Native gastrointestinal mucus: critical features and techniques for studying interactions with drugs, drug carriers, and bacteria

CM Wang, MT Fernez, BM Woolston… - Advanced drug delivery …, 2023 - Elsevier
Gastrointestinal mucus plays essential roles in modulating interactions between intestinal
lumen contents, including orally delivered drug carriers and the gut microbiome, and …

Recent advances in mucus-penetrating nanomedicines for oral treatment of colonic diseases

C Xu, H Xu, Z Zhu, X Shi, B Xiao - Expert Opinion on Drug Delivery, 2023 - Taylor & Francis
Introduction Oral administration is the most common route for treating colonic diseases that
present increased incidences in recent years. Colonic mucus is a critical rate-limiting barrier …

Creation of a spatially complex mucus bilayer on an in vitro colon model

C Villegas-Novoa, Y Wang, CE Sims, NL Allbritton - Scientific Reports, 2024 - nature.com
The colonic epithelium is comprised of three-dimensional crypts (3D) lined with mucus
secreted by a heterogeneous population of goblet cells. In this study, we report the formation …

[HTML][HTML] Fecal-adherent mucus is a non-invasive source of primary human MUC2 for structural and functional characterization in health and disease

N Fancy, D Kniffen, M Melvin, N Kazemian… - Journal of Biological …, 2024 - ASBMB
Abstract The O-glycoprotein Mucin-2 (MUC2) forms the protective colon mucus layer. While
animal models have demonstrated the importance of Muc2, few studies have explored …

Synthetic colonic mucus enables the development of modular microbiome organoids

MA Miller, S Medina - Advanced Functional Materials, 2024 - Wiley Online Library
The human colon is home to trillions of microorganisms that modulate gastrointestinal
physiology. The understanding of how this gut ecosystem impacts human health, although …

Generating an In Vitro Gut Model with Physiologically Relevant Biophysical Mucus Properties

J McCright, A Sinha, K Maisel - Cellular and molecular bioengineering, 2022 - Springer
Introduction Gastrointestinal (GI) in vitro models have received lasting attention as an
effective tool to model drug and nutrient absorption, study GI diseases, and design new drug …

Mucus-coated, magnetically-propelled fecal surrogate to mimic fecal shear forces on colonic epithelium

AS Wang, C Villegas-Novoa, Y Wang, CE Sims… - Biomaterials, 2024 - Elsevier
The relationship between the mechanical forces associated with bowel movement and
colonic mucosal physiology is understudied. This is partly due to the limited availability of …

Mucus polymer concentration and in vivo adaptation converge to define the antibiotic response of Pseudomonas aeruginosa during chronic lung infection

MA Greenwald, SL Meinig, LM Plott, C Roca, MG Higgs… - Mbio, 2024 - Am Soc Microbiol
The airway milieu of individuals with muco-obstructive airway diseases (MADs) is defined by
the accumulation of dehydrated mucus due to hyperabsorption of airway surface liquid and …

[HTML][HTML] Ileal mucus viscoelastic properties differ in Crohn's disease

C Kramer, H Rulff, JF Ziegler, PW Mönch, N Alzain… - Mucosal …, 2024 - Elsevier
HIGHLIGHTS•The viscoelastic behavior of human mucus from terminal ileum can be
measured by rheology; airway mucus was used for technical validation.•The viscoelastic …

Journey of dietary fiber along the gastrointestinal tract: role of physical interactions, mucus, and biochemical transformations

OW Meldrum, GE Yakubov - Critical Reviews in Food Science and …, 2024 - Taylor & Francis
Dietary fiber-rich foods have been associated with numerous health benefits, including a
reduced risk of cardiovascular and metabolic diseases. Harnessing the potential to deliver …