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Curing Autism, Epilepsy & Schizophrenia with Stem Cells | Dr. Sergiu Pașca

2025-08-18 Science & Technology
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Andrew Huberman
Andrew Huberman
7.5m subscribers

Biology, Genetics, and Stem Cell Models for Autism and Brain Disorders

Discover how human stem cell models—organoids and assembloids—are unlocking fundamental insights into autism, schizophrenia, and the brain's developmental timing, leading toward novel therapeutic pathways.

Short Summary

  • Establish that Autism Spectrum Disorder (ASD) is behaviorally defined but has a strong genetic basis, explaining rising diagnoses through criteria shifts and increased understanding.
  • Learn how Dr. Pașca pioneered stem cell tools (organoids/assembloids) to model complex brain development outside the body.
  • Understand the critical distinction between profound autism requiring intervention and high-functioning individuals, noting the severe risks of unproven stem cell injection therapies.
  • The discussion outlines the path from discovering genetic markers (like in Timothy Syndrome) to developing targeted, RNA-based therapeutic approaches validated in advanced models.

These tools bypass the inaccessibility of the developing brain, allowing scientists to witness developmental timelines, observe circuit formation, and test interventions based purely on human cellular mechanisms. This work offers a blueprint for understanding other challenging neurological and psychiatric conditions.

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Description

My guest is Dr. Sergiu Pașca, MD, professor of psychiatry and behavioral sciences at Stanford University. We discuss the biology and genetics of autism, why autism diagnoses are increasing and recent progress in using stem cells to understand and treat profound autism and other brain disorders. Dr. Pașca explains “organoids and assembloids”—human stem cell–derived tools he pioneered to study, treat and cure complex brain diseases. We also discuss ethical and safety issues with using gene editing and stem cells in humans. Episode show notes: https://go.hubermanlab.com/rljiUj3 *Thank you to our sponsors* AG1: ⁠https://drinkag1.com/huberman⁠ David: ⁠https://davidprotein.com/huberman⁠ Helix: ⁠https://helixsleep.com/huberman⁠ BetterHelp: ⁠https://betterhelp.com/huberman⁠ Function: ⁠https://functionhealth.com/huberman⁠ *Follow Huberman Lab* Instagram: https://www.instagram.com/hubermanlab Threads: https://www.threads.net/@hubermanlab X: https://twitter.com/hubermanlab Facebook: https://www.facebook.com/hubermanlab TikTok: https://www.tiktok.com/@hubermanlab LinkedIn: https://www.linkedin.com/in/andrew-huberman Website: https://www.hubermanlab.com Newsletter: https://www.hubermanlab.com/newsletter *Dr. Sergiu Pasca* Stanford academic profile: https://profiles.stanford.edu/sergiu-pasca Lab website: https://med.stanford.edu/pascalab.html TED talk: https://youtu.be/ABmRCdnVq3E?si=7_ST7beDu7eFMrPH Stanford Brain Organogenesis: http://www.brainorganogenesis.org Instagram: https://www.instagram.com/sergiu.p.pasca Bluesky: https://bsky.app/profile/sergiuppasca.bsky.social X: https://x.com/Sergiu_P_Pasca LinkedIn: https://www.linkedin.com/in/sergiu-p-pașca-32891629 *Timestamps* 00:00:00 Sergiu Pașca 00:02:08 Autism Spectrum Disorder, Incidence, Genetics 00:07:16 Is Autism More Common in Males? 00:09:35 Sponsors: David & Helix Sleep 00:11:56 Eye Contact in Babies, Fever; Proposed Causes of Autism; Genes 00:18:48 Genetic or Idiopathic Autism Diagnoses, Timothy Syndrome 00:21:37 Rise in Autism Diagnoses 00:26:46 Cause, Correlation & Neurological Disease; Schizophrenia, Do Vaccines Cause Autism? 00:31:34 Global Increase in Autism; Gene Therapy, CRISPR, Follistatin 00:41:05 Sponsors: AG1 & BetterHelp 00:43:41 Stem Cells, Ethics, Yamanaka Factors, Human Stem Cell Models 00:52:03 Umbilical Stem Cells; Stem Cell Injections & Dangers, Autistic Kids 00:59:30 Organoids, Modeling Brain Development, Intrinsic Development Timer 01:12:22 Assembloids, Brain Cell Migration & Circuit Formation, Self-Organization 01:21:22 Four-Part Assembloid, Sensory Assembloid, Pain Conditions 01:25:45 Sponsor: Function 01:27:33 Future Medical Therapies, Cell Banking, Immortalize Tissues, Rejuvenate Cells 01:34:56 Assembloids & Ethics, Importance of Nomenclature, Science Collaboration & Self-Correction 01:45:38 Cell Transplantation & Ethics, Timing 01:55:05 Genetic Testing for Parents, Genetic Penetrance 02:02:36 Assembloids, Timothy Syndrome, Epilepsy, Schizophrenia, Dystonia 02:14:30 Scientific Career, Walking, Art, Medical School 02:20:44 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures: https://www.hubermanlab.com/disclaimer

Top Comments (10)

@JustMe-n9u8c 2025-08-18

As someone with autism, most people see me as quiet and socially awkward. I try to join conversations, but people talk over me or walk away. I don’t always know what to say or when to say it, and that often makes me feel left out, like I’m even more invisible. I’ve spent my whole life trying to fit in, but the harder I try, the more I feel like I don’t belong anywhere. People think of people on the spectrum are smart or quirky, but for me, it mostly means feeling alone in a world that doesn’t slow down or understand. It’s not just hard, it’s very isolating.

267 55 replies
@hubermanlab 2025-08-18

Thank you for watching. If you enjoyed this topic and episode, please click the "like" button and subscribe to our channel here on YouTube. Thank you for your interest in science! -- Andrew

56 12 replies
@7hello 2025-08-18

Bro I hope this can cure stupidity, cause i’m struggling.

43 3 replies
@megan5500 2025-08-18

we need more on schizophrenia, love your content! :D

42 2 replies
@pocketfulofscribbles 2025-08-18

Please bring him back again with updates. Love, as always ❤

42 2 replies
@LLudakart 2025-08-18

As someone with seizures, I’ve been waiting for this episode

30 3 replies
@johnsalmons4724 2025-08-21

Extremely impressive guest. An extraordinaly intelligent, clear and scientifically sophisticated mind. Future legend in the field, but I get the feeling he would be a genius at anything he puts his mind to. Also can't help but notice how young he looks, must be using those stem cell therapies to the best of his knowledge on himself.

21 1 replies
@kumarvijay7802 2025-08-23

Please make video on..... Difficulty in sleep because of 1.fantasy thinking, 2.Maladaptive day dreaming, 3. living In a imaginary world by creating fake scenarios, 4. replaying and ruminating all the things happened during day

11
@Connect2discxnnect 2025-08-19

This guy is such a great scientist. Love to see it.

9
@allegra1898 2025-08-19

Just read about it, never thought to see this guy in your podcast.He is from România. 😊

8

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