Heterogeneity of lipopolysaccharide as source of variability in bioassays and LPS-binding proteins as remedy

AC Fux, C Casonato Melo, S Michelini… - International Journal of …, 2023 - mdpi.com
Lipopolysaccharide (LPS), also referred to as endotoxin, is the major component of Gram-
negative bacteria's outer cell wall. It is one of the main types of pathogen-associated …

The role of carbohydrates in the lipopolysaccharide (LPS)/toll-like receptor 4 (TLR4) signalling

F Cochet, F Peri - International journal of molecular sciences, 2017 - mdpi.com
The interactions between sugar-containing molecules from the bacteria cell wall and pattern
recognition receptors (PRR) on the plasma membrane or cytosol of specialized host cells …

Fluorescence correlation spectroscopy: novel variations of an established technique

E Haustein, P Schwille - Annu. Rev. Biophys. Biomol. Struct., 2007 - annualreviews.org
Fluorescence correlation spectroscopy (FCS) is one of the major biophysical techniques
used for unraveling molecular interactions in vitro and in vivo. It allows minimally invasive …

Liquid-liquid phase separation and extracellular multivalent interactions in the tale of galectin-3

YP Chiu, YC Sun, DC Qiu, YH Lin, YQ Chen… - Nature …, 2020 - nature.com
Liquid-liquid phase separation (LLPS) explains many intracellular activities, but its role in
extracellular functions has not been studied to the same extent. Here we report how LLPS …

Lipopolysaccharide from gut microbiota modulates α-synuclein aggregation and alters its biological function

D Bhattacharyya, GM Mohite… - ACS chemical …, 2019 - ACS Publications
Altered intestinal permeability has been correlated with Parkinson's pathophysiology in the
enteric nervous system, before manifestations in the central nervous system (CNS). The …

Structure and interactions of a host defense antimicrobial peptide thanatin in lipopolysaccharide micelles reveal mechanism of bacterial cell agglutination

S Sinha, L Zheng, Y Mu, WJ Ng, S Bhattacharjya - Scientific reports, 2017 - nature.com
Abstract Host defense cationic Antimicrobial Peptides (AMPs) can kill microorganisms
including bacteria, viruses and fungi using various modes of action. The negatively charged …

Effects of chitosan-nanoparticle-mediated tight junction opening on the oral absorption of endotoxins

K Sonaje, KJ Lin, MT Tseng, SP Wey, FY Su… - Biomaterials, 2011 - Elsevier
Recently, we reported a pH-responsive nanoparticle (NP) system shelled with chitosan (CS),
which could effectively increase the oral absorption of insulin and produce a hypoglycemic …

NMR Structure of Pardaxin, a Pore-forming Antimicrobial Peptide, in Lipopolysaccharide Micelles: Mechanism of outer membrane permeabilization 2

A Bhunia, PN Domadia, J Torres, KJ Hallock… - Journal of biological …, 2010 - jbc.org
Lipopolysaccharide (LPS), the major constituent of the outer membrane of Gram-negative
bacteria, is an important element against permeability of bactericidal agents, including …

Virus‐sized DNA nanoparticles for gene delivery based on micelles of cationic calixarenes

RV Rodik, AS Klymchenko, N Jain… - … A European Journal, 2011 - Wiley Online Library
Macrocyclic amphiphilic molecules based on calix [4] arenes are highly attractive for
controlled supramolecular assembly of DNA into small nanoparticles, since they present a …

Multivalent gold nanoparticle–peptide conjugates for targeting intracellular bacterial infections

R Chowdhury, H Ilyas, A Ghosh, H Ali, A Ghorai… - Nanoscale, 2017 - pubs.rsc.org
Although nanoparticle-tagged antimicrobal peptides have gained considerable importance
in recent years, their structure–function correlation has not yet been explored. Here, we have …