JIMD Podcasts

Eva Hoytema van Konijnenburg and Clara van Karnebeek tell the podcast about the treatabolome an epic project to include all current IMD treatments and add them to the IEMbase. The Metabolic Treatabolome and Inborn Errors of Metabolism Knowledgebase therapy tool: Do not miss the opportunity to treat! Bibiche den Hollander, et al https://doi.org/10.1002/jimd.12835

It seems everyone is talking about autophagy but what is it and what happens when it goes wrong? Hormos Salimi Dafsari, Carlo Dionisi-Vici, and Heinz Jungbluth join the podcast to answer these questions, discuss their experience across 3 (or 2.5) generations of clinical practice and why you never see an obese 100-year-old. An update on autophagy disorders Hormos Salimi Dafsari, et al https://doi.o...

Marie-Thérèse Henke, Alessandro Prigione, and Markus Schuelke get 2025 off to an informative start discussing why so many models exist for Leigh Syndrome, why we need them and how insights from disease models have led to Sildenafil being used in some patients. Disease models of Leigh syndrome: From yeast to organoids Marie-Thérèse Henke, Alessandro Prigione, Markus Schuelke https://doi.org/10.1002...

Dr François Feillet returns to the podcast to discuss the final results of the KAMPER study, evaluating the long-term safety of sapropterin in phenylketonuria (phenylalanine hydroxylase deficiency). Long-term safety of sapropterin in paediatric and adult individuals with phenylalanine hydroxylase deficiency: Final results of the Kuvan® Adult Maternal Paediatric European Registry multinational obse...

Dr Sema Kalkan Uçar joins the podcast to discuss the merits of a high protein, high fat diet for the management of patients with Glycogen Storage Disease type 3a. Long-term personalized high-protein, high-fat diet in pediatric patients with glycogen storage disease type IIIa: Evaluation of myopathy, metabolic control, physical activity, growth, and dietary compliance Sema Kalkan Uçar, et al https:...

Dr Gabriella Horvath returns for her second visit to the podcast, joining Eva Morava to discuss psychiatric presentations of Inherited Metabolic Disease. Read the referenced paper here: https://doi.org/10.1016/j.ymgme.2020.02.007 Find IMDs associated with psychiatric presentations at: http://iembase.org/gamuts/store/docs/Psychiatric_IMD_gamuts.pdf

In this Shortcast Antonio Ochoa-Ferraro and Dr Charlotte Dawson share their experience using the medication Volanesorsen with two pregnant women diagnosed with familial chylomicronemia syndrome. Two successful pregnancies in patients taking Volanesorsen for familial chylomicronemia syndrome Subadra Wanninayake, et al https://doi.org/10.1002/jmd2.12435

In the latest podcast, Dr Lourdes Desviat provides an overview of the different RNA based therapeutic approaches including how they work and which are showing promise for the management of Urea Cycle Disorders. Exploring RNA therapeutics for urea cycle disorders Eva Richard, Ainhoa Martínez-Pizarro, Lourdes R. Desviat https://doi.org/10.1002/jimd.12807

Dr Hannerieke van den Hout of Erasmus MC joins the podcast to discuss observations from two decades of early treated infantile onset Pompe disease and the evolving nature of the neurological phenotype. Long term survival in patients with classic infantile Pompe disease reveals a spectrum with progressive brain abnormalities and changes in cognitive functioning van den Dorpel, et al https://doi.org...

Callie Ferguson discusses her group's care for a young woman with FBPase deficiency during pregnancy and beyond. Metabolic management of a successful pregnancy and postpartum complications in fructose-1,6-bisphosphatase deficiency Callie Ferguson, Anita Madison, Ada Hamosh, Celide Koerner https://doi.org/10.1002/jmd2.12453

Professor Shamima Rahman and Dr Nandaki Keshavan take us on a whistle stop tour of the different approaches taken to gene therapy in mitochondrial disease and why some may work better than others. Gene therapy for mitochondrial disorders Nandaki Keshavan, Michal Minczuk, Carlo Viscomi, Shamima Rahman https://doi.org/10.1002/jimd.12699

Olivia Garrett, Jared Druss, Estela Rubio-Gozalbo, Gerard Berry, and Judith Fridovich-Keil discuss outcomes in classic galactosemia drawn from patient surveys of 92 adults. Health and well-being of maturing adults with classic galactosemia Olivia S. Garrett, Jared J. Druss, E. Naomi Vos, Yu-Ting Debbie Fu, Stephanie Lucia, Patricia E. Greenstein, Anna Bauer, Jolanta Sykut-Cegielska, Karolina M. St...

