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Man F, Xing H, Wang H, Wang J, Lu R. Engineered small extracellular vesicles as a versatile platform to efficiently load ferulic acid via an “esterase-responsive active loading” strategy. Front Bioeng Biotechnol 2022; 10:1043130. [DOI: 10.3389/fbioe.2022.1043130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 10/27/2022] [Indexed: 11/11/2022] Open
Abstract
As nano-drug carriers, small extracellular vesicles (sEVs) have shown unique advantages, but their drug loading and encapsulation efficiency are far from being satisfied, especially for the loading of hydrophilic small-molecule drugs. Inspired by the strategies of active loading of liposomal nanomedicines, pre-drug design and immobilization enzyme, here we developed a new platform, named “Esterase-responsive Active Loading” (EAL), for the efficient and stable drug encapsulation of sEVs. Widely used ferulic acid ester derivatives were chosen as prodrugs based on the EAL of engineered sEVs to establish a continuous transmembrane ion gradient for achieving efficient loading of active molecule ferulic acid into sEVs. The EAL showed that the drug loading and encapsulation efficiency were around 6-fold and 5-fold higher than passive loading, respectively. Moreover, characterization by nano-flow cytometry and Malvern particle size analyzer showed that differential ultracentrifugation combined with multiple types of membrane filtration methods can achieve large-scale and high-quality production of sEVs. Finally, extracellular and intracellular assessments further confirmed the superior performance of the EAL-prepared sEVs-loaded ferulic acid preparation in terms of slow release and low toxicity. Taken together, these findings will provide an instructive insight into the development of sEV-based delivery systems.
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Alves LR, Correa A, Guimarães AJ, Rodrigues ML. Editorial: Extracellular vesicles in diseases, host-pathogen interaction and therapeutic applications. Front Cell Infect Microbiol 2022; 12:1010008. [PMID: 36211952 PMCID: PMC9535090 DOI: 10.3389/fcimb.2022.1010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 08/12/2022] [Indexed: 11/27/2022] Open
Affiliation(s)
- Lysangela R. Alves
- Gene Expression Regulation Laboratory, Instituto Carlos Chagas - FIOCRUZ-PR, Curitiba, Brazil
- *Correspondence: Lysangela R. Alves,
| | - Alejandro Correa
- Stem Cells Basic Biology Laboratory, Instituto Carlos Chagas - FIOCRUZ-PR, Curitiba, Brazil
| | - Allan J. Guimarães
- Laboratório de Bioquímica e Imunologia das Micoses, Departamento de Microbiologia e Parasitologia, Instituto Biomédico, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Marcio L. Rodrigues
- Gene Expression Regulation Laboratory, Instituto Carlos Chagas - FIOCRUZ-PR, Curitiba, Brazil
- Instituto de Microbiologia Paulo de Góes (IMPG), Universidade Federal do Rio de Janeiro, Niteroi, Brazil
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Wang Y, Yang S, Li C, Hu T, Hou S, Bai Q, Ji X, Xu F, Guo C, Huang M, Cai Y, Liu J. The plasma membrane-localized OsNIP1;2 mediates internal aluminum detoxification in rice. FRONTIERS IN PLANT SCIENCE 2022; 13:970270. [PMID: 36172551 PMCID: PMC9512054 DOI: 10.3389/fpls.2022.970270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/25/2022] [Indexed: 06/16/2023]
Abstract
Aluminum (Al) toxicity significantly restricts crop production on acidic soils. Although rice is highly resistant to Al stress, the underlying resistant mechanisms are not fully understood. Here, we characterized the function of OsNIP1;2, a plasma membrane-localized nodulin 26-like intrinsic protein (NIP) in rice. Aluminum stress specifically and quickly induced OsNIP1;2 expression in the root. Functional mutations of OsNIP1;2 in two independent rice lines led to significantly enhanced sensitivity to Al but not other metals. Moreover, the Osnip1;2 mutants had considerably more Al accumulated in the root cell wall but less in the cytosol than the wild-type rice. In addition, compared with the wild-type rice plants, the Osnip1;2 mutants contained more Al in the root but less in the shoot. When expressed in yeast, OsNIP1;2 led to enhanced Al accumulation in the cells and enhanced sensitivity to Al stress, suggesting that OsNIP1;2 facilitated Al uptake in yeast. These results suggest that OsNIP1;2 confers internal Al detoxification via taking out the root cell wall's Al, sequestering it to the root cell's vacuole, and re-distributing it to the above-ground tissues.
