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Natarajan P, Horak K, Rowe J, Yoon S, Lingo J, Tomich JM, Fleming SD. Biodistribution Analysis of Peptide-Coated Magnetic Iron Nanoparticles: A Simple and Quantitative Method. Mol Pharm 2024; 21:970-981. [PMID: 38206824 PMCID: PMC10918533 DOI: 10.1021/acs.molpharmaceut.3c01080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Biodistribution tracks compounds or molecules of interest in vivo to understand a compound's anticipated efficacy and safety. Nanoparticles deliver nucleic acid and drug payloads and enhance tumor permeability due to multiple properties such as high surface area to volume ratio, surface functionalization, and modifications. Studying the in vivo biodistribution of nanoparticles documents the effectiveness and safety of nanoparticles and facilitates a more application-driven approach for nanoparticle development that allows for more successful translation into clinical use. In this study, we present a relatively simple method to determine the biodistribution of magnetic iron nanoparticles in mice. In vitro, cells take up branched amphiphilic peptide-coated magnetic nanobeads (BAPc-MNBs) like their counterparts, i.e., branched amphiphilic peptide capsules (BAPCs) with a hollow water-filled core. Both BAPc-MNBs and BAPCs have widespread applications as a nanodelivery system. We evaluated the BAPc-MNBs tissue distribution in wild-type mice injected intravenously (i.v.), intraperitoneally (i.p.), or orally gavaged to understand the biological interactions and to further the development of branched amphiphilic peptide-based nanoparticles. The magnetic nanoparticles allowed collection of the BAPc-MNBs from multiple organs by magnetic bead sorting, followed by a high-throughput screening for iron content. When injected i.v., nanoparticles were distributed widely to various organs before elimination from the system via the intestines in feces. The spleen accumulated the highest amount of BAPc-MNBs in mice administered NPs via i.v. and i.p. but not via oral gavage. Taken together, these data demonstrate that the magnetic sorting not only allowed quantification of the BAPc-MNBs but also identified the distribution of BAPc-MNBs after distinct administration methods.
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Affiliation(s)
- Pavithra Natarajan
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS, USA 66506
| | - Katherine Horak
- National Wildlife Research Center, USDA APHIS WS, Fort Collins, CO, USA 80521
| | - Jennifer Rowe
- Division of Biology, Kansas State University, Manhattan, KS, USA 66506
| | - Sungmin Yoon
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS, USA 66506
| | - Joshua Lingo
- Division of Biology, Kansas State University, Manhattan, KS, USA 66506
| | - John M Tomich
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS, USA 66506
| | - Sherry D Fleming
- Division of Biology, Kansas State University, Manhattan, KS, USA 66506
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Natarajan P, Horak K, Rowe J, Lingo J, Tomich JM, Fleming SD. Biodistribution Analysis of Peptide-Coated Magnetic Iron Nanoparticles: A Simple and Quantitative Method. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.11.561862. [PMID: 37873129 PMCID: PMC10592714 DOI: 10.1101/2023.10.11.561862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Biodistribution is the tracking of compounds or molecules of interest in the subject which is integral to understanding their anticipated efficacy and safety. Nanoparticles are highly desirable delivery systems which have the ability to deliver higher nucleic acid and drug payloads and they have enhanced tumor permeability due to their unique properties such as high surface area to volume ratio. Studying the biodistribution of nanoparticles is crucial to understand their effectiveness and safety in vivo, facilitate a more application driven approach for nanoparticle development which will lead to their successful translation into clinical use. In this study, we present a relatively simple method to determine the biodistribution of magnetic iron nanoparticles in mice. Branched Amphiphilic Peptide coated Magnetic Nanobeads BAPc-MNBs like their counterpart i.e., Branched Amphiphilic Peptide capsules (BAPCs) with a hollow water-filled core, are readily taken up by cells in vitro and have widespread application as a nanodelivery systems. We evaluated the BAPc-MNBs tissue distribution in wildtype mice injected intravenously (i.v.), intraperitoneally (i.p.) or orally gavaged to understand the biological interactions of the peptide nanoparticles and to further the development of branched amphiphilic peptides-based nanoparticles. BAPc-MNBs were distributed widely to various organs when injected i.v. and were eliminated from the system via the intestines in feces. The spleen was found to accumulate the highest amount of BAPc-MNBs in mice administered the NPs i.v. and i.p. while they were not absorbed into the system via oral gavage. This study not only presents a relatively simple quantification method to determine in vivo biodistribution of magnetic iron nanoparticles that can be widely applied but also demonstrates the potential of Branched Amphiphilic Peptides in the form of BAPCs or BAPc-MNBs as a delivery system.
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Kunte N, Westerfield M, McGraw E, Choi J, Akinsipe T, Whitaker SK, Brannen A, Panizzi P, Tomich JM, Avila LA. Evaluation of transfection efficacy, biodistribution, and toxicity of branched amphiphilic peptide capsules (BAPCs) associated with mRNA. Biomater Sci 2022; 10:6980-6991. [PMID: 36254388 DOI: 10.1039/d2bm01314b] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nanoparticles (NPs) have been shown to be a suitable mRNA delivery platform by conferring protection against ribonucleases and facilitating cellular uptake. Several NPs have succeeded in delivering mRNA intranasally, intratracheally, and intramuscularly in preclinical settings. However, intravenous mRNA delivery has been less explored. Only a few NPs have been tested for systemic delivery of mRNA, many of which are formulated with polyethylene glycol (PEG). The incorporation of PEG presents some tradeoffs that must be carefully considered when designing a systemic delivery model. For example, while the addition of PEG may prolong circulation time by preventing early clearance by the mononuclear phagocytic system (MPS), it has also been reported that treating patients with PEGylated drugs can result in hypersensitivity reactions due to anti-PEG antibodies. Thus, it is desirable to have alternative PEG-free delivery methods for mRNA to avoid these adverse effects while preserving the beneficial effects. Our research group developed BAPCs (branched amphiphilic peptide capsules), a peptide-based nanoparticle that resists disruption by chaotropes, proteases, and elevated temperature, thus displaying significant stability and shelf-life. In this study, we demonstrated that similarly to PEG, mRNA shields the BAPC cationic surface to avoid early clearance by the MPS. Multispectral optoacoustic tomography (MSOT) and fluorescence reflectance imaging were imaging techniques used to analyze biodistribution within major MPS organs. Analysis of pro-inflammatory cytokine expression showed that BAPC-mRNA complexes do not cause chronic inflammation. Additionally, BAPCs enhance intracellular delivery of mRNA with negligible cytotoxicity or oxidative stress. These results might pave the way for future therapeutic applications of BAPCs as a delivery platform for systemic mRNA delivery.
