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Zhi H, Zhou S, Pan W, Shang Y, Zeng Z, Zhang H. The Promising Nanovectors for Gene Delivery in Plant Genome Engineering. Int J Mol Sci 2022; 23:ijms23158501. [PMID: 35955636 PMCID: PMC9368765 DOI: 10.3390/ijms23158501] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/24/2022] [Accepted: 07/26/2022] [Indexed: 11/16/2022] Open
Abstract
Highly efficient gene delivery systems are essential for genetic engineering in plants. Traditional delivery methods have been widely used, such as Agrobacterium-mediated transformation, polyethylene glycol (PEG)-mediated delivery, biolistic particle bombardment, and viral transfection. However, genotype dependence and other drawbacks of these techniques limit the application of genetic engineering, particularly genome editing in many crop plants. There is a great need to develop newer gene delivery vectors or methods. Recently, nanomaterials such as mesoporous silica particles (MSNs), AuNPs, carbon nanotubes (CNTs), and layer double hydroxides (LDHs), have emerged as promising vectors for the delivery of genome engineering tools (DNA, RNA, proteins, and RNPs) to plants in a species-independent manner with high efficiency. Some exciting results have been reported, such as the successful delivery of cargo genes into plants and the generation of genome stable transgenic cotton and maize plants, which have provided some new routines for genome engineering in plants. Thus, in this review, we summarized recent progress in the utilization of nanomaterials for plant genetic transformation and discussed the advantages and limitations of different methods. Furthermore, we emphasized the advantages and potential broad applications of nanomaterials in plant genome editing, which provides guidance for future applications of nanomaterials in plant genetic engineering and crop breeding.
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Affiliation(s)
- Heng Zhi
- School of Advanced Agricultural Sciences, Peking University, Beijing 100871, China; (H.Z.); (S.Z.); (W.P.)
- Institute of Advanced Agricultural Science, Peking University, Weifang 261000, China;
| | - Shengen Zhou
- School of Advanced Agricultural Sciences, Peking University, Beijing 100871, China; (H.Z.); (S.Z.); (W.P.)
- Institute of Advanced Agricultural Science, Peking University, Weifang 261000, China;
| | - Wenbo Pan
- School of Advanced Agricultural Sciences, Peking University, Beijing 100871, China; (H.Z.); (S.Z.); (W.P.)
- Institute of Advanced Agricultural Science, Peking University, Weifang 261000, China;
| | - Yun Shang
- Institute of Advanced Agricultural Science, Peking University, Weifang 261000, China;
| | - Zhanghua Zeng
- Institute of Environment and Sustainable Development in Agriculture, CAAS Chinese Academy of Agricultural Science, Beijing 100081, China;
| | - Huawei Zhang
- Institute of Advanced Agricultural Science, Peking University, Weifang 261000, China;
- Correspondence:
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Literature Alerts. J Microencapsul 2008. [DOI: 10.3109/02652048709021811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Arvinte T, Steponkus PL. Characterization of the pH-induced fusion of liposomes with the plasma membrane of rye protoplasts. Biochemistry 2002. [DOI: 10.1021/bi00415a042] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ma DD, Wei AQ. Enhanced delivery of synthetic oligonucleotides to human leukaemic cells by liposomes and immunoliposomes. Leuk Res 1996; 20:925-30. [PMID: 9009250 DOI: 10.1016/s0145-2126(96)00062-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The ability of pH-sensitive liposomes and immunoliposomes to deliver synthetic antisense oligonucleotides (oligos) into human myeloid and lymphoid leukaemia cells was examined. The cellular uptake of an 18mer anti-myb oligonucleotide encapsulated in liposomes was from three- to five-fold higher than that of 32P-oligos alone. In addition, anti-CD32 or anti-CD2 immunoliposomes improved the delivery of oligos to leukaemic cells carrying the appropriate receptor for the specific antibody-linked immunoliposome. The uptake of oligos was twice that of the liposome or non-specific immunoliposome encapsulated oligos. These findings support the use of liposomes or immunoliposomes to deliver antisense oligos into human leukaemic cells.
