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Penn study reveals a common genetic link in fatal autoimmune skin disease
Date:6/19/2014

o PV.

While it's unlikely that the VH1-46 link solves the entire puzzle of PV's origins, it's an important step pointing in the right direction. Payne explains, "We don't think that VH1-46 is everything in PV, because we know that by the time patients show up with full-blown disease, multiple autoantibodies are causing the disease. However, the key is that we find VH1-46 autoantibodies in all of the patients we have studied, which suggests that it may be one of the earliest autoantibodies that appears."

Among the next steps for the research team will be to continue to probe the development of VH1-46 anti-Dsg3 antibodies, specifically whether they cross-react to microbes such as viruses or bacteria. "That could indicate that autoimmunity was mistakenly triggered during the course of an appropriate immune response to infection," says Payne. "Although we don't think this paper is going to immediately affect therapy, we believe that continuing along these lines of study will allow us to better understand how to improve current therapies or develop new strategies to treat disease," she notes. "We're at a really exciting time right now where we have the technologies to be able to address important questions about how PV occurs."


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Contact: Katie Delach
katie.delach@uphs.upenn.edu
215-349-5964
University of Pennsylvania School of Medicine
Source:Eurekalert

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