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Affiliation(s)
- Nitish Kunte
- Department of Biological Sciences, Auburn University, Auburn, AL- 36849, USA.
| | - Matthew Westerfield
- Department of Biological Sciences, Auburn University, Auburn, AL- 36849, USA.
| | - Erin McGraw
- Department of Biological Sciences, Auburn University, Auburn, AL- 36849, USA.
| | - Jiyeong Choi
- School of Integrative Plant Science, Cornell University, NY- 14853, USA
| | - Tosin Akinsipe
- Department of Biological Sciences, Auburn University, Auburn, AL- 36849, USA.
| | - Susan K Whitaker
- Department of Biochemistry and Molecular Biophysics, 141 Chalmers Hall, Kansas State University, Manhattan, Kansas- 66506, USA
| | | | - Peter Panizzi
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - John M Tomich
- School of Integrative Plant Science, Cornell University, NY- 14853, USA
| | - L Adriana Avila
- Department of Biological Sciences, Auburn University, Auburn, AL- 36849, USA.
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Chen J, Wang W, Wang Y, Yuan X, He C, Pei P, Su S, Zhao W, Luo SZ, Chen L. Self-assembling Branched Amphiphilic Peptides for Targeted Delivery of Small Molecule Anticancer Drugs. Eur J Pharm Biopharm 2022; 179:137-146. [PMID: 36096399 DOI: 10.1016/j.ejpb.2022.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/23/2022] [Accepted: 09/05/2022] [Indexed: 11/04/2022]
Abstract
Water insolubility poses a significant challenge in the clinical applications of many small molecule drugs. To improve the drug delivery efficiency, two branched amphiphilic peptides (BAPs) were designed in a computer-aided manner, for drug-loading through peptide self-assembling. The structures of the two BAPs, bis(LVFFA)-K-RGD (PepV-1) and bis(FHF)-K-RGD (PepV-2), were inspired by phospholipids, containing the RGD sequence as the hydrophilic head and two hydrophobic sequences as the hydrophobic tails. PepV-1 could self-assemble into nano-fibrils with a hydrophobic core and the RGD moiety on the surface. Its drug-loading efficiency (DE%) of three small molecule anticancer drugs (doxorubicin, camptothecin and curcumin) ranged from 9.90% to 11.74%, and entrapment efficiency (EE%) ranged from 37.30% to 43.00%. Pep-V2 could self-assemble into bilayer delimited nano-vesicles. The DE% of PepV-2 for these drugs ranged from 15.87% to 18.55%, and the EE% ranged from 60.45% to 73.23%. Both BAP carriers could prolong the release of the small molecule drugs, and the PepV-2 vesicles also showed pH-triggered increase of drug release due to the histidine residues. Bothe BAP carriers could increase the cytotoxicity against cancer cells, which might be due to the targeting on the cancer overexpressed integrins. The designed BAP carriers represent promising functional drug carriers for targeted drug delivery, and will be useful for improving the clinical use of small molecule drugs, especially for those with poor water solubility.
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Affiliation(s)
- Jialin Chen
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China; State Key Laboratory for Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China; The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang 550014, China
| | - Wujun Wang
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yue Wang
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Xiushuang Yuan
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Chengzhi He
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Pengfei Pei
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Shengdi Su
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Weihong Zhao
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Shi-Zhong Luo
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China.
| | - Long Chen
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P.R. China.
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McGraw E, Roberts JD, Kunte N, Westerfield M, Streety X, Held D, Avila LA. Insight into Cellular Uptake and Transcytosis of Peptide Nanoparticles in Spodoptera frugiperda Cells and Isolated Midgut. ACS OMEGA 2022; 7:10933-10943. [PMID: 35415340 PMCID: PMC8991906 DOI: 10.1021/acsomega.1c06638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Silencing genes in insects by introducing double-stranded RNA (dsRNA) in the diet holds promise as a new pest management method. It has been demonstrated that nanoparticles (NPs) can potentiate dsRNA silencing effects by promoting cellular internalization and protecting dsRNA against early degradation. However, many mysteries of how NPs and dsRNA are internalized by gut epithelial cells and, subsequently, transported across the midgut epithelium remain to be unraveled. The sole purpose of the current study is to investigate the role of endocytosis and transcytosis in the transport of branched amphipathic peptide nanocapsules (BAPCs) associated with dsRNA through midgut epithelium cells. Spodoptera frugiperda midguts and the epithelial cell line Sf9, derived from S. frugiperda, were used to study transcytosis and endocytosis, respectively. Results suggest that clathrin-mediated endocytosis and macropinocytosis are largely responsible for cellular uptake, and once within the midgut, transcytosis is involved in shuttling BAPCs-dsRNA from the lumen to the hemolymph. In addition, BAPCs were not found to be toxic to Sf9 cells or generate damaging reactive species once internalized.
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Affiliation(s)
- Erin McGraw
- Department
of Biological Sciences, Auburn University, 101 Rouse Life Sciences, Auburn, Alabama 36849-5412, United States
| | - Jonathan D. Roberts
- Department
of Biological Sciences, Auburn University, 101 Rouse Life Sciences, Auburn, Alabama 36849-5412, United States
| | - Nitish Kunte
- Department
of Biological Sciences, Auburn University, 101 Rouse Life Sciences, Auburn, Alabama 36849-5412, United States
| | - Matthew Westerfield
- Department
of Biological Sciences, Auburn University, 101 Rouse Life Sciences, Auburn, Alabama 36849-5412, United States
| | - Xavier Streety
- Department
of Biological Sciences, Auburn University, 101 Rouse Life Sciences, Auburn, Alabama 36849-5412, United States
| | - David Held
- Department
of Entomology and Plant Pathology, Auburn
University, Auburn, Alabama 36849-5412, United States
| | - L. Adriana Avila
- Department
of Biological Sciences, Auburn University, 101 Rouse Life Sciences, Auburn, Alabama 36849-5412, United States
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Kleynhans J, Sathekge M, Ebenhan T. Obstacles and Recommendations for Clinical Translation of Nanoparticle System-Based Targeted Alpha-Particle Therapy. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4784. [PMID: 34500873 PMCID: PMC8432563 DOI: 10.3390/ma14174784] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/31/2022]
Abstract
The rationale for application of nanotechnology in targeted alpha therapy (TAT) is sound. However, the translational strategy requires attention. Formulation of TAT in nanoparticulate drug delivery systems has the potential to resolve many of the issues currently experienced. As α-particle emitters are more cytotoxic compared to beta-minus-emitting agents, the results of poor biodistribution are more dangerous. Formulation in nanotechnology is also suggested to be the ideal solution for containing the recoil daughters emitted by actinium-225, radium-223, and thorium-227. Nanoparticle-based TAT is likely to increase stability, enhance radiation dosimetry profiles, and increase therapeutic efficacy. Unfortunately, nanoparticles have their own unique barriers towards clinical translation. A major obstacle is accumulation in critical organs such as the spleen, liver, and lungs. Furthermore, inflammation, necrosis, reactive oxidative species, and apoptosis are key mechanisms through which nanoparticle-mediated toxicity takes place. It is important at this stage of the technology's readiness level that focus is shifted to clinical translation. The relative scarcity of α-particle emitters also contributes to slow-moving research in the field of TAT nanotechnology. This review describes approaches and solutions which may overcome obstacles impeding nanoparticle-based TAT and enhance clinical translation. In addition, an in-depth discussion of relevant issues and a view on technical and regulatory barriers are presented.
