Entrapment of plasmid DNA vaccines into liposomes by dehydration/rehydration

Gregory Gregoriadis, Brenda McCormack, M Obrenovich, Yvonne Perrie

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Abstract

Intramuscular injection of naked plasmid DNA is known (1-3) to elicit humoral and cell-mediated immune responses against the encoded antigen. It is thought (2,3) that immunity follows DNA uptake by muscle cells, leading to the expression and extracellular release of the antigen which is then taken up by antigen presenting cells (APC). In addition, it is feasible that some of the injected DNA is taken up directly by APC. Disadvantages (1-3) of naked DNA vaccination include: uptake of DNA by only a minor fraction of muscle cells, exposure of DNA to deoxyribonuclease in the interstitial fluid thus necessitating the use of relatively large quantities of DNA, and, in some cases, injection into regenerating muscle in order to enhance immunity. We have recently proposed (1,4) that DNA immunization via liposomes (phospholipid vesicles) could circumvent the need of muscle involvement and instead facilitate (5) uptake of DNA by APC infiltrating the site of injection or in the lymphatics, at the same time protecting DNA from nuclease attack (6). Moreover, transfection of APC with liposomal DNA could be promoted by the judicial choice of vesicle surface charge, size and lipid composition, or by the co-entrapment, together with DNA, of plasmids expressing appropriate cytokines (e.g., interleukin 2), or immunostimulatory sequences.
Original languageEnglish
Title of host publicationDNA vaccines
Subtitle of host publicationmethods and protocols
EditorsDouglas B. Lowrie, Robert G. Whalen
Place of PublicationTowona, NJ (US)
PublisherHumana Press
Pages305-311
Number of pages7
Volume29
DOIs
Publication statusPublished - 2000

Publication series

NameMethods in molecular medicine
PublisherSpringer

Fingerprint

DNA Vaccines
Fluid Therapy
Dehydration
Liposomes
Plasmids
DNA
Antigen-Presenting Cells
Deoxyribonucleases
Muscle Cells
Immunity
Antigens
Muscles
Injections
Intramuscular Injections
Extracellular Fluid
Interleukin-2
Transfection
Immunization
Phospholipids
Vaccination

Cite this

Gregoriadis, G., McCormack, B., Obrenovich, M., & Perrie, Y. (2000). Entrapment of plasmid DNA vaccines into liposomes by dehydration/rehydration. In D. B. Lowrie, & R. G. Whalen (Eds.), DNA vaccines: methods and protocols (Vol. 29, pp. 305-311). (Methods in molecular medicine). Towona, NJ (US): Humana Press. https://doi.org/10.1385/1-59259-688-6:305
Gregoriadis, Gregory ; McCormack, Brenda ; Obrenovich, M ; Perrie, Yvonne. / Entrapment of plasmid DNA vaccines into liposomes by dehydration/rehydration. DNA vaccines: methods and protocols. editor / Douglas B. Lowrie ; Robert G. Whalen. Vol. 29 Towona, NJ (US) : Humana Press, 2000. pp. 305-311 (Methods in molecular medicine).
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Gregoriadis, G, McCormack, B, Obrenovich, M & Perrie, Y 2000, Entrapment of plasmid DNA vaccines into liposomes by dehydration/rehydration. in DB Lowrie & RG Whalen (eds), DNA vaccines: methods and protocols. vol. 29, Methods in molecular medicine, Humana Press, Towona, NJ (US), pp. 305-311. https://doi.org/10.1385/1-59259-688-6:305

Entrapment of plasmid DNA vaccines into liposomes by dehydration/rehydration. / Gregoriadis, Gregory; McCormack, Brenda; Obrenovich, M; Perrie, Yvonne.

DNA vaccines: methods and protocols. ed. / Douglas B. Lowrie; Robert G. Whalen. Vol. 29 Towona, NJ (US) : Humana Press, 2000. p. 305-311 (Methods in molecular medicine).

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

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Gregoriadis G, McCormack B, Obrenovich M, Perrie Y. Entrapment of plasmid DNA vaccines into liposomes by dehydration/rehydration. In Lowrie DB, Whalen RG, editors, DNA vaccines: methods and protocols. Vol. 29. Towona, NJ (US): Humana Press. 2000. p. 305-311. (Methods in molecular medicine). https://doi.org/10.1385/1-59259-688-6:305