Episode
RNA-Mediated Epigenetic Regulation (Mo Motamedi)
- Podcast
- Epigenetics Podcast
- Published
- Oct 2, 2025
- Duration seconds
- 2739
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Summary
In this episode of the Epigenetics Podcast, we talked with Mo Motamedi from the Center for Cancer Research at Massachusetts General Hospital about his work on RNA-mediated epigenetic regulation. The Interview starts with Dr. Motamedi sharing his personal journey into the realm of biology, sparked by a familial inclination towards science and a challenge to excel in a field that initially felt daunting. His passion was ignited during a genetics class, as he recognized the quantitative nature of the discipline amidst the evolution of modern techniques like qPCR and high-throughput sequencing. Dr. Motamedi goes on to articulate the importance of understanding the interplay between genetics and broader biological systems, emphasizing that an insightful grasp of evolution is vital for decoding cellular mechanisms. He reflects on his time in a postdoctoral lab under Danesh Moazed, investigating RNA interference (RNAi) and its unexpected nuclear roles, contributing significantly to the understanding of how RNAi is involved in gene silencing via chromatin interaction. As his narrative unfolds, Dr. Motamedi provides deep insights into his own lab's work, which focuses on the establishment and maintenance of epigenetic states and their implications in cancer epigenetics. He discusses groundbreaking discoveries related to RNAi and heterochromatin, detailing experiments that unveil how specific proteins contribute to transcriptional and post-transcriptional gene silencing. A pivotal theme emerges: the complex dynamics of genome evolution and chromatin organization can be reshaped under various biological contexts, including the quiescent state of cells under stress. Moreover, the discussion traverses recent publications from Dr. Motamedi's lab, revealing how they identify long non…