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Affiliation(s)
- Janke Kleynhans
- Division of Nuclear Medicine, Tygerberg Hospital, Stellenbosch University, Cape Town 8000, South Africa;
| | - Mike Sathekge
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria 0001, South Africa;
- Nuclear Medicine Research Infrastructure NPC, Pretoria 0001, South Africa
| | - Thomas Ebenhan
- Nuclear Medicine Research Infrastructure NPC, Pretoria 0001, South Africa
- Department of Nuclear Medicine, University of Pretoria, Pretoria 0001, South Africa
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Muslimov AR, Antuganov DO, Tarakanchikova YV, Zhukov MV, Nadporojskii MA, Zyuzin MV, Timin AS. Calcium Carbonate Core-Shell Particles for Incorporation of 225Ac and Their Application in Local α-Radionuclide Therapy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:25599-25610. [PMID: 34028266 DOI: 10.1021/acsami.1c02155] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Actinium-225 (225Ac) radiolabeled submicrometric core-shell particles (SPs) made of calcium carbonate (CaCO3) coated with biocompatible polymers [tannic acid-human serum albumin (TA/HSA)] have been developed to improve the efficiency of local α-radionuclide therapy in melanoma models (B16-F10 tumor-bearing mice). The developed 225Ac-SPs possess radiochemical stability and demonstrate effective retention of 225Ac and its daughter isotopes. The SPs have been additionally labeled with zirconium-89 (89Zr) to perform the biodistribution studies using positron emission tomography-computerized tomography (PET/CT) imaging for 14 days after intratumoral injection. According to the PET/CT analysis, a significant accumulation of 89Zr-SPs in the tumor area is revealed for the whole investigation period, which correlates with the direct radiometry analysis after intratumoral administration of 225Ac-SPs. The histological analysis has revealed no abnormal changes in healthy tissue organs after treatment with 225Ac-SPs (e.g., no acute pathologic findings are detected in the liver and kidneys). At the same time, the inhibition of tumor growth has been observed as compared with control samples [nonradiolabeled SPs and phosphate-buffered saline (PBS)]. The treatment of mice with 225Ac-SPs has resulted in prolonged survival compared to the control samples. Thus, our study validates the application of 225Ac-doped core-shell submicron CaCO3 particles for local α-radionuclide therapy.
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Affiliation(s)
- Albert R Muslimov
- Granov Russian Research Center of Radiology & Surgical Technologies, 197758 St. Petersburg, Russian Federation
- Nanobiotechnology Laboratory, St. Petersburg Academic University, 194021 St. Petersburg, Russian Federation
| | - Dmitrii O Antuganov
- Granov Russian Research Center of Radiology & Surgical Technologies, 197758 St. Petersburg, Russian Federation
| | - Yana V Tarakanchikova
- Granov Russian Research Center of Radiology & Surgical Technologies, 197758 St. Petersburg, Russian Federation
- Nanobiotechnology Laboratory, St. Petersburg Academic University, 194021 St. Petersburg, Russian Federation
- Peter The Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russian Federation
| | - Mikhail V Zhukov
- Department of Physics and Engineering, ITMO University, 191002 St. Petersburg, Russian Federation
| | - Michail A Nadporojskii
- Granov Russian Research Center of Radiology & Surgical Technologies, 197758 St. Petersburg, Russian Federation
| | - Mikhail V Zyuzin
- Granov Russian Research Center of Radiology & Surgical Technologies, 197758 St. Petersburg, Russian Federation
- Department of Physics and Engineering, ITMO University, 191002 St. Petersburg, Russian Federation
| | - Alexander S Timin
- Granov Russian Research Center of Radiology & Surgical Technologies, 197758 St. Petersburg, Russian Federation
- Peter The Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russian Federation
- Research School of Chemical and Biomedical Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russian Federation
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Nuss A, Sharma A, Gulia-Nuss M. Genetic Manipulation of Ticks: A Paradigm Shift in Tick and Tick-Borne Diseases Research. Front Cell Infect Microbiol 2021; 11:678037. [PMID: 34041045 PMCID: PMC8141593 DOI: 10.3389/fcimb.2021.678037] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/16/2021] [Indexed: 12/13/2022] Open
Abstract
Ticks are obligate hematophagous arthropods that are distributed worldwide and are one of the most important vectors of pathogens affecting humans and animals. Despite the growing burden of tick-borne diseases, research on ticks has lagged behind other arthropod vectors, such as mosquitoes. This is largely because of challenges in applying functional genomics and genetic tools to the idiosyncrasies unique to tick biology, particularly techniques for stable genetic transformations. CRISPR-Cas9 is transforming non-model organism research; however, successful germline editing has yet to be accomplished in ticks. Here, we review the ancillary methods needed for transgenic tick development and the use of CRISPR/Cas9, the most promising gene-editing approach, for tick genetic transformation.
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Affiliation(s)
- Andrew Nuss
- Department of Biochemistry and Molecular Biology, The University of Nevada, Reno, NV, United States
- Department of Agriculture, Veterinary, and Rangeland Sciences, The University of Nevada, Reno, NV, United States
| | - Arvind Sharma
- Department of Biochemistry and Molecular Biology, The University of Nevada, Reno, NV, United States
| | - Monika Gulia-Nuss
- Department of Biochemistry and Molecular Biology, The University of Nevada, Reno, NV, United States
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9
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Muslimov AR, Antuganov D, Tarakanchikova YV, Karpov TE, Zhukov MV, Zyuzin MV, Timin AS. An investigation of calcium carbonate core-shell particles for incorporation of 225Ac and sequester of daughter radionuclides: in vitro and in vivo studies. J Control Release 2021; 330:726-737. [DOI: 10.1016/j.jconrel.2021.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 12/04/2020] [Accepted: 01/04/2021] [Indexed: 02/06/2023]
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Pellico J, Gawne PJ, T M de Rosales R. Radiolabelling of nanomaterials for medical imaging and therapy. Chem Soc Rev 2021; 50:3355-3423. [PMID: 33491714 DOI: 10.1039/d0cs00384k] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nanomaterials offer unique physical, chemical and biological properties of interest for medical imaging and therapy. Over the last two decades, there has been an increasing effort to translate nanomaterial-based medicinal products (so-called nanomedicines) into clinical practice and, although multiple nanoparticle-based formulations are clinically available, there is still a disparity between the number of pre-clinical products and those that reach clinical approval. To facilitate the efficient clinical translation of nanomedicinal-drugs, it is important to study their whole-body biodistribution and pharmacokinetics from the early stages of their development. Integrating this knowledge with that of their therapeutic profile and/or toxicity should provide a powerful combination to efficiently inform nanomedicine trials and allow early selection of the most promising candidates. In this context, radiolabelling nanomaterials allows whole-body and non-invasive in vivo tracking by the sensitive clinical imaging techniques positron emission tomography (PET), and single photon emission computed tomography (SPECT). Furthermore, certain radionuclides with specific nuclear emissions can elicit therapeutic effects by themselves, leading to radionuclide-based therapy. To ensure robust information during the development of nanomaterials for PET/SPECT imaging and/or radionuclide therapy, selection of the most appropriate radiolabelling method and knowledge of its limitations are critical. Different radiolabelling strategies are available depending on the type of material, the radionuclide and/or the final application. In this review we describe the different radiolabelling strategies currently available, with a critical vision over their advantages and disadvantages. The final aim is to review the most relevant and up-to-date knowledge available in this field, and support the efficient clinical translation of future nanomedicinal products for in vivo imaging and/or therapy.
