucleotides and peptide nucleic acids-DNA chimeras targeting nuclear factor kappa-B: inhibition of IL-8 gene expression in cystic fibrosis cells infected with Pseudomonas aeruginosa. Biochem Pharmacol 2010; 80:1887-94. [PMID: 20615393 DOI: 10.1016/j.bcp.2010.06.047] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2010] [Revised: 06/24/2010] [Accepted: 06/28/2010] [Indexed: 12/25/2022]
Abstract
Cystic fibrosis (CF) is characterized by a deep inflammatory process, with production and release of cytokines and chemokines, among which interleukin 8 (IL-8) represents one of the most important. Accordingly, there is a growing interest in developing therapies against IL-8, with the aim of reducing the excessive inflammatory response in the airways of CF patients. Since transcription factor NF-kappaB plays a critical role in IL-8 expression, the transcription factor decoy (TFD) strategy might be of interest. TFD is based on biomolecules mimicking the target sites of transcription factors (TFs) and able to interfere with TF activity when delivered to target cells. Here, we review the inhibitory effects of decoy oligodeoxyribonucleotides (ODNs) on expression of IL-8 gene and secretion of IL-8 by cystic fibrosis cells infected by Pseudomonas aeruginosa. In addition, the effects of decoy molecules based on peptide nucleic acids (PNAs) are discussed. In this respect PNA-DNA-PNA (PDP) chimeras are interesting: (a) unlike PNAs, they can be complexed with liposomes and microspheres; (b) unlike oligodeoxyribonucleotides (ODNs), they are resistant to DNAses, serum and cytoplasmic extracts; (c) unlike PNA/PNA and PNA/DNA hybrids, they are potent decoy molecules. Interestingly, PDP/PDP NF-kappaB decoy chimeras inhibit accumulation of pro-inflammatory mRNAs (including IL-8 mRNA) in P. aeruginosa infected IB3-1, cells reproducing the effects of decoy oligonucleotides. The effects of PDP/PDP chimeras, unlike ODN-based decoys, are observed even in absence of protection with lipofectamine. Since IL-8 is pivotal in pro-inflammatory processes affecting cystic fibrosis, inhibition of its functions might have a clinical relevance.
Collapse
Affiliation(s)
- Roberto Gambari
- ER-GenTech and BioPharmaNet, Department of Biochemistry and Molecular Biology, University of Ferrara, Italy.
| | | | | | | | | | | | | | | | | |
Collapse
|
5
|
Fabbri E, Borgatti M, Manaresi N, Medoro G, Nastruzzi C, Di Croce S, Tosi A, Mazzitelli S, Mancini I, Guerrieri R, Gambari R. Levitation and movement of tripalmitin‐based cationic lipospheres on a dielectrophoresis‐based lab‐on‐a‐chip device. J Appl Polym Sci 2008. [DOI: 10.1002/app.28413] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
6
|
Bezzerri V, Borgatti M, Nicolis E, Lampronti I, Dechecchi MC, Mancini I, Rizzotti P, Gambari R, Cabrini G. Transcription factor oligodeoxynucleotides to NF-kappaB inhibit transcription of IL-8 in bronchial cells. Am J Respir Cell Mol Biol 2008; 39:86-96. [PMID: 18258920 DOI: 10.1165/rcmb.2007-0176oc] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Chronic pulmonary inflammation in patients affected by cystic fibrosis (CF) is characterized by massive bronchial infiltrates of neutrophils, which is sustained by the interaction of pathogens (e.g., Pseudomonas aeruginosa) with surface bronchial cells. To explore new treatment options focused on the reduction of neutrophil chemotaxis, we applied the transcription factor (TF) decoy approach, based on the intracellular delivery of double-stranded oligodeoxynucleotides (ODNs) causing inhibition of the binding of TF-related proteins to the different consensus sequences in the promoter of specific genes. In CF bronchial IB3-1 cells, P. aeruginosa induced transcription of the neutrophil chemokines IL-8 and GRO-gamma, of the adhesion molecule intercellular adhesion molecule (ICAM)-1, and of the cytokines IL-1beta and IL-6. Since consensus sequences for the TF, NF-kappaB, are contained in the promoters of all these genes, IB3-1, CuFi-1, Beas-2B, and CaLu-3 cells were transfected with double-stranded TF "decoy" ODNs mimicking different NF-kappaB consensus sequences. IL-8 NF-kappaB decoy ODN partially inhibited the P. aeruginosa-dependent transcription of IL-8, GRO-gamma, and IL-6, whereas decoy ODNs to both HIV-1 long terminal repeat and Igk produced a strong, 80 to 85% inhibition of transcription of IL-8, without reducing that of GRO-gamma, ICAM-1, IL-1beta, and IL-6. In conclusion, intracellular delivery of "decoy" molecules aimed to compete with the TF, NF-kappaB, is a promising strategy to obtain inhibition of IL-8 gene transcription.
Collapse
Affiliation(s)
- Valentino Bezzerri
- Laboratory of Molecular Pathology, Laboratory of Clinical Chemistry and Haematology, University Hospital of Verona, Piazzale Stefani 1, I-37126 Verona, Italy
| | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Kovacs JR, Zheng Y, Shen H, Meng WS. Polymeric microspheres as stabilizing anchors for oligonucleotide delivery to dendritic cells. Biomaterials 2005; 26:6754-61. [PMID: 15935470 DOI: 10.1016/j.biomaterials.2005.04.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2004] [Accepted: 04/12/2005] [Indexed: 10/25/2022]
Abstract
The aim of this study is to evaluate a novel microspheric vector for delivery of oligonucleotides (ODN) into dendritic cells (DC). A requirement of decoy-based modulation of transcriptional activities in DC is that the ODN would have to accumulate inside the cell. Using an ex vivo DC culture model, we demonstrate that anionic microspheres (MS) coated with an ornithine/histadine-based cationic peptide (O10H6) is an effective carrier of short ODN. This method does not disrupt the colloidal nature of the microspheric particles. The MS provide stabilizing effect on DNA and O10H6 complexation. Accumulation of ODN in DC is greatly enhanced with the surface modified MS. Taken together, these data demonstrate that the self assembly system of MS(O10H6) is an effective delivery vehicle for DNA-based modulation of DC functions.
Collapse
Affiliation(s)
- Jeffrey R Kovacs
- Division of Pharmaceutical Sciences, Duquesne University, Mellon Hall 413, 600 Forbes Avenue, Pittsburgh, PA 15282, USA
| | | | | | | |
Collapse
|
8
|
Biomedical vignette. J Biomed Sci 2004. [DOI: 10.1007/bf02256118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
|