Professor Carlos Ferreira joins Eva Morava to discuss the metabolic cardiovascular disease and explain why cardiac involvement is common in IMDs and when an underlying metabolic should be suspected in a cardiac presentation. Read the referenced paper here: https://doi.org/10.1016/j.ymgme.2020.12.290 Find IMDs associated with epilepsies at: http://www.iembase.org/gamuts/store/docs/GAMUTS_Supplement...

Originally presented at the SSIEM 2023 Annual Symposium, Dr Ozlem Goker-Alpan discusses neuronopathic gaucher disease, regional variations and hopes for new treatments. Neuronopathic Gaucher disease: Rare in the West, common in the East Ozlem Goker-Alpan, Margarita M. Ivanova https://doi.org/10.1002/jimd.12749

Dr Melanie Gillingham, PhD, RD, joins the podcast to discuss eye disease in LCHADD and changes in outcomes following early or late diagnosis. Early diagnosis and treatment by newborn screening (NBS) or family history is associated with improved visual outcomes for long-chain 3-hydroxyacylCoA dehydrogenase deficiency (LCHADD) chorioretinopathy Melanie B. Gillingham, et al https://doi.org/10.1002/ji...

Professor Corrado Angelini joins Eva Morava to discuss the footprints of metabolic myopathies, why they are so common and when they should be suspected. Read the referenced paper here: https://doi.org/10.1016/j.ymgme.2022.09.004 Find IMDs associated with epilepsies at: http://www.iembase.org/gamuts/store/docs/Footprints_myopathies_table%20151022.pdf

Professor Judy Fridovich-Keil returns to the podcast to explain her work to illustrate whether the phenotype of galactosemia is related to GALT activity or galactose metabolism. Her group have been working with plant enzymes in fruit flies. Restoring galactose metabolism without restoring GALT rescues both compromised survival in larvae and an adult climbing deficit in a GALT-null D. melanogaster...

Dr Roman Trepp attempts to answer the question, Do early-treated adults with phenylketonuria sense high phenylalanine levels? Do early-treated adults with phenylketonuria sense high phenylalanine levels? Laura Hauri, Raphaela Muri, Regula Everts, Roman Trepp https://doi.org/10.1002/jmd2.12446

Professors Fréd Vaz and Ronald Wanders present an entertaining and informative overview of fatty acid homeostasis and explain why the catabolic and anabolic processes cannot be considered separately. Disorders of fatty acid homeostasis Frédéric M. Vaz, et al https://doi.org/10.1002/jimd.12734

Dr Annet Bosch describes three cases where young adults developed worsening neurological symptoms after a change in diet. Initially confused with Guillan-Barré Syndrome, this treatable condition may be hard to diagnose but devastating to miss. Find full details here: https://doi.org/10.1002/jmd2.12427

Dr Irena Muffels is joined by Professor Eva Morava to discuss insights into heterozygous DHDDS variants, an autosomal dominant IMD that appears to impact on multiple different metabolic pathways. Assessing age of onset and clinical symptoms over time in patients with heterozygous pathogenic DHDDS variants I. J. J. Muffels, et al https://doi.org/10.1002/jimd.12769

Professor Phillip Pearl joins Eva Morava to discuss the footprints of metabolic epilepsies and a very brief introduction to the intertwined nature of music and neurology. Read the referenced paper here: https://doi.org/10.1016/j.ymgme.2023.107690 Find IMDs associated with epilepsies at: http://iembase.org/gamuts/store/docs/IMDs_presenting_with_epilepsies_010124.pdf

Dr Henry Lee joins the podcast to discuss the challenges of developing gene therapies for inherited disorders of neurotransmission and shares the progress that his group has made with SSADH deficiency. Gene replacement therapies for inherited disorders of neurotransmission: Current progress in succinic semialdehyde dehydrogenase deficiency Henry H. C. Lee, et al https://doi.org/10.1002/jimd.12735

Dr Tom Hartl discusses his group's work with a mouse model that knocks out both GALT and GALK and the insights that this provides into classic galactosemia. Galactokinase 1 is the source of elevated galactose-1-phosphate and cerebrosides are modestly reduced in a mouse model of classic galactosemia Linley Mangini, et al https://doi.org/10.1002/jmd2.12438

Marjorie Dixon and Annemiek van Wegberg join guest host Curtis Coughlin II to complete the treatment puzzle in pyridoxine dependent epilepsy and explain the role and practicalities of lysine restriction in PDE. Dietary management for pyridoxine-dependent epilepsy due to α-aminoadipic semialdehyde dehydrogenase deficiency, a follow-on from the international consortium guidelines Marjorie Dixon, et...