Membrane interaction between Span 80 vesicle and phospholipid vesicle (liposome): Span 80 vesicle can perturb and hemifuse with liposomal membrane

Keita Hayashi, Tsuyoshi Tatsui, Toshinori Shimanouchi, Hiroshi Umakoshi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We have focused on the interaction between the Span 80 vesicle and phospholipid vesicle (liposome). The Span 80 vesicle was mixed with a phospholipid vesicle (liposome), used as a simplified model of plasma membrane. From calcein leakage experiments, it was revealed that the interaction between the Span 80 vesicles and the liposomes could perturb the liposome membrane. In the experiments based on fluorescence resonance energy transfer, the lipid mixing between Span 80 vesicle and liposome was observed. The above phenomena were also supported by the fluorescence spectroscopic analysis using laurdan, resulting in the variation in the membrane properties of liposome after its mixing with Span 80 vesicle. These results suggest that the Span 80 vesicles can easily interact and hemifuse with the liposome membrane, which depend on the membrane properties of the Span 80 vesicle, " flexible" and " molecular structure" of the components.

Original languageEnglish
Pages (from-to)258-264
Number of pages7
JournalColloids and Surfaces B: Biointerfaces
Volume106
DOIs
Publication statusPublished - Jun 1 2013
Externally publishedYes

Fingerprint

Liposomes
Phospholipids
membranes
Membranes
interactions
Fluorescence Resonance Energy Transfer
Spectroscopic analysis
spectroscopic analysis
resonance fluorescence
Cell membranes
sorbitan monooleate
Molecular Structure
Lipids
Molecular structure
lipids
leakage
molecular structure
Fluorescence
Experiments
energy transfer

Keywords

  • Hemifusion
  • Liposome
  • Membrane interaction
  • Span 80 vesicle

ASJC Scopus subject areas

  • Biotechnology
  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry
  • Surfaces and Interfaces

Cite this

Membrane interaction between Span 80 vesicle and phospholipid vesicle (liposome) : Span 80 vesicle can perturb and hemifuse with liposomal membrane. / Hayashi, Keita; Tatsui, Tsuyoshi; Shimanouchi, Toshinori; Umakoshi, Hiroshi.

In: Colloids and Surfaces B: Biointerfaces, Vol. 106, 01.06.2013, p. 258-264.

Research output: Contribution to journalArticle

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