Biomimetic viruslike and charge reversible nanoparticles to sequentially overcome mucus and epithelial barriers for oral insulin delivery

J Wu, Y Zheng, M Liu, W Shan, Z Zhang… - ACS applied materials …, 2018 - ACS Publications
Nanoparticles (NPs) for oral delivery of peptide/protein drugs are largely limited due to the
coexistence of intestinal mucus and epithelial barriers. Sequentially overcoming these two …

Overcoming the diffusion barrier of mucus and absorption barrier of epithelium by self-assembled nanoparticles for oral delivery of insulin

W Shan, X Zhu, M Liu, L Li, J Zhong, W Sun, Z Zhang… - ACS …, 2015 - ACS Publications
Nanoparticles (NPs) have demonstrated great potential for the oral delivery of protein drugs
that have very limited oral bioavailability. Orally administered NPs could be absorbed by the …

Dual stimuli-responsive nanoparticle-incorporated hydrogels as an oral insulin carrier for intestine-targeted delivery and enhanced paracellular permeation

L Liu, Y Zhang, S Yu, Z Yang, C He… - … Biomaterials Science & …, 2018 - ACS Publications
For enhanced oral insulin delivery, a strategy of acid-resistant and enteric hydrogels
encapsulating insulin-loaded nanoparticles was developed. The nanoparticles were …

Sub‐50 nm nanoparticles with biomimetic surfaces to sequentially overcome the mucosal diffusion barrier and the epithelial absorption barrier

X Zhu, J Wu, W Shan, Z Zhou, M Liu… - Advanced Functional …, 2016 - Wiley Online Library
Although nanoparticles (NPs) have been used for many drug delivery applications, oral
absorption of NPs has remained a big challenge. NPs for oral delivery of biotherapeutics …

Nanoparticles exhibiting virus-mimic surface topology for enhanced oral delivery

Z Sang, L Xu, R Ding, M Wang, X Yang, X Li… - Nature …, 2023 - nature.com
The oral delivery of nano-drug delivery systems (Nano-DDS) remains a challenge. Taking
inspirations from viruses, here we construct core–shell mesoporous silica nanoparticles …

Efficient mucus permeation and tight junction opening by dissociable “mucus-inert” agent coated trimethyl chitosan nanoparticles for oral insulin delivery

M Liu, J Zhang, X Zhu, W Shan, L Li, J Zhong… - Journal of controlled …, 2016 - Elsevier
Oral administration of protein drugs is greatly impeded by the lack of drug carriers that can
efficiently overcome the absorption barriers of mucosa tissue, which consists of not only …

Insulin loaded mucus permeating nanoparticles: Addressing the surface characteristics as feature to improve mucus permeation

IP de Sousa, T Moser, C Steiner, B Fichtl… - International journal of …, 2016 - Elsevier
Aim It was the aim of this study to combine two strategies–namely the virus-mimicking
strategy and the surface PEGylation strategy–in order to generate highly mucus permeating …

Hydrophilic and electroneutral nanoparticles to overcome mucus trapping and enhance oral delivery of insulin

X Tan, N Yin, Z Liu, R Sun, J Gou, T Yin… - Molecular …, 2020 - ACS Publications
The oral delivery of macromolecules using nanoparticles is limited by secreted mucus,
resulting in low contact or internalization via intestinal cells and, thus, both mucus trapping …

Enhancing insulin oral absorption by using mucoadhesive nanoparticles loaded with LMWP-linked insulin conjugates

J Sheng, H He, L Han, J Qin, S Chen, G Ru, R Li… - Journal of controlled …, 2016 - Elsevier
Although significant progress has been achieved, effective oral delivery of protein drugs
such as insulin by nanoparticle-based carrier systems still faces certain formidable …

Thiolated nanoparticles overcome the mucus barrier and epithelial barrier for oral delivery of insulin

S Zhou, H Deng, Y Zhang, P Wu, B He… - Molecular …, 2019 - ACS Publications
Oral administration is an ideal alternative for drug delivery due to its convenience and safety.
However, oral protein delivery is limited by biological barriers such as the mucus barrier and …