How Stress Granules Might Hold the Secret to Longer Life

Meet the microscopic ‘stress granules’ that might slow down aging. In this episode of RAADCast, Professor Imed Gallouzi joins us to discuss the fascinating world of post-transcriptional gene regulation and its critical impact on aging, muscle physiology, and diseases like cancer and Alzheimer’s. Watch now to discover how stress granules, cellular senescence, and muscle regeneration hold keys to extending our health span.

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In this episode of RAADCast, Professor Imed Gallouzi explains the crucial process of post-transcriptional gene regulation and how it maintains cellular health as we age. Using relatable analogies, he describes how our DNA stays fixed in the nucleus, but its messages—mRNA—travel like cars on a busy highway, requiring precise regulation to ensure proteins are produced correctly and at the right time.

Professor Gallouzi also shares his pioneering work on stress granules, revealing how these tiny cellular structures protect vital components during stressful events, but when they malfunction, they may contribute to diseases like Alzheimer’s. He expands on how muscle wasting and sarcopenia can be addressed by targeting key factors that drive muscle loss and by enhancing the regenerative power of satellite cells, with fascinating insights into how astronauts' muscle recovery in space could hold answers for aging populations on Earth.

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Professor Imed Gallouzi is an internationally recognized scientist and pioneer in the field of post-transcriptional gene regulation. Renowned for his groundbreaking work on mRNA metabolism, he has advanced our understanding of how posttranscriptional events influence aging, muscle physiology, cancer, and neurodegenerative diseases like Alzheimer’s.

As a Professor of Bioscience and Chair of the Center of Excellence for Smart Health at King Abdullah University of Science and Technology (KAUST), Professor Gallouzi is dedicated to uncovering how our cells adapt, protect, and recover under stress—and how this cellular intelligence can be harnessed to extend healthspan and resilience.

He co-discovered stress granules and their critical role in helping cells respond to stress, shedding light on how these structures may be targeted for future therapies to combat aging and age-related diseases. His research also highlights the therapeutic potential of RNA-binding proteins in preventing muscle wasting and degeneration.

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LinkedIn: https://www.linkedin.com/in/imed-gallouzi-6a3972200/

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