Search results for lipopolysaccharide

“Among toll-like receptors, TLR4 is notable for recognizing lipopolysaccharide (LPS), a structure found on the outer membranes of Gram-negative bacteria. This overview will predominantly focus on TLR4 and its involvement in human health, disease, and behavior.”

“Increased intestinal permeability increases a person's risk for chronic diseases, many of which may be related to exposure to lipopolysaccharide (LPS), an endotoxin present in the cell walls of Gram-negative bacteria.”

“Airborne particulate matter is sometimes associated with lipopolysaccharides derived from Gram-negative bacteria (PM-LPS) and can activate TLR4 receptors and exacerbate inflammation, particularly in the lungs. Learn more about toll-like receptors in our overview article.”

“These expanded gaps allow bacteria and endotoxins (i.e., lipopolysaccharides, major components of the cell membrane of gram-negative bacteria) to leak through the intestinal wall and pass directly into the bloodstream.”

“At least two double-blinded, placebo-controlled studies investigated the effects of injecting healthy adults with either lipopolysaccharide (also known as endotoxin – a component of bacterial cell membranes that elicits an immune response) or interferon-gamma, a proinflammatory cytokine.”

“A bacterial toxin known as lipopolysaccharide (LPS) or endotoxin is particularly harmful in this regard — it normally provides a structural barrier to bacterial cells and is only present on the inner side of the intestinal membrane where it doesn't cause damage.”

“Lipopolysaccharide (LPS), also known as endotoxin, is a component of some bacterial cell walls. LPS binds to LDL cholesterol particles in the blood in what researchers speculate is a protective mechanism to sequester the LPS.”

“One of these ways involves lipopolysaccharide, or LPS, a bacterial product that arises in the intestine, and its interaction with far distal tissues and organs via the induction of immune mediators. ##LPS exploits intestinal permeability.”

“The bacteria prevents the immune system from attacking tumor cells, accelerating tumor growth. The study found that bacteria that are more abundant in pancreatic cancers (including proteobacteria, actinobacteria, and fusobacteria) release lipopolysaccharides (which are bacterial cell membrane components) and this shifts the key immune cells in the pancreas into immune suppression.”