The Genetics Podcast

This week on The Genetics Podcast, Patrick is joined by Dr. Graham Dempsey, CEO and co-founder of Quiver Bioscience. They discuss Graham’s path into neuroscience and biotech, how Quiver is building genetically validated programs in pain and neurodevelopmental disorders, and what recent advances in RNA-based therapies could mean for the future of neurological disease.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Graham01:29 The motivations and mission driving Quiver Bioscience04:34 Quiver’s approach to targeting the brain for neurological disease06:58 Nav1.7 as a lead pain program and the mechanisms of pain signaling12:11 Patient population and unmet need in chronic pain 13:37 The Dup15q neurodevelopmental program and recent clinical progress17:29 How the company chooses which diseases to pursue and why genetically validated pain and epilepsy programs lead the pipeline20:10 Modeling pain in a dish and how cellular electrophysiology reveals disease and drug effects27:42 Lessons from building a biotech company29:53 Today’s biotech climate and why Graham is optimistic 31:56 Emerging delivery technologies that could unlock the next wave of oligonucleotide therapies33:51 How molecular shuttles cross the blood–brain barrier and the advantage of a dual target approach37:05 Graham’s path from aspiring sports medicine doctor to building light-based platforms in neuroscience40:15 Graham’s early exposure to biotech leadership and a formative encounter with Roy Vagelos42:09 Closing remarksPlease consider rating and reviewing us on your chosen podcast listening platform! Find out more:Quiver Bioscience (https://www.quiverbioscience.com/)

This week on The Genetics Podcast, Patrick is joined by Dr. Arabella Bouzigues, Coordinator of the Genetic Frontotemporal Dementia Initiative (GENFI) and postdoctoral researcher. They discuss the scale and structure of GENFI as a global collaboration and what longitudinal data is revealing about genetics and biomarkers in frontotemporal dementia.Show Notes: 0:00 Intro to The Genetics Podcast01:00 Welcome to Arabella 01:30 Background and structure of the Genetic Frontotemporal Initiative (GENFI) consortium02:48 Scale of the GENFI cohort and the breadth of longitudinal data collected06:06 Clinical signs and progression of frontotemporal dementia (FTD) 10:08 How genetic variants map onto different clinical forms of frontotemporal dementia12:11 Biomarkers in genetic FTD and the challenge of separating neurodegeneration from lifelong brain differences19:36 Mutation-specific cortical microstructure patterns in FTD and what MRI reveals at the earliest stages23:04 Why combining genetics imaging fluid and digital biomarkers is essential for early detection and trials in FTD25:39 How the GENFI consortium is run across more than 50 sites worldwide30:42 How urgency and unmet need drive strong collaboration in the FTD community33:11 Promising developments in FTD therapeutics36:39 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_linkFind out more: GENFI (https://www.genfi.org/)

This week on The Genetics Podcast, Patrick is joined by Dr. Krishna Aragam, Section Head of Cardiovascular Genomics and Precision Medicine at the Cleveland Clinic. They discuss Krishna’s early experiences in population research and how they shaped his approach to genetics, the major discoveries transforming cardiovascular genomics from monogenic to polygenic risk, and how new insights into heart failure and population-specific variants are redefining the future of clinical care.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Krishna 01:40 How a gap year in India deepened Krishna’s interest in health and population genomics06:16 Key advances that reshaped cardiovascular genomics from rare variants to polygenic risk09:18 Where cardiovascular genomics stands today across coronary disease, cardiomyopathies, and arrhythmias14:25 Factors that make heart failure challenging for genomics 17:32 How monogenic variants and polygenic load shape risk in dilated cardiomyopathy23:03 What genetics reveals about the roots of heart failure and why precise phenotypes matter26:12 Using genetic risk to guide earlier treatment and prevent progression to heart failure30:37 Subclinical markers and imaging strategies to track progression toward heart failure32:04 Key research findings on an ancestry-specific genetic driver of dilated cardiomyopathy41:21 Genetic signals highlighting the role of inflammation in coronary artery disease43:11 Building a clinical genomics engine that connects discovery to cardiovascular care47:14 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_linkFind out more: Genetic variants underlying DCM: https://pmc.ncbi.nlm.nih.gov/articles/PMC11631752/ Ancestry-specific CD36 study: https://www.nature.com/articles/s41588-025-02372-2

Summary: This week on The Genetics Podcast, Patrick is joined by Lisa Gurry, Chief Business Officer of GeneDx. They discuss her path from two decades at Microsoft to leading one of the most influential genomics companies, GeneDx’s mission to deliver the fastest rare disease diagnoses, and how large-scale data, newborn screening, and AI are shaping the future of precision medicine.Show Notes: 0:00 Intro to The Genetics Podcast01:00 Welcome to Lisa and her career path leading to joining GeneDx  03:27 The core components of GeneDx and how they drive early rare disease diagnosis06:18 Insights from early genomic newborn screening pilots11:37 The clinical impact and economic benefits of newborn genomic screening14:27 How GeneDx combines data, AI, and clinical expertise to improve genomic interpretation17:44 A vision for a lifelong genomic passport and how it could guide care across every stage of life20:42 How GeneDx Infinity is unlocking new therapeutic possibilities in genetically linked autism22:48 How advocacy communities guide patient identification and connect families to opportunities26:00 Lessons from 23 years at Microsoft that Lisa now applies to leading GeneDx30:39 How Truveta emerged from the COVID crisis to build a shared-data platform for population-scale health insights32:13 What excites Lisa most about leading GeneDx and where she sees the biggest opportunities ahead34:59 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

 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

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

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

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

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

Summary: This week on The Genetics Podcast, Patrick is joined by Justin Porcano, co-founder and Executive Director of Save Sight Now. They discuss how his daughter’s diagnosis with Usher syndrome type 1B (USH1B) inspired the founding of Save Sight Now, the organization’s efforts to accelerate research and overcome barriers in gene therapy, and the innovative gene delivery methods and therapeutic approaches currently in development.Show Notes: 0:00 Intro to The Genetics Podcast00:59 Welcome to Justin01:39 How Justin’s daughter’s Usher syndrome diagnosis (USH1B) led to the founding of Safe Sight Now and a mission to accelerate research05:23 Biggest hurdles to therapeutic development for USH1B08:36 Progress in the research with new animal models and advances in clinical endpoint development10:25 How Justin applied design thinking and AI to rapidly learn rare disease science12:38 Advances in gene delivery approaches for USH1B15:45 Therapeutic intervention windows in USH1B with early treatment for hearing loss and later options for addressing vestibular and visual impairments18:32 Save Sight Now’s plans for the next phase of clinical translation and sustainable growth20:50 Why Justin decided to establish Save Sight Now as an independent nonprofit22:27 The need for stronger collaboration between patient organizations and biotech companies25:50 Building global collaborations to expand Save Sight Now’s reach28:00 How the community can support Save Sight Now’s mission and upcoming fundraising gala28:59 Closing remarksFind out moreSave Sight Now (https://www.savesightnow.org/)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