The Genetics Podcast

• EP 216: Four decades of advancing Duchenne research with Jeffrey Chamberlain of University of Washington

   This week on The Genetics Podcast, Patrick is joined by Dr. Jeffrey Chamberlain, Professor at the University of Washington School of Medicine, co-founder of Kinea Bio, and Director of the Muscular Dystrophy Cooperative Research Center of Seattle. They discuss the early breakthroughs that revealed the structure and function of the dystrophin gene, how those insights led to the creation of micro-dystrophin and systemic AAV delivery in Duchenne, and the major scientific and clinical challenges the field must now solve.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Jeffrey01:33 Early discovery of the dystrophin gene and how it shaped Duchenne muscular dystrophy (DMD) research09:07 Efforts to map dystrophin and develop practical diagnostic techniques12:04 How research in Jeffrey’s lab gradually led to the creation of micro-dystrophin 20:15 How micro-dystrophin and AAV delivery converged into a viable systemic gene therapy strategy27:23 Current successes and safety challenges in systemic AAV gene therapy for neuromuscular disease34:44 Prospects and limitations of gene editing for Duchenne and emerging alternatives to AAV micro-dystrophin44:57 Closing remarksPlease consider rating and reviewing us on your chosen podcast listening platform! https://drive.google.com/file/d/1Bp2_wVNSzntTs_zuoizU8bX1dvao4jfj/view?usp=share_link

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• EP 215: Vectorized RNAi and the next frontier of gene silencing with Rachel Salzman of Armatus Bio

  Summary: This week on The Genetics Podcast, Patrick is joined by Dr. Rachel Salzman, CEO of Armatus Bio. They discuss the promise of vectorized RNAi for autosomal dominant diseases, the key scientific and clinical hurdles in gene therapy, and Rachel’s lessons from two decades in the field.Show Notes: 0:00 Intro to The Genetics Podcast01:00 Welcome to Rachel01:35 Background of Armatus Bio and the mechanism behind its vectorized RNAi platform05:31 Advantages of vectorized RNAi over conventional RNAi approaches08:07 How microRNAs work and how engineered versions enable highly specific gene silencing10:28 Current preclinical progress at Armatus and next steps toward first-in-human trials14:06 Lessons on making smart risk decisions in rare disease drug development17:26 Reflections on two decades of progress, setbacks, and realities in gene therapy22:07 Hemophilia as a case study in gene therapy missteps and overlooked patient and market realities25:21 Challenges around product purity and the need for financial innovation29:23 Why AAV purity is so difficult to achieve and where pre-competitive collaboration could drive improvement33:32 Rachel’s path from veterinary medicine to gene therapy through a family genetic diagnosis35:58 Founding the Stop ALD Foundation and advancing lentiviral gene therapy into first-in-human use39:58 The future potential of vectorized RNAi 42:00 Closing remarksPlease consider rating and reviewing us on your chosen podcast listening platform! https://drive.google.com/file/d/1Bp2_wVNSzntTs_zuoizU8bX1dvao4jfj/view?usp=share_link

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• EP 214: Innovating large-scale and sustainable genomics with Slavé Petrovski of AstraZeneca

  Summary: This week on The Genetics Podcast, Patrick is joined by Slavé Petrovski, Vice President of the Center for Genomics Research at AstraZeneca. They discuss how AstraZeneca is scaling population genomics through massive biobank collaborations, developing AI models for early disease prediction, and pioneering sustainable “green” algorithms to reduce the environmental footprint of large-scale genomic research.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Slavé02:09 Slavé’s career path from business information systems to genomics04:33 How Slavé decided to move from academia to industry07:52 Scaling and diversifying biobank partnerships to unlock new genetic insights12:29 Translating biobank data into predictive and preventive medicine15:14 Discovering protective genetic variants through global biobank studies19:13 Leveraging population genetics to identify and validate protective drug targets23:52 Developing an AI tool (MILTON) for integrating multi-omic and clinical data for early disease prediction28:12 Redefining clinical trials in a presymptomatic and predictive medicine era30:49 AstraZeneca’s efforts to make large-scale genomics computing sustainable through green algorithm innovation39:05 AstraZeneca’s open science strategy and global impact of its shared genomics tools42:10 Fostering critical thinking and avoiding groupthink in large-scale genomics research45:30 Looking ahead to the next decade of genomics and precision healthcare50:01 Closing remarksFind out moreMILTON (https://www.astrazeneca.com/r-d/our-technologies/machine-learning-drug-discovery.html)PheWAS Portal (https://azphewas.com/)Upcoming webcast with deep dive into MILTON & PheWAS (https://www.nature.com/articles/d44224-025-00033-7)Please consider rating and reviewing us on your chosen podcast listening platform! https://drive.google.com/file/d/1Bp2_wVNSzntTs_zuoizU8bX1dvao4jfj/view?usp=share_link

