MD-2: the Toll 'gatekeeper'in endotoxin signalling

M Gangloff, NJ Gay - Trends in biochemical sciences, 2004 - cell.com
Lipopolysaccharide (LPS) from the outer cell wall of Gram-negative bacteria is a potent
stimulator of the mammalian innate immune system. The Toll-like receptor 4 (TLR4) pathway …

Lysines 128 and 132 enable lipopolysaccharide binding to MD-2, leading to Toll-like receptor-4 aggregation and signal transduction

A Visintin, E Latz, BG Monks, T Espevik… - Journal of Biological …, 2003 - ASBMB
Three cell-surface proteins have been recognized as components of the mammalian
signaling receptor for bacterial lipopolysaccharide (LPS): CD14, Toll-like receptor-4 (TLR4) …

The molecular basis of the host response to lipopolysaccharide

CE Bryant, DR Spring, M Gangloff… - Nature Reviews …, 2010 - nature.com
Lipopolysaccharide (LPS), which is produced by Gram-negative bacteria, is a powerful
activator of innate immune responses. LPS binds to the proteins Toll-like receptor 4 (TLR4) …

Ligand-dependent Toll-like receptor 4 (TLR4)-oligomerization is directly linked with TLR4-signaling

S Saitoh, S Akashi, T Yamada… - Journal of …, 2004 - journals.sagepub.com
Toll-like receptor 4 (TLR4) and MD-2 recognize lipid A, the active moiety of microbial
lipopolysaccharide (LPS). Little is known about mechanisms for LPS recognition by …

Mechanism regulating cell surface expression and activation of Toll‐like receptor 4

SI Saitoh, K Miyake - The Chemical Record, 2006 - Wiley Online Library
The Toll family of receptors senses microbial invasion and activates defense responses. Toll‐
like receptor 4 (TLR4) is a member of the Toll family that senses lipopolysaccharide (LPS), a …

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 …

Essential roles of hydrophobic residues in both MD-2 and toll-like receptor 4 in activation by endotoxin

N Resman, J Vasl, A Oblak, P Pristovsek… - Journal of Biological …, 2009 - ASBMB
Gram-negative bacterial endotoxin (ie lipopolysaccharide (LPS)) is one of the most potent
stimulants of the innate immune system, recognized by the TLR4· MD-2 complex. Direct …

Lipopolysaccharide interaction with cell surface Toll-like receptor 4-MD-2: higher affinity than that with MD-2 or CD14

S Akashi, S Saitoh, Y Wakabayashi, T Kikuchi… - The Journal of …, 2003 - rupress.org
Toll-like receptors (TLRs) are innate recognition molecules for microbial products, but their
direct interactions with corresponding ligands remain unclarified. LPS, a membrane …

MD-2 enables Toll-like receptor 2 (TLR2)-mediated responses to lipopolysaccharide and enhances TLR2-mediated responses to Gram-positive and Gram-negative …

R Dziarski, Q Wang, K Miyake… - The Journal of …, 2001 - journals.aai.org
MD-2 is associated with Toll-like receptor 4 (TLR4) on the cell surface and enables TLR4 to
respond to LPS. We tested whether MD-2 enhances or enables the responses of both TLR2 …

Genome-wide expression profiling and mutagenesis studies reveal that lipopolysaccharide responsiveness appears to be absolutely dependent on TLR4 and MD-2 …

J Meng, M Gong, H Björkbacka… - The Journal of …, 2011 - journals.aai.org
Abstract Lipid A (a hexaacylated 1, 4′ bisphosphate) is a potent immune stimulant for
TLR4/MD-2. Upon lipid A ligation, the TLR4/MD-2 complex dimerizes and initiates signal …