4.6 Article

Amphiphilic cationic cyclodextrin nanovesicles: a versatile cue for guiding cell adhesion

期刊

NANOSCALE ADVANCES
卷 2, 期 12, 页码 5897-5904

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0na00623h

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资金

  1. EU project ESF EUROCORES [10-EuroBioSAS-FP-009]
  2. EU project Intelligent Cell Surfaces (ICS)
  3. Horizon 2020 Framework Programme [FETOPEN-801367 evFOUNDRY]
  4. Italian flagship NANOMAX project N-CHEM
  5. PON
  6. [PON03PE_00216_1]

向作者/读者索取更多资源

It is well known that amphiphilic cationic beta-cyclodextrins (am beta CDs) form nanovesicles able to release their cargo in aqueous solution upon applying different stimuli. In addition they can be selectively positioned onto substrates by unconventional soft lithography. This makes them a powerful tool for designing environments where different cues can be externally supplied to the cells helping to achieve good control of their fate. Lithographically controlled wetting (LCW) of am beta CD nanovesicles loaded with fluorescein isothiocyanate (FITC), am beta CD/FITC, has been used here to fabricate geometrically functionalized surfaces, thus achieving multiscale control of the cell environment. The am beta CD functionalization was strongly influenced by the surface energy of the underlying substrates that, according to their hydrophobicity, orient the am beta CD in a different way, thus offering different portions to the cells. The structure of the pattern was characterized both over large scales exploiting the FITC fluorescence and at the nanoscale by atomic force microscopy. Cell guidance and aCD/FITC cell internalization were demonstrated in human neuroblastoma SHSY5Y cells.

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