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Affiliation(s)
- D D Ma
- Department of Haematology, Royal North Shore Hospital, St Leonards, NSW, Australia
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Torchilin VP, Omelyanenko VG, Lukyanov AN. Temperature-dependent aggregation of pH-sensitive phosphatidyl ethanolamine-oleic acid-cholesterol liposomes as measured by fluorescent spectroscopy. Anal Biochem 1992; 207:109-13. [PMID: 1489082 DOI: 10.1016/0003-2697(92)90510-e] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
pH-sensitive liposomes made of phosphatidyl ethanolamine-oleic acid-cholesterol (4:2:4 molar ratio) at neutral pH values aggregate at approximately 40 degrees C. The aggregation is accompanied by liposome destabilization and by the release of intraliposomal fluorescent marker (calcein). Both aggregation and calcein leakage start at the temperature corresponding to the lipid phase transition into hexagonal phase. In the system studied the phase transition temperature interval is within 45 to 55 degrees C as estimated with the use of the fluorescent probe 1,6-diphenylhexatriene. The presence of cell cultivation medium RPMI 1640 decreases liposome aggregation temperature. The addition of 10% serum to the system decreases the temperature at which the aggregation proceeds still further. The conclusion that serum-free media should be used for cell experiments involving pH-sensitive liposomes is made.
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Affiliation(s)
- V P Torchilin
- Center for Imaging and Pharmaceutical Research, Massachusetts General Hospital-East, Charlestown 02129
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Litzinger DC, Huang L. Phosphatidylethanolamine liposomes: drug delivery, gene transfer and immunodiagnostic applications. BIOCHIMICA ET BIOPHYSICA ACTA 1992; 1113:201-27. [PMID: 1510997 DOI: 10.1016/0304-4157(92)90039-d] [Citation(s) in RCA: 272] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- D C Litzinger
- Department of Biochemistry, University of Tennessee, Knoxville
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Torchilin VP, Lukyanov AN, Klibanov AL, Omelyanenko VG. Interaction between oleic acid-containing pH-sensitive and plain liposomes. Fluorescent spectroscopy studies. FEBS Lett 1992; 305:185-8. [PMID: 1299612 DOI: 10.1016/0014-5793(92)80663-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The energy transfer method has been applied to study the interaction between pH-sensitive liposomes (phosphatidyl ethanolamine/oleic acid/cholesterol, 4:2:4 molar ratio) and plain liposomes (phosphatidyl choline/phosphatidyl ethanolamine/cholesterol, 4:2:3 molar ratio). It was shown that a slow fusion process occurs between two types of liposomes. Also, the transfer of oleic acid from pH-sensitive liposomes to plain liposomes takes place. This transfer results in the increased permeability of both pH-sensitive and plain liposomes, facilitating the release of liposome-entrapped fluorescent dye. The data obtained were used for a possible explanation of the mechanism of intracytoplasmic drug delivery by pH-sensitive oleic acid-containing liposomes.
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Affiliation(s)
- V P Torchilin
- Center for Imaging and Pharmaceutical Research, Massachusetts General Hospital-East, Charlestown 02129
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Boni LT, Perkins WR, Minchey SR, Bolcsak LE, Gruner SM, Cullis PR, Hope MJ, Janoff AS. Polymorphic phase behavior of alpha-tocopherol hemisuccinate. Chem Phys Lipids 1990. [DOI: 10.1016/0009-3084(90)90012-g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Liu D, Huang L. pH-sensitive, plasma-stable liposomes with relatively prolonged residence in circulation. BIOCHIMICA ET BIOPHYSICA ACTA 1990; 1022:348-54. [PMID: 2317486 DOI: 10.1016/0005-2736(90)90284-u] [Citation(s) in RCA: 85] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Acid-sensitive liposomes composed of unsaturated phosphatidylethanolamine (PE) are efficient vehicles for cytoplasmic delivery of the target cells. We have recently shown that liposomes composed of dioleoyl-PE (DOPE) and dipalmitoyl-succinylglycerol (DPSG) retain the acid-sensitivity after exposure to human plasma. In the present work, we have extended these observations to investigate the role of ganglioside GM1 on the blood residence time of these liposomes. Small (d approximately 100 nm) unilamellar liposomes composed of DOPE and DPSG (4:1, molar ratio) became progressively less acid-sensitive when increasing amounts of GM1 were included in the lipid composition. However, partial sensitivity to acid (40-50% release of entrapped contents at pH 4) could be retained up to 5% GM1, even for liposomes which had been exposed to human plasma. Inclusion of GM1 in the lipid composition only slightly increased the release of entrapped contents in the presence of human plasma. The biodistribution of i.v. injected GM1-containing liposomes was studied by following the entrapped 125I-labeled tyraminylinulin marker in Balb/c mice. Inclusion of up to 5% GM1 showed a transient increase in the blood level and a concomitant decrease of liver and spleen uptake of liposomes. Thus, these liposomes are pH-sensitive, plasma-stable and show a relatively prolonged residence time in circulation. They are potentially significant drug carriers in vivo.
