https://wikimd.org/index.php?action=history&feed=atom&title=Mutated_citrullinated_vimentin 2026-04-27T18:15:46Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Mutated_citrullinated_vimentin&diff=6435137&oldid=prev 2025-03-06T19:08:21Z

<p>CSV import</p> <p><b>New page</b></p><div>{{Short description|Autoantigen associated with rheumatoid arthritis}}<br /> <br /> &#039;&#039;&#039;Mutated citrullinated vimentin&#039;&#039;&#039; (MCV) is a [[protein]] that has been identified as an important [[autoantigen]] in [[rheumatoid arthritis]] (RA). It is a form of the protein [[vimentin]] that has undergone a process known as [[citrullination]], which is the conversion of the amino acid [[arginine]] into [[citrulline]]. This modification can lead to the generation of [[autoantibodies]] in individuals with RA, making MCV a significant marker for the disease.<br /> <br /> ==Structure and Function==<br /> Vimentin is a type of [[intermediate filament]] protein that is primarily found in [[mesenchymal cells]]. It plays a crucial role in maintaining cell integrity, supporting cellular structures, and facilitating cellular processes such as [[cell division]] and [[cell migration]].<br /> <br /> Citrullination is a post-translational modification carried out by the enzyme [[peptidylarginine deiminase]] (PAD). In the context of RA, the citrullination of vimentin alters its structure, potentially exposing new [[epitopes]] that are recognized as foreign by the immune system. This can trigger an [[autoimmune response]], leading to the production of anti-MCV antibodies.<br /> <br /> ==Role in Rheumatoid Arthritis==<br /> [[File:POCT_rheumachec.jpg|Point-of-care test for rheumatoid arthritis|thumb|right]]<br /> Rheumatoid arthritis is a chronic inflammatory disorder that primarily affects the joints. The presence of anti-MCV antibodies is a hallmark of RA and is used as a diagnostic marker. These antibodies are part of a broader group known as [[anti-citrullinated protein antibodies]] (ACPAs), which are highly specific for RA and can be detected in the blood of affected individuals.<br /> <br /> The detection of anti-MCV antibodies can aid in the early diagnosis of RA, even before the onset of clinical symptoms. This is crucial for initiating early treatment strategies that can slow disease progression and improve patient outcomes.<br /> <br /> ==Clinical Significance==<br /> The measurement of anti-MCV antibodies is performed using [[enzyme-linked immunosorbent assay]] (ELISA) techniques. These tests are valuable not only for diagnosis but also for monitoring disease activity and response to therapy. High levels of anti-MCV antibodies are often associated with more severe disease and can indicate a higher risk of joint damage.<br /> <br /> ==Research and Developments==<br /> Ongoing research is focused on understanding the precise mechanisms by which citrullinated proteins, including MCV, contribute to the pathogenesis of RA. Studies are also exploring the potential of targeting citrullination pathways as a therapeutic strategy.<br /> <br /> ==Related pages==<br /> * [[Rheumatoid arthritis]]<br /> * [[Autoantigen]]<br /> * [[Citrullination]]<br /> * [[Autoantibody]]<br /> * [[Intermediate filament]]<br /> <br /> [[Category:Rheumatology]]<br /> [[Category:Autoimmune diseases]]<br /> [[Category:Proteins]]</div>

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