Cutting edge: FimH adhesin of type 1 fimbriae is a novel TLR4 ligand

KL Mossman, MF Mian, NM Lauzon… - The Journal of …, 2008 - journals.aai.org
Several TLR ligands of bacterial origin induce innate immune responses. Although FimH,
the adhesin portion of type 1 fimbria, plays an important role in the pathogenicity of some …

[HTML][HTML] FimH adhesin of type 1 fimbriae is a potent inducer of innate antimicrobial responses which requires TLR4 and type 1 interferon signalling

AA Ashkar, KL Mossman, BK Coombes… - PLoS …, 2008 - journals.plos.org
Components of bacteria have been shown to induce innate antiviral immunity via Toll-like
receptors (TLRs). We have recently shown that FimH, the adhesin portion of type 1 fimbria …

Bacterial fimbriae stimulate proinflammatory activation in the endothelium through distinct TLRs

M Davey, X Liu, T Ukai, V Jain, C Gudino… - The Journal of …, 2008 - journals.aai.org
The major and minor fimbriae proteins produced by the human pathogen Porphyromonas
gingivalis are required for invasion of human aortic endothelial cells and for the stimulation …

[HTML][HTML] FimH can directly activate human and murine natural killer cells via TLR4

MF Mian, NM Lauzon, DW Andrews, BD Lichty… - Molecular Therapy, 2010 - cell.com
Although the importance of natural killer (NK) cells in innate immune responses against
tumors or viral infections are well documented, their ability to directly recognize pathogens is …

Type 1 fimbriae deliver an LPS‐and TLR4‐dependent activation signal to CD14‐negative cells

M Hedlund, B Frendéus, C Wachtler… - Molecular …, 2001 - Wiley Online Library
Fimbriae target bacteria to different mucosal surfaces and enhance the inflammatory
response at these sites. Inflammation may be triggered by the fimbriae themselves or by …

Escherichia coli P fimbriae utilize the Toll‐like receptor 4 pathway for cell activation

B Frendéus, C Wachtler, M Hedlund… - Molecular …, 2001 - Wiley Online Library
Fimbriae mediate bacterial attachment to host cells and provide a mechanism for tissue
attack. They activate a host response by delivery of microbial products such as …

Dependence of bacterial protein adhesins on toll-like receptors for proinflammatory cytokine induction

G Hajishengallis, M Martin, HT Sojar… - Clinical and Vaccine …, 2002 - Am Soc Microbiol
Toll-like receptors (TLRs) are important signal transducers that mediate inflammatory
reactions induced by microbes through pattern recognition of virulence molecules such as …

TLR5 and Ipaf: dual sensors of bacterial flagellin in the innate immune system

EA Miao, E Andersen-Nissen, SE Warren… - Seminars in …, 2007 - Springer
The innate immune system precisely modulates the intensity of immune activation in
response to infection. Flagellin is a microbe-associated molecular pattern that is present on …

Salmonella Fimbrial Protein FimH Is Involved in Expression of Proinflammatory Cytokines in a Toll-Like Receptor 4-Dependent Manner

K Uchiya, Y Kamimura, A Jusakon… - Infection and Immunity, 2019 - Am Soc Microbiol
Type 1 fimbriae are proteinaceous filamentous structures present on bacterial surfaces and
are mainly composed of the major fimbrial protein subunit FimA and the adhesive protein …

Deletion of flagellin's hypervariable region abrogates antibody-mediated neutralization and systemic activation of TLR5-dependent immunity

C Nempont, D Cayet, M Rumbo, C Bompard… - The Journal of …, 2008 - journals.aai.org
TLRs trigger immunity by detecting microbe-associated molecular patterns (MAMPs).
Flagellin is a unique MAMP because it harbors 1) an antigenic hypervariable region and 2) …