BEGIN:VCALENDAR VERSION:2.0 PRODID:-//132.216.98.100//NONSGML kigkonsult.se iCalcreator 2.20.4// BEGIN:VEVENT UID:20251108T083141EST-9481LIRl02@132.216.98.100 DTSTAMP:20251108T133141Z DESCRIPTION:The Killam Seminar Series presents Tackling sporadic ALS-FTD th rough TDP-43 knockin models.\n\nThe seminar will be taking placed in perso n at The Neuro (Jeanne Timmins Ampitheatre)\n\nTo attend in person\, regis ter here\n\nTo attend virtually\, register here.\n\nSpeaker: Jemeen Sreedh aran\, MD\, PhD\n\nNeurologist\, King's College London\, UK\n\nAbstract: A LS is a largely sporadic motor neuron disease without cure. 97% of cases d emonstrate cytoplasmic aggregation and nuclear depletion of the RNA bindin g protein TDP-43. Mutations in TARDBP\, the gene encoding TDP-43\, account for only ~1% of all ALS cases but offer an opportunity to understand the mechanisms underlying disease. Most TDP-43 studies have focussed on transg enic overexpression of TDP-43 to recapitulate histopathological hallmarks of disease\, but these models may demonstrate artefacts of transgenesis. W e have used CRISPR to generate disease models more reflective of the human condition at the genetic level. We have discovered that Tardbp mutation c an disturb TDP-43 autoregulation in mice\, causing cognitive rather than m otor phenotypes. TARDBP mutation can also disturb autoregulation in human cells. We have been working to develop the TDP-43(Q331K) knock-in mouse as a translational tool using in vivo 9.4T MRI to guide molecular studies. O ur iPSC tools are currently being used to better understand the mechanisms of TDP-43 autoregulation and to develop platforms for genetic and small-m olecule regulators of TDP-43 expression. We are only scratching the surfac e in these preliminary studies and a more extensive characterisation of TA RDBP mutations using knock-in approaches may be of great value.\n\nBio: I am a neurologist with a research interest in TDP-43\, a DNA/RNA-binding pr otein that is dysregulated in motor neuron disease and dementia including frontotemporal dementia and Alzheimer's disease. TDP-43 levels in the brai n are exquisitely regulated in health by autoregulation\, but this mechani sm is disturbed in disease. My laboratory has developed human cellular and mouse model systems to understand autoregulation with a view to normalisi ng TDP-43 expression for therapeutic gain. We use genetic engineering tech nologies to create more realistic models of disease than ever before. We a lso aim to understand the structural\, functional and molecular effects of TDP-43 misregulation on brain development\, as age-related neurodegenerat ive diseases probably start much earlier in life than previously thought. In 2019 I received the Alzheimer’s Research UK David Hague Early Career In vestigator Award. My other roles include being module 3 lead for the MSc i n Clinical Neuroscience and teaching medical students clinical neurology. \n\n\nSupported by the generosity of the Killam Trusts \, The Neuro’s Kill am Seminar series hosts outstanding guest speakers.\n DTSTART:20220524T200000Z DTEND:20220524T210000Z SUMMARY:Killam Seminar Series: Tackling sporadic ALS-FTD through TDP-43 kno ckin models URL:/neuro/channels/event/killam-seminar-series-tackli ng-sporadic-als-ftd-through-tdp-43-knockin-models-339533 END:VEVENT END:VCALENDAR