Endolysosomal mesoporous silica nanoparticle trafficking along microtubular highways

Achraf Noureddine, Michael L. Paffett, Stefan Franco, Alfonso E. Chan, Sandeep Pallikkuth, Keith Lidke, Rita E. Serda

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

This study examines intra-and intercellular trafficking of mesoporous silica nanoparticles along microtubular highways, with an emphasis on intercellular bridges connecting interphase and telophase cells. The study of nanoparticle trafficking within and between cells during all phases of the cell cycle is relevant to payload destination and dilution, and impacts delivery of therapeutic or diagnostic agents. Super-resolution stochastic optical reconstruction and sub-airy unit image acquisition, the latter combined with Huygens deconvolution microscopy, enable single nanoparticle and microtubule resolution. Combined structural and functional data provide enhanced details on biological processes, with an example of mitotic inheritance during cancer cell trivision.

Original languageEnglish (US)
Article number56
JournalPharmaceutics
Volume14
Issue number1
DOIs
StatePublished - Jan 2022

Keywords

  • Cytokinesis
  • Flemming body
  • Hyperploid cell
  • Mesoporous silica nanoparticle
  • Microtubules
  • Midbody
  • Mitosis
  • Mitotic nanotube
  • Scanning electron microscopy
  • Super-resolution microscopy
  • Tunneling nanotube

ASJC Scopus subject areas

  • Pharmaceutical Science

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