

FOLLOWUS
a.Center for Soft Condensed Matter Physics and Interdisciplinary Research & School of Physical Science and Technology, Soochow University, Suzhou 215006, China
b.State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China
c.School of Optical and Electronic Information, Suzhou City University, Suzhou 215104, China
d.School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou 215006, China
e.Songshan Lake Materials Laboratory, Dongguan 523808, China
dongxuewei@suda.edu.cn (X.W.D.)
yangkai@suda.edu.cn (K.Y.)
Received:18 July 2024,
Revised:2024-08-15,
Accepted:19 August 2024,
Online First:07 November 2024,
Published:01 January 2025
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Ma, C. Y.; Dong, X. W.; Lu, X. M.; Yuan B.; Yang, K. Nanoparticle induces membrane fusion in a state-wise and property-sensitive mode. Chinese J. Polym. Sci. 2025, 43, 235–244
Chi-Yun Ma, Xue-Wei Dong, Xue-Mei Lu, et al. Nanoparticle Induces Membrane Fusion in a State-wise and Property-sensitive Mode[J]. Chinese Journal of Polymer Science, 2025, 43(1): 235-244.
Ma, C. Y.; Dong, X. W.; Lu, X. M.; Yuan B.; Yang, K. Nanoparticle induces membrane fusion in a state-wise and property-sensitive mode. Chinese J. Polym. Sci. 2025, 43, 235–244 DOI: 10.1007/s10118-024-3222-5.
Chi-Yun Ma, Xue-Wei Dong, Xue-Mei Lu, et al. Nanoparticle Induces Membrane Fusion in a State-wise and Property-sensitive Mode[J]. Chinese Journal of Polymer Science, 2025, 43(1): 235-244. DOI: 10.1007/s10118-024-3222-5.
NP-induced membrane fusion behaviors are systematically investigated by performing extensive CG-MD simulations. The vesicle-bilayer fusion induced by a hydrophobic NP is an intricately state-wise process. Moreover
NP properties (size
hydrophobicity and hydrophilicity) have distinct effects on membrane fusion and thus the optimal NP conditions for facilitating membrane fusion are obtained.
Membrane fusion is essential for many cellular physiological functions
which is modulated by highly precise molecular mechanism involving multiple energy barriers. Nanoparticles (NPs)
which exhibit immense potential in the field of biomedical applications
can act as fusogen proteins to initiate and regulate membrane fusion. However
the underlying mechanisms of NP-induced membrane fusion and the molecular details involved remain largely elusive. Here
using coarse-grained molecular dynamics simulations
we systematically investigate the NP-induced membrane fusion behaviors and the influences of NP properties (size
hydrophobicity and hydrophilicity). Our results show that the vesicle-bilayer fusion induced by a hydrophobic NP is an intricately state-wise process
involving the approach and local deformation of the vesicle and bilayer bridging by the NP
the flip-flop of lipids from proximal leaflets and the formation of a fusion stalk
as well as further lipid interactions between distal leaflets and complete fusion. Moreover
we find that NP properties have distinct effects on membrane fusion and thus the optimal NP conditions for facilitating membrane fusion are obtained. Our work provides a mechanistic understanding of NP-induced membrane fusion and offers useful insights for efficient and controlled regulation of membrane fusion.
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