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Affiliation(s)
- Yuqi Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
- Robert W. Holley Center, United States Department of Agriculture, Agricultural Research Service, Cornell University, Ithaca, NY, United States
| | - Shaohua Yang
- Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou, China
| | - Chune Li
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Taijiao Hu
- Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou, China
| | - Siyu Hou
- School of Agriculture, Shanxi Agricultural University, Jinzhong, China
| | - Qing Bai
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Xiyue Ji
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Feng Xu
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Chongdai Guo
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Min Huang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Yanfei Cai
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, China
| | - Jiping Liu
- Robert W. Holley Center, United States Department of Agriculture, Agricultural Research Service, Cornell University, Ithaca, NY, United States
- Plant Breeding and Genetics Section, School of Integrative Plant Sciences, Cornell University, Ithaca, NY, United States
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Serratì S, Palazzo A, Lapenna A, Mateos H, Mallardi A, Marsano RM, Quarta A, Del Rosso M, Azzariti A. Salting-Out Approach Is Worthy of Comparison with Ultracentrifugation for Extracellular Vesicle Isolation from Tumor and Healthy Models. Biomolecules 2021; 11:biom11121857. [PMID: 34944501 PMCID: PMC8699204 DOI: 10.3390/biom11121857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/29/2021] [Accepted: 12/08/2021] [Indexed: 11/20/2022] Open
Abstract
The role of extracellular vesicles (EVs) has been completely re-evaluated in the recent decades, and EVs are currently considered to be among the main players in intercellular communication. Beyond their functional aspects, there is strong interest in the development of faster and less expensive isolation protocols that are as reliable for post-isolation characterisations as already-established methods. Therefore, the identification of easy and accessible EV isolation techniques with a low price/performance ratio is of paramount importance. We isolated EVs from a wide spectrum of samples of biological and clinical interest by choosing two isolation techniques, based on their wide use and affordability: ultracentrifugation and salting-out. We collected EVs from human cancer and healthy cell culture media, yeast, bacteria and Drosophila culture media and human fluids (plasma, urine and saliva). The size distribution and concentration of EVs were measured by nanoparticle tracking analysis and dynamic light scattering, and protein depletion was measured by a colorimetric nanoplasmonic assay. Finally, the EVs were characterised by flow cytometry. Our results showed that the salting-out method had a good efficiency in EV separation and was more efficient in protein depletion than ultracentrifugation. Thus, salting-out may represent a good alternative to ultracentrifugation.
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Affiliation(s)
- Simona Serratì
- Nanotecnology Laboratory, IRCCS Istituto Tumori Giovanni Paolo II, Viale Orazio Flacco 65, 70124 Bari, Italy;
- Correspondence: (S.S.); (A.P.)
| | - Antonio Palazzo
- Nanotecnology Laboratory, IRCCS Istituto Tumori Giovanni Paolo II, Viale Orazio Flacco 65, 70124 Bari, Italy;
- Correspondence: (S.S.); (A.P.)
| | - Annamaria Lapenna
- Department of Chemistry, University of Bari and CSGI (Center for Colloid and Surface Science), Via Orabona 4, 70125 Bari, Italy; (A.L.); (H.M.)
| | - Helena Mateos
- Department of Chemistry, University of Bari and CSGI (Center for Colloid and Surface Science), Via Orabona 4, 70125 Bari, Italy; (A.L.); (H.M.)
| | - Antonia Mallardi
- Istituto per i Processi Chimico Fisici, National Research Council (IPCF-CNR), c/o ChemistryDepartment, Via Orabona 4, 70125 Bari, Italy;
| | | | - Alessandra Quarta
- CNR NANOTEC—Istituto di Nanotecnologia, National Research Council (CNR), Via Monteroni, 73100 Lecce, Italy;
| | - Mario Del Rosso
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale G.B. Morgagni 50, 50134 Florence, Italy;
| | - Amalia Azzariti
- Nanotecnology Laboratory, IRCCS Istituto Tumori Giovanni Paolo II, Viale Orazio Flacco 65, 70124 Bari, Italy;
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, Viale Orazio Flacco 65, 70124 Bari, Italy
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Abstract
The comprehension of fungal biology is important for several reasons. Besides being used in biotechnological processes and in the food industry, fungi are also important animal and vegetal pathogens. Fungal diseases in humans have a great importance worldwide, and understanding fungal biology is crucial for treatment and prevention of these diseases, especially because of emerging antifungal resistance that poses great epidemiological risks. Communication through extracellular vesicles is a ubiquitous mechanism of molecule transfer between cells and is used to transport proteins, nucleic acids, lipids, and other biologically active molecules. Several pathogens can produce and transfer extracellular vesicles, and the importance of this pathway in fungal communication with hosts and between fungal cells has been described for several species in the last years, as shown for Saccharomyces cereviseae, Cryptococcus neoformans, Candida albicans, Paracoccidioides braziliensis, Sporothrix schenckii, Candida parapsilosis, Malassezia sympodialis, Histoplasma capsulatum, among others. In this chapter, we review the role of extracellular vesicles in fungal communication, interaction with hosts and with the environment, and also highlighting important molecules found in fungal EVs.
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Hosseini A, Soleimani S, Pezeshgi Modarres H, Hojjati Emami S, Tondar M, Bahlakeh G, Hasani-Sadrabadi MM. Exosome-inspired targeting of cancer cells with enhanced affinity. J Mater Chem B 2016; 4:768-778. [DOI: 10.1039/c5tb01741f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Herein the combination of molecular dynamics simulations and experimental frameworks for mimicking the exosomes to build next generation cancer nanomedicine is presented.
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Affiliation(s)
- A. Hosseini
- Center of Excellence in Biomaterials
- Department of Biomedical Engineering
- Amirkabir University of Technology
- Tehran
- Iran
| | - Sh. Soleimani
- Center of Excellence in Biomaterials
- Department of Biomedical Engineering
- Amirkabir University of Technology
- Tehran
- Iran
| | - H. Pezeshgi Modarres
- Institute of Bioengineering
- École Polytechnique Fédérale de Lausanne (EPFL)
- Lausanne
- Switzerland
| | - Sh. Hojjati Emami
- Center of Excellence in Biomaterials
- Department of Biomedical Engineering
- Amirkabir University of Technology
- Tehran
- Iran
| | - M. Tondar
- Department of Biochemistry and Molecular & Cellular Biology
- School of Medicine
- Georgetown University
- Washington D.C
- USA
| | - G. Bahlakeh
- Department of Engineering and Technology
- Golestan University
- Aliabad Katool
- Iran
| | - M. M. Hasani-Sadrabadi
- Center of Excellence in Biomaterials
- Department of Biomedical Engineering
- Amirkabir University of Technology
- Tehran
- Iran
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