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Affiliation(s)
- Juan Pellico
- School of Biomedical Engineering & Imaging Sciences, King's College London, St. Thomas' Hospital, London SE1 7EH, UK.
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11
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Using micro-computed tomography to reveal the anatomy of adult Diaphorina citri Kuwayama (Insecta: Hemiptera, Liviidae) and how it pierces and feeds within a citrus leaf. Sci Rep 2021; 11:1358. [PMID: 33446699 PMCID: PMC7809155 DOI: 10.1038/s41598-020-80404-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/18/2020] [Indexed: 11/08/2022] Open
Abstract
The Asian citrus psyllid (ACP), Diaphorina citri, is a harmful pest of citrus trees that transmits Candidatus Liberibacter spp. which causes Huanglongbing (HLB) (citrus greening disease); this is considered to be the most serious bacterial disease of citrus plants. Here we detail an anatomical study of the external and internal anatomy (excluding the reproductive system) using micro-computed tomography (micro-CT). This is the first complete 3D micro-CT reconstruction of the anatomy of a psylloid insect and includes a 3D reconstruction of an adult feeding on a citrus leaf that can be used on mobile devices. Detailed rendered images and videos support first descriptions of coxal and scapus antennal glands and sexual differences in the internal anatomy (hindgut rectum, mesothoracic ganglion and brain). This represents a significant advance in our knowledge of ACP anatomy, and of psyllids in general. Together the images, videos and 3D model constitute a unique anatomical atlas and are useful tools for future research and as teaching aids.
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12
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Chaverra-Rodriguez D, Dalla Benetta E, Heu CC, Rasgon JL, Ferree PM, Akbari OS. Germline mutagenesis of Nasonia vitripennis through ovarian delivery of CRISPR-Cas9 ribonucleoprotein. INSECT MOLECULAR BIOLOGY 2020; 29:569-577. [PMID: 32715554 DOI: 10.1111/imb.12663] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/19/2020] [Accepted: 07/23/2020] [Indexed: 06/11/2023]
Abstract
CRISPR/Cas9 gene editing is a powerful technology to study the genetics of rising model organisms, such as the jewel wasp Nasonia vitripennis. However, current methods involving embryonic microinjection of CRISPR reagents are challenging. Delivery of Cas9 ribonucleoprotein into female ovaries is an alternative that has only been explored in a small handful of insects, such as mosquitoes, whiteflies and beetles. Here, we developed a simple protocol for germline gene editing by injecting Cas9 ribonucleoprotein in adult N. vitripennis females using either ReMOT control (Receptor-Mediated Ovary Transduction of Cargo) or BAPC (Branched Amphiphilic Peptide Capsules) as ovary delivery methods. For ReMOT Control we used the Drosophila melanogaster-derived peptide 'P2C' fused to EGFP to visualize the ovary delivery, and fused to Cas9 protein for gene editing of the cinnabar gene using saponin as an endosomal escape reagent. For BAPC we optimized the concentrations of protein, sgRNA and the transfection reagent. We demonstrate delivery of protein cargo such as EGFP and Cas9 into developing oocytes via P2C peptide and BAPC. Additionally, somatic and germline gene editing were demonstrated. This approach will greatly facilitate CRISPR-applied genetic manipulation in this and other rising model organisms.
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Affiliation(s)
- D Chaverra-Rodriguez
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, CA, USA
| | - E Dalla Benetta
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, CA, USA
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, USA
| | - C C Heu
- Department of Entomology, The Pennsylvania State University, University Park, PA, USA
- The Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA, USA
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - J L Rasgon
- Department of Entomology, The Pennsylvania State University, University Park, PA, USA
- The Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA, USA
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - P M Ferree
- W. M. Keck Science Department, Claremont McKenna, Pitzer, and Scripps Colleges, Claremont, CA, USA
| | - O S Akbari
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, CA, USA
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13
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Natarajan P, Tomich JM. Understanding the influence of experimental factors on bio-interactions of nanoparticles: Towards improving correlation between in vitro and in vivo studies. Arch Biochem Biophys 2020; 694:108592. [PMID: 32971033 PMCID: PMC7503072 DOI: 10.1016/j.abb.2020.108592] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/16/2020] [Accepted: 09/18/2020] [Indexed: 12/17/2022]
Abstract
Bionanotechnology has developed rapidly over the past two decades, owing to the extensive and versatile, functionalities and applicability of nanoparticles (NPs). Fifty-one nanomedicines have been approved by FDA since 1995, out of the many NPs based formulations developed to date. The general conformation of NPs consists of a core with ligands coating their surface, that stabilizes them and provides them with added functionalities. The physicochemical properties, especially the surface composition of NPs influence their bio-interactions to a large extent. This review discusses recent studies that help understand the nano-bio interactions of iron oxide and gold NPs with different surface compositions. We discuss the influence of the experimental factors on the outcome of the studies and, thus, the importance of standardization in the field of nanotechnology. Recent studies suggest that with careful selection of experimental parameters, it is possible to improve the positive correlation between in vitro and in vivo studies. This provides a fundamental understanding of the NPs which helps in assessing their potential toxic side effects and may aid in manipulating them further to improve their biocompatibility and biosafety.
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14
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Khalaj-Kondori M, Ahmadi-Sani K, Hosseinzadeh A, Abtin M. Dendrosome-encapsulated beta-Boswellic acid boosts expression of the memory-related genes in the B65 cell line. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Natarajan P, Roberts JD, Kunte N, Hunter WB, Fleming SD, Tomich JM, Avila LA. A Study of the Cellular Uptake of Magnetic Branched Amphiphilic Peptide Capsules. Mol Pharm 2020; 17:2208-2220. [PMID: 32324415 DOI: 10.1021/acs.molpharmaceut.0c00393] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Understanding cellular uptake mechanisms of nanoparticles with therapeutic potential has become critical in the field of drug delivery. Elucidation of cellular entry routes can aid in the dissection of the complex intracellular trafficking and potentially allow for the manipulation of nanoparticle fate after cellular delivery (i.e., avoid lysosomal degradation). Branched amphiphilic peptide capsules (BAPCs) are peptide nanoparticles that have been and are being explored as delivery systems for nucleic acids and other therapeutic molecules in vitro and in vivo. In the present study, we determined the cellular uptake routes of BAPCs with and without a magnetic nanobead core (BAPc-MNBs) in two cell lines: macrophages and intestinal epithelial cells. We also studied the influence of size and growth media composition in this cellular process. Substituting the water-filled core with magnetic nanobeads might provide the peptide bilayer nanocapsules with added functionalities, facilitating their use in bio/immunoassays, magnetic field guided drug delivery, and magnetofection among others. Results suggest that BAPc-MNBs are internalized into the cytosol using more than one endocytic pathway. Flow cytometry and analysis of reactive oxygen and nitrogen species (ROS/RNS) demonstrated that cell viability was minimally impacted by BAPc-MNBs. Cellular uptake pathways of peptide vesicles remain poorly understood, particularly with respect to endocytosis and intracellular trafficking. Outcomes from these studies provide a fundamental understanding of the cellular uptake of this peptide-based delivery system which will allow for strengthening of their delivery capabilities and expanding their applications both in vitro and in vivo.