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• EP 213: Inside the science of hearing loss and gene therapy for deafness with Ellen Reisinger of the University of Tübingen

  This week on The Genetics Podcast, Patrick is joined by Dr. Ellen Reisinger, Professor and group leader at the University of Tübingen. They discuss her journey into hearing loss research, why otoferlin has become a leading target for gene therapy, and the emerging science shaping the next generation of treatments.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Ellen01:52 Ellen’s career path that coincidentally led to her work on otoferlin-related hearing loss03:22 Mechanism and advantages of the dual adenoassociated virus (AAV) system 05:35 The genetic landscape of early-onset hearing loss and why otoferlin stands out07:42 Why otoferlin-related deafness is an ideal target for postnatal gene therapy development09:53 Potential next gene therapy targets beyond otoferlin and associated challenges13:13 Carrier and newborn screening as approaches to preventing hereditary hearing loss14:37 How far the field is from prenatal gene therapy and why it remains unlikely in the near term16:07 Exploring gene-agnostic and protective approaches to prevent or slow hearing loss18:22 How genetics and environment interact in age-related hearing loss20:00 Current research focus of Ellen’s group on degenerative hearing loss genes and uncovering cell death mechanisms22:05 Using mouse models and human organoids to study hearing loss mechanisms23:42 Emerging gene editing approaches 25:20 Ellen’s research journey from biochemistry to leading gene therapy research in hearing loss 27:54 Unanswered questions about how inner hair cells release neurotransmitters29:21 Comparing outcomes of gene therapy and cochlear implants for hearing restoration and differences across languages34:20 Closing remarksPlease consider rating and reviewing us on your chosen podcast listening platform! https://drive.google.com/file/d/1Bp2_wVNSzntTs_zuoizU8bX1dvao4jfj/view?usp=share_link

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• EP 212: A hub-and-spoke model for accelerating rare disease drug development with Ananth Sridhar and Sun-Gou Ji of BridgeBio

  Summary: This week on The Genetics Podcast, Patrick is joined by BridgeBio’s Ananth Sridhar, Chief Operating Officer of Cardiorenal Programs, and Sun-Gou Ji, Vice President of Computational Genomics. They discuss the hub-and-spoke model for de-risking and accelerating rare disease drug development, the role of human genetics in target discovery, lessons from their autosomal dominant hypocalcemia type 1 (ADH1) program, and how portfolio design and predictive genomics are shaping the future of precision medicine.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Ananth & Sun-Gou01:57 How BridgeBio’s hub-and-spoke model de-risks and accelerates rare disease drug development06:45 How programs move from the hub to the spokes in target discovery and development09:10 Translating a target into a therapy for autosomal dominant hypocalcemia type 1 (ADH1)12:28 Challenges in ADH1 drug development and using population genetics to identify patients with gain-of-function variants18:08 Under-diagnosis and incomplete penetrance in rare disease and quantifying genetic versus phenotypic prevalence20:52 Balancing first-in-class innovation with risk management in rare disease drug development24:24 Evaluating rare disease programs using risk-adjusted net present value (NPV) instead of peak sales27:20 Key factors that can make rare disease programs faster and cheaper to develop, and why modality agnosticism is important32:00 Sun-Gou’s experience in computational genetics and building data-driven infrastructure for discovery36:44 Ananth’s lessons from Regeneron and applying patient-centered principles to rare disease drug development39:00 Sun-Gou on the power of newborn sequencing and personal lessons from early diagnosis43:36 Ananth’s views on making predictive medicine more personal and human-centered44:51 Closing remarksFind out moreBridgeBio (https://bridgebio.com/unlocking-rare-diseases-medicine)Hub-and-spoke model (https://www.youtube.com/watch?v=gRURL49QsX4)ADH1 publication (https://www.cell.com/ajhg/fulltext/S0002-9297(25)00244-7)Please consider rating and reviewing us on your chosen podcast listening platform! https://drive.google.com/file/d/1Bp2_wVNSzntTs_zuoizU8bX1dvao4jfj/view?usp=share_link

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