PUBLICATION

Geometry of a DNA Nanostructure Influences Its Endocytosis: Cellular Study on 2D, 3D, and in Vivo Systems

Authors
Rajwar, A., Shetty, S.R., Vaswani, P., Morya, V., Barai, A., Sen, S., Sonawane, M., Bhatia, D.
ID
ZDB-PUB-220622-31
Date
2022
Source
ACS nano   16(7): 10496-10508 (Journal)
Registered Authors
Sonawane, Mahendra
Keywords
3D spheroid, DNA nanostructure, endocytosis, geometry, in vivo, tetrahedron
MeSH Terms
  • Animals
  • Cell Membrane
  • DNA/chemistry
  • Endocytosis
  • Nanostructures*/chemistry
  • Zebrafish*
PubMed
35715010 Full text @ ACS Nano
Abstract
Fabrication of nanoscale DNA devices to generate 3D nano-objects with precise control of shape, size, and presentation of ligands has shown tremendous potential for therapeutic applications. The interactions between the cell membrane and different topologies of 3D DNA nanostructures are crucial for designing efficient tools for interfacing DNA devices with biological systems. The practical applications of these DNA nanocages are still limited in cellular and biological systems owing to the limited understanding of their interaction with the cell membrane and endocytic pathway. The correlation between the geometry of DNA nanostructures and their internalization efficiency remains elusive. We investigated the influence of the shape and size of 3D DNA nanostructures on their cellular internalization efficiency. We found that one particular geometry, i.e., the tetrahedral shape, is more favored over other designed geometries for their cellular uptake in 2D and 3D cell models. This is also replicable for cellular processes like cell invasion assays in a 3D spheroid model, and passing the epithelial barriers in in vivo zebrafish model systems. Our work provides detailed information for the rational design of DNA nanodevices for their upcoming biological and biomedical applications.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping