Probe the nanoparticle-nucleus interaction via coarse-grained molecular model
Liuyang Zhang1, Ning Liu2, Xianqiao Wang3
1State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, People's Republic of China.
Physical Chemistry Chemical Physics : PCCP
|November 1, 2023
Summary
This study models how nanoparticle (NP) physical properties affect nuclear uptake. Larger, rigid NPs require more energy to enter the nucleus, guiding future drug delivery and imaging agent design.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Computational Biology
Background:
- Nanoparticle (NP) interaction with the nucleus is vital for drug delivery and cellular imaging.
- Experimental data exists on NP size, shape, and surface modification effects, but theoretical models for nuclear pore passage are limited.
Purpose of the Study:
- To computationally model the impact of NP physical factors on nuclear uptake.
- To investigate the influence of NP size, surface modification, and rigidity on transport through the nuclear pore.
Main Methods:
- Development of a computational model to simulate NP-nucleus interactions.
- Systematic evaluation of physical parameters including size, surface modification, and rigidity.
Main Results:
- Larger NPs necessitate greater energy for nuclear entry, emphasizing size as a critical design parameter.
- NP surface modification influences nuclear uptake pathways, enabling tailored designs.
- NP rigidity significantly affects the transport process through the nuclear pore.
Conclusions:
- The efficiency of NP nuclear uptake is determined by the interplay between physicochemical properties and the nuclear pore.
- This research offers insights for designing NPs with controlled NP-nucleus interactions.
- Potential applications include developing more effective targeted drug delivery systems and imaging agents.