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Affiliation(s)
- Pavithra Natarajan
- Department of Biochemistry and Molecular Biophysics, 141 Chalmers Hall, Kansas State University, Manhattan, Kansas 66506, United States
| | - Jonathan D Roberts
- Department of Biological Sciences, 101 Life Science Bldg, Auburn University, Auburn, Alabama 36849, United States
| | - Nitish Kunte
- Department of Biological Sciences, 101 Life Science Bldg, Auburn University, Auburn, Alabama 36849, United States
| | - Wayne B Hunter
- U.S. Horticultural Research Lab, USDA, ARS, 2001 South Rock Road, Fort Pierce, Florida 34945, United States
| | - Sherry D Fleming
- Division of Biology, 116 Ackert Hall, Kansas State University, Manhattan, Kansas 66506, United States
| | - John M Tomich
- Department of Biochemistry and Molecular Biophysics, 141 Chalmers Hall, Kansas State University, Manhattan, Kansas 66506, United States
| | - L Adriana Avila
- Department of Biological Sciences, 101 Life Science Bldg, Auburn University, Auburn, Alabama 36849, United States
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16
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Alba-Alejandre I, Alba-Tercedor J, Hunter WB. Anatomical study of the female reproductive system and bacteriome of Diaphorina citri Kuwayama, (Insecta: Hemiptera, Liviidae) using micro-computed tomography. Sci Rep 2020; 10:7161. [PMID: 32346040 PMCID: PMC7189384 DOI: 10.1038/s41598-020-64132-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 04/03/2020] [Indexed: 12/11/2022] Open
Abstract
Huanglongbing (HLB) (citrus greening disease) is one of the most serious bacterial diseases of citrus. It is caused by (1) Candidatus Liberibacter africanus, transmitted by Trioza erytreae and (2) C.L. asiaticus and C.L. americanus, transmitted by Diaphorina citri. As part of a multidisciplinary project on D. citri (www.citrusgreening.org), we made a detailed study, using micro-computed tomography, of the female abdominal terminalia, reproductive system (ovaries, accessory glands, spermatheca, colleterial (= cement) gland, connecting ducts, and ovipositor) and bacteriome, which we present here. New terms and structures are introduced and described, particularly concerning the spermatheca, ovipositor and bacteriome. The quality of images and bacteriome reconstructions are comparable, or clearer, than those previously published using a synchrotron or fluorescence in situ hybridisation (FISH). This study: reviews knowledge of the female reproductive system and bacteriome organ in D. citri; represents the first detailed morphological study of D. citri to use micro-CT; and extensively revises existing morphological information relevant to psylloids, hemipterans and insects in general. High quality images and supplementary videos represent a significant advance in knowledge of psylloid anatomy and are useful tools for future research and as educational aids.
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Affiliation(s)
- Ignacio Alba-Alejandre
- Department of Zoology, Faculty of Sciences, University of Granada, Campus de Fuentenueva, Granada, Spain.
| | - Javier Alba-Tercedor
- Department of Zoology, Faculty of Sciences, University of Granada, Campus de Fuentenueva, Granada, Spain.
| | - Wayne B Hunter
- U.S. Department Agriculture, Agricultural Research Service, Fort Pierce, Florida, USA
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17
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Cicero JM, Hunter WB, Cano LM, Saha S, Mueller LA, Brown SJ. Reinterpretation of 'sperm pump' or 'sperm syringe' function with notes on other male internal reproductive organs in the Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae). ARTHROPOD STRUCTURE & DEVELOPMENT 2020; 54:100915. [PMID: 32062333 DOI: 10.1016/j.asd.2020.100915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 01/22/2020] [Accepted: 01/22/2020] [Indexed: 06/10/2023]
Abstract
Reproduction is a critical feature in the search for means to manage the Asian citrus psyllid, vector of a devastating bacterial pathogen of citrus. The importance of accuracy in functional, anatomical descriptions and interpretations for use by other disciplines, particularly molecular genetics, cannot be overstressed. The term 'sperm pump' was coined by classical authors on observational appearance of the endoskeleton of the male reproductive apparatus. They described a thimble-shaped cuticle with smooth, cylindrical columns, interpreted as muscles, that ran longitudinally around a central cylinder. They detected transverse lines on the cylinder giving the false impression of a coiled spring. These features fostered the teleological interpretation that the device is a contractile pump. Now obsolete, the term is replaced by 'drum/spout complex'. It is a hypodermis with a sclerotized cuticle that houses the phallus which transports seminal fluid through its lumen to the female for insemination. Between the spout and the external genitalia is a spout extension, conferring flexibility to the apparatus about the abdominal apex. Approximately 21 longitudinal columns extend circumferentially around the cylinder's hemolymph-side, from the thimble's basal plate to its apical plate. These columns are correctly muscle cells, and reinterpreted to exude a lipaceous, lubricating substance for mating.
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Affiliation(s)
- Joseph M Cicero
- University of Florida, UF/IFAS, Entomology and Nematology Dept., 1881 Natural Area Dr., Steinmetz Hall, Gainesville, 32611, USA.
| | - Wayne B Hunter
- USDA-ARS, Horticultural Research Lab, 2001 S. Rock Rd., Fort Pierce, FL 34945, USA
| | - Liliana M Cano
- University of Florida, UF/IFAS, Indian River Research and Education Center, Department of Plant Pathology, 2199 S. Rock Rd., Ft. Pierce, FL 34945, USA
| | - Surya Saha
- Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA
| | - Lukas A Mueller
- Boyce Thompson Institute, 533 Tower Rd., Ithaca, NY 14853, USA
| | - Susan J Brown
- Dept. Biology, Ackert Hall, Kansas State University, Manhattan, KS 66506, USA
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18
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Wessel EM, Tomich JM, Todd RB. Biodegradable Drug-Delivery Peptide Nanocapsules. ACS OMEGA 2019; 4:20059-20063. [PMID: 31788640 PMCID: PMC6882115 DOI: 10.1021/acsomega.9b03245] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Branched amphiphilic peptide capsules (BAPCs) are an efficient transport system that can deliver nucleic acids, small proteins, and solutes. The ability of BAPCs to break down is essential to their adoption as a delivery vehicle for human and agricultural applications. Until now, however, BAPCs were shown to be inert to mammalian degradation systems. Here, we demonstrate, using BAPCs encapsulating the toxic urea analogue thiourea, that the common soil fungus Aspergillus nidulans can degrade BAPCs. We provide evidence that this degradation is extracellular through the action of secreted proteases. Our data indicate that BAPCs are likely biodegradable in the environment.
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Affiliation(s)
- Emily M. Wessel
- Department
of Biochemistry and Molecular Biophysics, Kansas State University, 206 Burt Hall, Manhattan, Kansas 66506, United
States
| | - John M. Tomich
- Department
of Biochemistry and Molecular Biophysics, Kansas State University, 206 Burt Hall, Manhattan, Kansas 66506, United
States
| | - Richard B. Todd
- Department
of Plant Pathology, Kansas State University, 1712 Claflin Road, 4024 Throckmorton
Plant Sciences Center, Manhattan, Kansas 66506, United
States
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19
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Cicero JM, Stansly PA. New Anatomical Evidence from the Male Asian Citrus Psyllid (Hemiptera: Liviidae) Invokes Controversy Over the Accepted Function of Some Male Reproductive Organs in Psylloidea. JOURNAL OF INSECT SCIENCE (ONLINE) 2019; 19:5521720. [PMID: 31225878 PMCID: PMC6587681 DOI: 10.1093/jisesa/iez048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Indexed: 06/09/2023]
Abstract
Males of many Psylloidea are known to possess a characteristic structure at the functional hub of their reproductive apparatus, between afferent and efferent passage of seminal fluid. The structure is a squat, cylindrical endoskeleton consisting of two sections. Classical authors named them as 'sperm pump' and 'ejaculatory duct', based on superficial resemblance to a spring-loaded, thimble-shaped cylinder, encircled by smooth, vertical columns interpreted to be muscles which, when contracted, compress the cylinder and affect seminal fluid discharge. The discovery of numerous spherules of unknown composition and function in and around the columns of the Asian citrus psyllid male genitalia invoked rigorous scrutiny of the classical literature for evidence to support its claims, and determined that the grounds for vetting the structure as a sperm pump were fully teleological. This paper raises several objections to modern acceptance of this classical interpretation, presenting them as problematic, thought-provoking, and sometimes controversial anatomical features. The two sections are herein called 'drum' and 'spout'. As an endoskeleton, the sections are an invagination of the exoskeleton and therefore cannot receive seminal fluid into their hollow. A phallus is identified inside an aedeagal tube, indicating that it is the ejaculatory duct-the tube, drum, and spout are considered its housing. A sheath envelopes the drum and is directly continuous with the spout hypodermis, another problematical feature raising the question of whether it is detached from adherence to the drum cuticles. Also, there are four afferent tubes but only two openings in the drum to receive their seminal fluids.
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Affiliation(s)
- Joseph M Cicero
- Entomology and Nematology Department, University of Florida, Steinmetz Hall, 1881 Natural Area Dr., Gainesville, FL 32611
| | - Philip A Stansly
- (posthumous) Entomology and Nematology Department, Southwest Research and Education Center, University of Florida, Immokalee, FL
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20
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Paquet-Côté PA, Fillion M, Provencher MÈ, Otis F, Dionne J, Cardinal S, Collignon B, Bürck J, Lagüe P, Ulrich AS, Auger M, Voyer N. Crown ether modified peptide interactions with model membranes‡. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1574349] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | - Matthieu Fillion
- Département de chimie, PROTEO, CERMA and CQMF, Université Laval, Québec, Canada
| | | | - François Otis
- Département de chimie and PROTEO, Université Laval, Québec, Canada
| | - Justine Dionne
- Département de chimie, PROTEO, CERMA and CQMF, Université Laval, Québec, Canada
| | | | - Barbara Collignon
- Département de biochimie, de microbiologie et de bio-informatique and PROTEO, Université Laval, Québec, Canada
| | - Jochen Bürck
- Institute of Biological Interfaces (IBG-2), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Patrick Lagüe
- Département de biochimie, de microbiologie et de bio-informatique and PROTEO, Université Laval, Québec, Canada
| | - Anne S. Ulrich
- Institute of Biological Interfaces (IBG-2), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Michèle Auger
- Département de chimie, PROTEO, CERMA and CQMF, Université Laval, Québec, Canada
| | - Normand Voyer
- Département de chimie and PROTEO, Université Laval, Québec, Canada
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21
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Alba-Alejandre I, Hunter WB, Alba-Tercedor J. Micro-CT study of male genitalia and reproductive system of the Asian citrus psyllid, Diaphorina citri Kuwayama, 1908 (Insecta: Hemiptera, Liviidae). PLoS One 2018; 13:e0202234. [PMID: 30114289 PMCID: PMC6095541 DOI: 10.1371/journal.pone.0202234] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 07/30/2018] [Indexed: 11/18/2022] Open
Abstract
The Asian citrus psyllid (ACP), Diaphorina citri, is a major vector of the bacteria Candidatus Liberibacter asiaticus and C.L. americanus, which cause Huanglongbing disease (HLB) (aka Citrus greening disease), considered the most serious bacterial disease of citrus trees. As part of a multidisciplinary project on psyllid biology (www.citrusgreening.org), the results presented here concern a detailed anatomical study of the male reproductive system (testes, seminal vesicles, accessory glands, sperm pump, connecting ducts, and aedeagus) using micro-computed tomography (micro-CT). The study summarizes current knowledge on psyllids male reproductive system and represents significant advances in the knowledge of ACP anatomy.
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Affiliation(s)
- Ignacio Alba-Alejandre
- Department of Zoology, Faculty of Sciences, University of Granada, Campus de Fuentenueva, Granada, Spain
| | - Wayne B. Hunter
- U.S. Dept. Agriculture, Agricultural Research Service, Fort Pierce, Florida, United States of America
| | - Javier Alba-Tercedor
- Department of Zoology, Faculty of Sciences, University of Granada, Campus de Fuentenueva, Granada, Spain
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22
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Tumor target amplification: Implications for nano drug delivery systems. J Control Release 2018; 275:142-161. [PMID: 29454742 DOI: 10.1016/j.jconrel.2018.02.020] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 02/13/2018] [Accepted: 02/14/2018] [Indexed: 12/14/2022]
Abstract
Tumor cells overexpress surface markers which are absent from normal cells. These tumor-restricted antigenic signatures are a fundamental basis for distinguishing on-target from off-target cells for ligand-directed targeting of cancer cells. Unfortunately, tumor heterogeneity impedes the establishment of a solid expression pattern for a given target marker, leading to drastic changes in quality (availability) and quantity (number) of the target. Consequently, a subset of cancer cells remains untargeted during the course of treatment, which subsequently promotes drug-resistance and cancer relapse. Since target inefficiency is only problematic for cancer treatment and not for treatment of other pathological conditions such as viral/bacterial infections, target amplification or the generation of novel targets is key to providing eligible antigenic markers for effective targeted therapy. This review summarizes the limitations of current ligand-directed targeting strategies and provides a comprehensive overview of tumor target amplification strategies, including self-amplifying systems, dual targeting, artificial markers and peptide modification. We also discuss the therapeutic and diagnostic potential of these approaches, the underlying mechanism(s) and established methodologies, mostly in the context of different nanodelivery systems, to facilitate more effective ligand-directed cancer cell monitoring and targeting.
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23
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Enhanced and Selective Antiproliferative Activity of Methotrexate-Functionalized-Nanocapsules to Human Breast Cancer Cells (MCF-7). NANOMATERIALS 2018; 8:nano8010024. [PMID: 29300349 PMCID: PMC5791111 DOI: 10.3390/nano8010024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 12/21/2017] [Accepted: 12/28/2017] [Indexed: 02/06/2023]
Abstract
Methotrexate is a folic acid antagonist and its incorporation into nanoformulations is a promising strategy to increase the drug antiproliferative effect on human breast cancer cells by overexpressing folate receptors. To evaluate the efficiency and selectivity of nanoformulations containing methotrexate and its diethyl ester derivative, using two mechanisms of drug incorporation (encapsulation and surface functionalization) in the in vitro cellular uptake and antiproliferative activity in non-tumoral immortalized human keratinocytes (HaCaT) and in human breast carcinoma cells (MCF-7). Methotrexate and its diethyl ester derivative were incorporated into multiwall lipid-core nanocapsules with hydrodynamic diameters lower than 160 nm and higher drug incorporation efficiency. The nanoformulations were applied to semiconfluent HaCaT or MCF-7 cells. After 24 h, the nanocapsules were internalized into HaCaT and MCF-7 cells; however, no significant difference was observed between the nanoformulations in HaCaT (low expression of folate receptors), while they showed significantly higher cellular uptakes than the blank-nanoformulation in MCF-7, which was the highest uptakes observed for the drug functionalized-nanocapsules. No antiproliferative activity was observed in HaCaT culture, whereas drug-containing nanoformulations showed antiproliferative activity against MCF-7 cells. The effect was higher for drug-surface functionalized nanocapsules. In conclusion, methotrexate-functionalized-nanocapsules showed enhanced and selective antiproliferative activity to human breast cancer cells (MCF-7) being promising products for further in vivo pre-clinical evaluations.
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24
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Madadlou A, Abbaspourrad A. Bioactive whey peptide particles: An emerging class of nutraceutical carriers. Crit Rev Food Sci Nutr 2017; 58:1468-1477. [DOI: 10.1080/10408398.2016.1264064] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ashkan Madadlou
- Department of Food Science and Engineering, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
| | - Alireza Abbaspourrad
- Department of Food Science, College of Agriculture & Life Sciences, Cornell University, Ithaca, New York, USA
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25
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Avila L, Aps L, Ploscariu N, Sukthankar P, Guo R, Wilkinson K, Games P, Szoszkiewicz R, Alves R, Diniz M, Fang Y, Ferreira L, Tomich J. Gene delivery and immunomodulatory effects of plasmid DNA associated with Branched Amphiphilic Peptide Capsules. J Control Release 2016; 241:15-24. [DOI: 10.1016/j.jconrel.2016.08.042] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 08/27/2016] [Accepted: 08/31/2016] [Indexed: 01/08/2023]
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26
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Jia Z, Whitaker SK, Tomich JM, Chen J. Organization and Structure of Branched Amphipathic Oligopeptide Bilayers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:9883-91. [PMID: 27584835 PMCID: PMC5039110 DOI: 10.1021/acs.langmuir.6b02421] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A class of self-assembling branched amphiphilic peptide capsules (BAPCs) was recently developed that could serve as a new drug delivery vehicle. BAPCs can encapsulate solutes up to ∼12 kDa during assembly, are unusually stable, and are readily taken up by cells with low cytotoxicity. Coarse-grained simulations have supported that BAPCs are defined by bilayers that resemble those formed by diacyl phospholipids. Here, atomistic simulations were performed to characterize the structure and organization of bilayers formed by three branched amphiphilic peptides (BAPs): bis(Ac-FLIVIGSII)-K-K4-CO-NH2, bis(Ac-CHA-LIVIGSII)-K-K4-CO-NH2, and bis(Ac-FLIVI)-K-K4-CO-NH2. The results show BAPs form a network of intra- and intermolecular backbone hydrogen bonds within the same leaflet in addition to hydrophobic side-chain interactions. The terminal residues of two leaflets form an interdigitation region locking two leaflets together. The phenyl groups in bis(Ac-FLIVIGSII)-K-K4-CO-NH2 and bis(Ac-FLIVI)-K-K4-CO-NH2 are tightly packed near the bilayer center but do not formed ordered structures with specific π-π stacking. Replacing phenyl groups with the cyclohexane side chain only slightly increases the level of disorder in bilayer structures and thus should not significantly affect the stability, consistent with experimental results on bis(Ac-CHA-LIVIGSII)-K-K4-CO-NH2 BAPCs. Self-assembly simulations further suggest that leaflet interdigitation likely occurs at early stages of BAPC formation. Atomistic simulations also reveal that the BAPC bilayers are highly permeable to water. This prediction was validated using fluorescence measurements of encapsulated self-quenching dye upon transferring BAPCs to buffers with different salt concentrations. Improved understanding of the organization and structure of BAPC bilayers at the atomic level will provide a basis for future rational modifications of BAP sequence to improve BAPC properties as a new class of delivery vehicle.
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Affiliation(s)
| | | | | | - Jianhan Chen
- Corresponding Author: Phone: (785) 532-2518; Fax: (785) 532-7278;
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27
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Barros SM, Whitaker SK, Sukthankar P, Avila LA, Gudlur S, Warner M, Beltrão EIC, Tomich JM. A review of solute encapsulating nanoparticles used as delivery systems with emphasis on branched amphipathic peptide capsules. Arch Biochem Biophys 2016; 596:22-42. [PMID: 26926258 PMCID: PMC4841695 DOI: 10.1016/j.abb.2016.02.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 02/24/2016] [Accepted: 02/26/2016] [Indexed: 11/30/2022]
Abstract
Various strategies are being developed to improve delivery and increase the biological half-lives of pharmacological agents. To address these issues, drug delivery technologies rely on different nano-sized molecules including: lipid vesicles, viral capsids and nano-particles. Peptides are a constituent of many of these nanomaterials and overcome some limitations associated with lipid-based or viral delivery systems, such as tune-ability, stability, specificity, inflammation, and antigenicity. This review focuses on the evolution of bio-based drug delivery nanomaterials that self-assemble forming vesicles/capsules. While lipid vesicles are preeminent among the structures; peptide-based constructs are emerging, in particular peptide bilayer delimited capsules. The novel biomaterial-Branched Amphiphilic Peptide Capsules (BAPCs) display many desirable properties. These nano-spheres are comprised of two branched peptides-bis(FLIVI)-K-KKKK and bis(FLIVIGSII)-K-KKKK, designed to mimic diacyl-phosphoglycerides in molecular architecture. They undergo supramolecular self-assembly and form solvent-filled, bilayer delineated capsules with sizes ranging from 20 nm to 2 μm depending on annealing temperatures and time. They are able to encapsulate different fluorescent dyes, therapeutic drugs, radionuclides and even small proteins. While sharing many properties with lipid vesicles, the BAPCs are much more robust. They have been analyzed for stability, size, cellular uptake and localization, intra-cellular retention and, bio-distribution both in culture and in vivo.
