Moderator: Jean-Marc Burgunder (Guemligen, Switzerland)Guest: Sandrine Humbert (Paris, France)In this week's episode, Burgunder and Humbert discuss the intriguing phenomenon of somatic expansion—the further increase of CAG repeat numbers in the gene involved in Huntington’s disease, particularly in the striatum. They explore the molecular mechanisms behind this process, as addressed in two recent research papers.Please find here the papers discussed in this episode: Long somatic DNA-repeat expansion drives neurodegeneration in Huntington’s diseaseand Distinct mismatch-repair complex genes set neuronal CAG-repeat expansion rate to drive selective pathogenesis in HD mice.eanCampus access for Associate Members: If you are a member of a National Neurological Society in Europe, you are most likely aleady an Associate Member of the EAN and have an account for the eanCampus. If you have provided your email address to your National Neurological Society, it should already be in our database. Here is how you can access the eanCampus as an Associate Member:1. Enter the eanCampus2. Click on the Log In Button3. Log in with your MyEAN credentials and make use of the ‘forgot password’-functionality if necessaryIf you have trouble logging in, please get in contact with our Membership department (
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