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Affiliation(s)
- D Liu
- Department of Biochemistry, University of Tennessee, Knoxville 37996-0840
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Liu DX, Huang L. Small, but not large, unilamellar liposomes composed of dioleoylphosphatidylethanolamine and oleic acid can be stabilized by human plasma. Biochemistry 1989; 28:7700-7. [PMID: 2611208 DOI: 10.1021/bi00445a027] [Citation(s) in RCA: 56] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Small unilamellar liposomes, composed of dioleoylphosphatidylethanolamine (DOPE) and oleic acid (OA), prepared by sonication, were incubated in the presence of human plasma at 37 degrees C. The release of entrapped calcein after 8-h incubation was about 15% in plasma, compared with about 70% in phosphate-buffered saline under the same conditions. In contrast, dioleoylphosphatidylcholine (DOPC)/OA liposomes under the same conditions release about 70% in plasma and only 10% in PBS. Total release of calcein from the DOPE/OA liposomes was observed in a PBS solution containing bovine serum albumin, and the release was completely blocked by preincubation of the liposomes with plasma. These results indicate that the unstable DOPE/OA liposomes are stabilized by incubation with plasma. The stabilization process was very fast, being completed within 1 min. Only relatively small liposomes (d less than or equal to 200 nm) were completely stabilized by plasma; larger liposomes were progressively less stabilizable. SDS-polyacrylamide gel electrophoresis of liposomes which had been incubated with plasma and then washed indicated that several proteins were tightly associated with liposomes. Using liposomes containing [14C]OA, it was found that about 70% of the original OA was extracted after 1-h incubation with human plasma at 37 degrees C. Thin-layer chromatographic analysis of the plasma-treated liposomes showed the presence of the plasma lipids in the liposomes. These results suggest that liposomes composed of DOPE/OA are stabilized by protein and/or lipid components from human plasma and that the composition of the liposomes is altered. The mechanism of stabilization is discussed in terms of the surface pressure of small vesicles with a high degree of curvature.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- D X Liu
- Department of Biochemistry, University of Tennessee, Knoxville 37996-0840
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Liu D, Huang L. Role of cholesterol in the stability of pH-sensitive, large unilamellar liposomes prepared by the detergent-dialysis method. BIOCHIMICA ET BIOPHYSICA ACTA 1989; 981:254-60. [PMID: 2730903 DOI: 10.1016/0005-2736(89)90035-7] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Large unilamellar liposomes prepared by an octyl glucoside-dialysis method were examined for stability at 37 degrees C in the presence or absence of human plasma, using the release of the entrapped calcein as a fluorescence marker. The liposomes were acid-sensitive as they were composed of dioleoylphosphatidylethanolamine, oleic acid and cholesterol. The stability of the liposomes in the absence of plasma was significantly enhanced with increasing cholesterol content. However, the maximal calcein release at pH 5 decreased linearly with increasing cholesterol content of the liposome, indicating that cholesterol had reduced the acid-sensitivity of the liposomes. In the presence of human plasma, calcein release exhibited a biphasic behavior with a fast (plasma-sensitive) and a slow (plasma-resistant) component. Inclusion of cholesterol in the liposomes resulted in an increased proportion of the plasma-resistant component. Liposomes pretreated with human plasma, after removal of excess plasma and the released calcein by gel-filtration, showed a remarkable stability both in the presence and absence of human plasma. The acid-sensitivity of the plasma-treated liposomes with 40% cholesterol was the same as that of the untreated liposomes. These results are discussed in terms of the mechanism by which these liposomes deliver their contents to the cytoplasm of the cells via the endocytic pathway, a known biological activity of the type of liposome described here.