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Affiliation(s)
- Sheila M Barros
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA; Department of Biochemistry, Federal University of Pernambuco-UFPE, Recife, Pernambuco, 50670-901, Brazil
| | - Susan K Whitaker
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - Pinakin Sukthankar
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - L Adriana Avila
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - Sushanth Gudlur
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - Matt Warner
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - Eduardo I C Beltrão
- Department of Biochemistry, Federal University of Pernambuco-UFPE, Recife, Pernambuco, 50670-901, Brazil
| | - John M Tomich
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA.
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28
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Mao X, Kwon J, Koh EK, Hwang DY, Lee J. Ligand exchange procedure for bimetallic magnetic iron-nickel nanocrystals toward biocompatible activities. ACS APPLIED MATERIALS & INTERFACES 2015; 7:15522-15530. [PMID: 26112395 DOI: 10.1021/acsami.5b03952] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Bimetallic magnetic iron-nickel (FeNi) nanocrystals (NCs) were synthesized through a one-pot synthetic wet chemistry method, and the morphology of the resulting NCs can be adjusted by changing the molar ratio of chemical attendees during the experimental processes. The obtained FeNi NCs can be redispersed in water medium though the phase works by using the ligand exchange procedures of cysteine (Cys), 5-aminovaleric acid (5AA), and glutathione (GSH), respectively. The synthesized NCs exhibited excellent magnetic properties with Hc (magnetic fields, ≈10(-3) T) and μa (initial permeability of up to 10(5)). Furthermore, linear sweep voltammetry (LSV) polarization curves revealed a low overpotential of -0.47, -0.44, and 0.15 V and a current of 105.7, 97.8, and 209 mA for the Cys-, 5AA-, and GSH-FeNi NCs, respectively. This indicated a relatively high catalytic activity of these NCs in the hydrogen evolution reaction (HER). The different cell lines (AGS, HepG2, MG63, NCI-H460, and SK-MEL-2) exposed to FeNi NCs for 5 days exhibited >87% viability at concentrations of up to 50 μg mL(-1), which was indicative of excellent biocompatibility. The resulting FeNi NCs offer a facile synthetic route to fabricate monodispersed NCs. The biocompatibility of these NCs should also enable their application in electrocatalysis and biological applications.
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Affiliation(s)
- Xiang Mao
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Junyoung Kwon
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Eun Kyoung Koh
- ‡Department of Biomaterials Science, College of Natural Resources and Life Science, Pusan National University, 50 Cheonghak, Miryang 627-706, Republic of Korea
| | - Dae Youn Hwang
- ‡Department of Biomaterials Science, College of Natural Resources and Life Science, Pusan National University, 50 Cheonghak, Miryang 627-706, Republic of Korea
| | - Jaebeom Lee
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
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Unzueta U, Céspedes MV, Vázquez E, Ferrer-Miralles N, Mangues R, Villaverde A. Towards protein-based viral mimetics for cancer therapies. Trends Biotechnol 2015; 33:253-8. [DOI: 10.1016/j.tibtech.2015.02.007] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 02/23/2015] [Accepted: 02/25/2015] [Indexed: 01/22/2023]
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30
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Sukthankar P, Whitaker SK, Garcia M, Herrera A, Boatwright M, Prakash O, Tomich JM. Thermally induced conformational transitions in nascent branched amphiphilic peptide capsules. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:2946-55. [PMID: 25719598 DOI: 10.1021/la504381y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Branched amphiphilic peptide capsules (BAPCs) are biocompatible, bilayer delimited polycationic nanospheres that spontaneously form at room temperature through the coassembly of two amphiphilic branched peptides: bis(FLIVI)-K-K4 and bis(FLIVIGSII)-K-K4. BAPCs are readily taken up by cells in culture, where they escape and/or evade the endocytic pathway and accumulate in the perinuclear region, persisting there without apparent degradation or extravasation. Drugs, small proteins, and solutes as well as α particle emitting radionuclides are stably encapsulated for extended periods of time. BAPC formation at room temperature proceeds via a fusogenic process and after 48 h a range of BAPCs sizes are observed, from 50 nm to a few microns in diameter. It was previously reported that cooling BAPCs from 25 to 4 °C and then back to 25 °C eliminated their fusogenic property. In this report, biophysical techniques reveal that BAPCs undergo thermosensitive conformational transitions as a function of both time and temperature and that the properties of BAPCs vary based on the temperature of assembly. The solvent dissociation properties of BAPCs were studied as well as the contributions of specific amino acid residues to the observed conformations. The roles of the potential stabilizing forces present within the bilayer that bestow the unusal stability of the BAPCs are discussed. Ultimately this study presents revised assembly protocols for preparing BAPCs with discrete sizes and solvent-induced extravasation properties.
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Affiliation(s)
- Pinakin Sukthankar
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
| | - Susan K Whitaker
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
| | - Macy Garcia
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
| | - Alvaro Herrera
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
| | - Mark Boatwright
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
| | - Om Prakash
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
| | - John M Tomich
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas 66502, United States
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31
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Avila LA, Aps LRMM, Sukthankar P, Ploscariu N, Gudlur S, Šimo L, Szoszkiewicz R, Park Y, Lee SY, Iwamoto T, Ferreira LCS, Tomich JM. Branched Amphiphilic Cationic Oligopeptides Form Peptiplexes with DNA: A Study of Their Biophysical Properties and Transfection Efficiency. Mol Pharm 2015; 12:706-15. [DOI: 10.1021/mp500524s] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- L. Adriana Avila
- Department of Biochemistry & Molecular Biophysics, Kansas State University, Manhattan, Kansas 66506-3902, United States
| | - Luana R. M. M. Aps
- Institute
of Biomedical Sciences, University of São Paulo, São Paulo, São Paulo 05508-900, Brazil
| | - Pinakin Sukthankar
- Department of Biochemistry & Molecular Biophysics, Kansas State University, Manhattan, Kansas 66506-3902, United States
| | - Nicoleta Ploscariu
- Department
of Physics, Kansas State University, Manhattan, Kansas 66506-2601, United States
| | - Sushanth Gudlur
- Department of Biochemistry & Molecular Biophysics, Kansas State University, Manhattan, Kansas 66506-3902, United States
| | - Ladislav Šimo
- Department
of Entomology, Kansas State University, Manhattan, Kansas 66506-4004, United States
| | - Robert Szoszkiewicz
- Department
of Physics, Kansas State University, Manhattan, Kansas 66506-2601, United States
| | - Yoonseong Park
- Department
of Entomology, Kansas State University, Manhattan, Kansas 66506-4004, United States
| | - Stella Y. Lee
- Division
of Biology, Kansas State University, Manhattan, Kansas 66506-3902, United States
| | - Takeo Iwamoto
- Division
of Biochemistry, Core Research Facilities, Jikei University School of Medicine, Tokyo 105-8461, Japan
| | - Luis C. S. Ferreira
- Institute
of Biomedical Sciences, University of São Paulo, São Paulo, São Paulo 05508-900, Brazil
| | - John M. Tomich
- Department of Biochemistry & Molecular Biophysics, Kansas State University, Manhattan, Kansas 66506-3902, United States
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