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Using Stem Cells to Cure Autism, Epilepsy & Schizophrenia | Dr. Sergiu Pașca

Huberman Lab

2025/08/18
Huberman Lab

Huberman Lab

2025/08/18
In this episode, Dr. Sergiu Pașca, a leading expert in psychiatry and behavioral sciences, joins the discussion to explore the intricate biology and genetics behind autism and other brain disorders. The conversation delves into the challenges of understanding conditions that lack clear biological markers, while also highlighting groundbreaking advancements in stem cell research that are paving the way for new treatments.
Dr. Sergiu Pașca discusses the increasing prevalence of autism and its strong genetic basis, particularly in severe cases. He highlights the limitations of traditional research methods and the revolutionary impact of stem cell-derived organoids and assembloids in modeling human brain development. These tools enable scientists to study complex conditions like Timothy syndrome, epilepsy, and schizophrenia in a dish, offering insights into disease mechanisms and potential therapies. The discussion also covers ethical concerns surrounding gene editing, stem cell treatments, and the risks of unregulated therapies. Pașca emphasizes the importance of precise terminology, collaboration, and transparency in advancing neuroscience and addressing the complexities of neurodevelopmental disorders.
05:22
05:22
Autism is behaviorally defined with no biological markers, leading to challenges in diagnosis and understanding.
07:25
07:25
The SRY gene may increase vulnerability to autism in males
18:08
18:08
Perturbing critical development periods can have devastating effects
18:53
18:53
Timothy syndrome is a genetic condition linked to autism, but no targeted therapies exist yet.
21:45
21:45
Autism's complexity involves genetic, environmental, and diagnostic factors
29:38
29:38
Human brain development continues into the third decade
34:46
34:46
CRISPR has shown success in treating non-human primate colorblindness.
46:33
46:33
Yamanaka discovered that four genes can reprogram skin cells into pluripotent stem cells
57:29
57:29
Reported improvements from stem cell injections are likely placebo effects or natural development.
1:10:34
1:10:34
Neurons in culture exhibit an intrinsic development timer that mimics brain maturation without external signals
1:17:41
1:17:41
Stimulating the cortex led to observable muscle contraction within weeks.
1:24:03
1:24:03
Faulty long-distance circuit interactions may explain complex disorders like autism
1:33:18
1:33:18
Proper reprogramming can remove age-related DNA methylation and fully rejuvenate cells.
1:43:38
1:43:38
Self-correction is fundamental in science and medicine, similar to engineering.
1:51:42
1:51:42
Human neurons in rats respond to sensory stimuli like whisker movement
1:58:00
1:58:00
The 22Q11.2 deletion is associated with multiple health issues and variable penetrance
2:02:36
2:02:36
Potential therapy for Timothy syndrome could be the first psychiatric disease treatment developed using human stem cell models.
2:17:21
2:17:21
Organoid research surpasses animal models in studying neurological and psychiatric diseases.