Specific Targeting of Proerythroblasts and Erythroleukemic Cells by the VP1u Region of Parvovirus B19

Leisi, Remo; von Nordheim, Marcus; Kempf, Christoph; Ros, Carlos (2015). Specific Targeting of Proerythroblasts and Erythroleukemic Cells by the VP1u Region of Parvovirus B19. Bioconjugate chemistry, 26(9), pp. 1923-1930. American Chemical Society 10.1021/acs.bioconjchem.5b00321

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Viruses are evolutionarily developed cell-entering nanomachines, which are frequently used as gene or drug delivery systems. Parvovirus B19 (B19V) shows a remarkably restricted tropism for erythropoietin-dependent erythroid differentiation stages, and thus this virus provides an opportunity to deliver cargo to these intermediate differentiated cells. Here we report the construction of a delivery system from B19V subunits that maintains the highly selective cell-entry of the native virus and offers versatile cargo transport. To obtain this specific carrier, we conjugated the cell-targeting VP1u region of B19V to NeutrAvidin as a loading platform for biotinylated cargos. The VP1u-NeutrAvidin conjugate delivered fluorophores, DNA, and toxic payloads specifically to erythroid cells around the proerythroblast differentiation stage, including erythroleukemic cells. The VP1u-NeutrAvidin represents a unique cell surface marker which exclusively detects intermediate erythroid differentiation stages. Furthermore, the cell-entering property of this viral-based targeting system offers opportunities for erythroid-specific drug delivery or gene therapy.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP)

UniBE Contributor:

Leisi, Gian Remo, von Nordheim, Marcus, Kempf, Christoph (B), Ros Bascunana, Carlos

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 540 Chemistry

ISSN:

1043-1802

Publisher:

American Chemical Society

Language:

English

Submitter:

Christoph Kempf

Date Deposited:

19 Jan 2017 16:24

Last Modified:

29 Mar 2023 23:35

Publisher DOI:

10.1021/acs.bioconjchem.5b00321

PubMed ID:

26240997

BORIS DOI:

10.7892/boris.91743

URI:

https://boris.unibe.ch/id/eprint/91743

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