https://wikimd.org/index.php?action=history&feed=atom&title=Lymphocyte_antigen_96Lymphocyte antigen 96 - Revision history2026-04-26T20:43:11ZRevision history for this page on the wikiMediaWiki 1.44.2https://wikimd.org/index.php?title=Lymphocyte_antigen_96&diff=5686234&oldid=prevPrab: CSV import2024-04-29T20:34:55Z<p>CSV import</p>
<p><b>New page</b></p><div>[[Image:Toll-like_receptor_pathways_revised.jpg|thumb|Toll-like receptor pathways revised]] '''Lymphocyte antigen 96''' ('''LY96'''), also known as '''MD-2''', is a [[protein]] that in humans is encoded by the ''LY96'' gene. LY96 is a key component in the [[immune system]], playing a crucial role in the body's defense mechanism against [[pathogen]]s. It is closely associated with [[Toll-like receptor 4]] (TLR4) and is essential for the recognition and signal transduction of [[lipopolysaccharides]] (LPS), molecules found on the outer membrane of [[Gram-negative bacteria]].<br />
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== Function ==<br />
LY96 is a [[membrane protein]] that, together with TLR4, forms a complex that can recognize and bind to lipopolysaccharides. This binding is a critical step in the innate immune response, leading to the activation of [[nuclear factor kappa B]] (NF-κB) and the production of pro-inflammatory [[cytokines]]. These cytokines play a significant role in the immune system's response to infection by promoting inflammation and recruiting other immune cells to the site of infection.<br />
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== Structure ==<br />
The LY96 protein is small, consisting of approximately 160 amino acids. It has a unique structure that allows it to bind tightly to TLR4, facilitating the recognition of LPS. The LY96-TLR4 complex is located on the surface of immune cells, such as [[macrophages]] and [[dendritic cells]], which are among the first cells to respond to bacterial invasion.<br />
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== Clinical Significance ==<br />
Alterations in the expression or function of LY96 can lead to abnormal immune responses. For example, overactivation of the LY96-TLR4 pathway can result in excessive inflammation, contributing to the pathogenesis of various inflammatory and autoimmune diseases. Conversely, a deficiency in LY96 function can impair the body's ability to detect and respond to bacterial infections, leading to increased susceptibility to these infections.<br />
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Research into LY96 has also highlighted its potential role in the development of new therapeutic strategies for treating inflammatory diseases and sepsis. By targeting the LY96-TLR4 signaling pathway, it may be possible to modulate the immune response, reducing harmful inflammation while still fighting off infection.<br />
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== See Also ==<br />
* [[Toll-like receptor]]<br />
* [[Innate immune system]]<br />
* [[Inflammation]]<br />
* [[Autoimmune disease]]<br />
* [[Sepsis]]<br />
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[[Category:Immune system]]<br />
[[Category:Proteins]]</div>Prab