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Affiliation(s)
- D Liu
- Department of Biochemistry, University of Tennessee, Knoxville
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Wang CY, Huang L. pH-sensitive immunoliposomes mediate target-cell-specific delivery and controlled expression of a foreign gene in mouse. Proc Natl Acad Sci U S A 1987; 84:7851-5. [PMID: 2446313 PMCID: PMC299420 DOI: 10.1073/pnas.84.22.7851] [Citation(s) in RCA: 170] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
A plasmid containing the Escherichia coli chloramphenicol acetyltransferase (CAT) gene under the control of a mammalian cAMP-regulated promoter was entrapped in H-2Kk antibody-coated liposomes composed of dioleoyl phosphatidylethanolamine, cholesterol, and oleic acid (pH-sensitive immunoliposomes). The entrapped or free DNA was injected intraperitoneally into immunodeficient (nude) BALB/c mice bearing ascites tumor generated by H-2Kk-positive RDM-4 lymphoma cells. About 20% of the injected immunoliposomes were taken up by the target RDM-4 cells. Uptake was much less when liposomes without antibody were used. The presence of the targeting antibody on liposomes also significantly decreased the nonspecific uptake of liposomes by the spleen. Significant CAT enzyme activity was detected in RDM-4 cells from mice treated with DNA entrapped in the pH-sensitive immunoliposomes. Furthermore, CAT expression in RDM-4 cells was under the control of cAMP, as only the cells from mice injected with 8-bromo-cAMP and 3-isobutyl-1-methylxanthine showed CAT activity. CAT activity in liver and spleen was much lower (by factors of 12 and 5, respectively) than in the RDM-4 cells, and the activities in these reticuloendothelial organs were not regulated by cAMP. CAT activity in RDM-4 cells from mice injected with DNA entrapped in pH-insensitive immunoliposomes (containing phosphatidylcholine in place of phosphatidylethanolamine) was approximately one-fourth that in RDM-4 cells from mice injected with pH-sensitive immunoliposomes, indicating the superior delivery efficiency of the pH-sensitive liposomes. These results are discussed in terms of the DNA-carrier potential of immunoliposomes in therapy of cancer and genetic diseases.
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Affiliation(s)
- C Y Wang
- Department of Biochemistry, University of Tennessee, Knoxville 37996-0840
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Ho RJ, Rouse BT, Huang L. Target-sensitive immunoliposomes as an efficient drug carrier for antiviral activity. J Biol Chem 1987. [DOI: 10.1016/s0021-9258(18)47890-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Wang CY, Huang L. Plasmid DNA adsorbed to pH-sensitive liposomes efficiently transforms the target cells. Biochem Biophys Res Commun 1987; 147:980-5. [PMID: 3663224 DOI: 10.1016/s0006-291x(87)80166-3] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We have previously reported that plasmid DNA entrapped in the pH-sensitive immunoliposomes effectively transforms the target cells (Proc. Natl. Acad. Sci. USA, in press). In the present study, we demonstrate that DNA adsorbed on the same liposome also transforms the target cells. The transformation activity is antibody dependent, as liposomes containing no targeting antibody had reduced activity. The activity could be significantly inhibited by excess non-specific DNA (salmon sperm). Since some DNA are likely adsorbed to the liposomes during the entrapment process, the activity of the entrapped DNA is partially accounted for by the adsorbed DNA. The possibility of developing a simple DNA-mediated transfection protocol using liposome adsorbed DNA is discussed.
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Affiliation(s)
- C Y Wang
- Department of Biochemistry, University of Tennessee Knoxville 37996-0840
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