Longevity & Aging Series (EP 5): Dr. Amit Sharma

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October 12, 2022

In the fifth episode of the Longevity & Aging Series, Dr. Amit Sharma, Group Lead from SENS Research Foundation, Mountain View, CA, discusses a research paper he co-authored that was published in Volume 14, Issue 5, of Aging (Aging-US), entitled, “Enhanced co-culture and enrichment of human natural killer cells for the selective clearance of senescent cells.” #aging #longevity #webinar #research #senescence DOI - https://doi.org/10.18632/aging.203931 Corresponding Authors - Amit Sharma - amit.sharma@sens.org Abstract In the context of aging and age-associated diseases, Natural Killer (NK) cells have been revealed as a key cell type responsible for the immune clearance of senescent cells. Subsequently, NK cell-based therapies have emerged as promising alternatives to drug-based therapeutic interventions for the prevention and treatment of age-related disease and debility. Given the promise of NK cell-mediated immunotherapies as a safe and effective treatment strategy, we outline an improved method by which primary NK cells can be efficiently enriched from human peripheral blood across multiple donors (ages 20-42 years old), with a practical protocol that reliably enhances both CD56dim and CD56bright NK cells by 15-fold and 3-fold, respectively. Importantly, we show that our co-culture protocol can be used as an easily adaptable tool to assess highly efficient and selective killing of senescent cells by primary NK cells enriched via our method using longer co-culture durations and a low target to effector ratio, which may be more physiological than has been achieved in previous literature. Sign up for free Altmetric alerts about this article - https://aging.altmetric.com/details/email_updates?id=10.18632%2Faging.203931 Longevity & Aging Series Aging (Aging-US) and FOXO Technologies have teamed up for a special collaboration on aging research with a monthly video series: Longevity & Aging Series. This series invites Aging researchers to speak with host Dr. Brian Chen, an adjunct faculty member at the University of California San Diego and Chief Science Officer of FOXO Technologies. Learn more - https://www.aging-us.com/longevity Keywords - aging, senescence, natural killer cells, NKCC, immune surveillance About Aging-US Launched in 2009, Aging-US publishes papers of general interest and biological significance in all fields of aging research and age-related diseases, including cancer—and now, with a special focus on COVID-19 vulnerability as an age-dependent syndrome. Topics in Aging-US go beyond traditional gerontology, including, but not limited to, cellular and molecular biology, human age-related diseases, pathology in model organisms, signal transduction pathways (e.g., p53, sirtuins, and PI-3K/AKT/mTOR, among others), and approaches to modulating these signaling pathways. Please visit our website at https://www.Aging-US.com​​ and connect with us: SoundCloud - https://soundcloud.com/Aging-Us Facebook - https://www.facebook.com/AgingUS/ Twitter - https://twitter.com/AgingJrnl Instagram - https://www.instagram.com/agingjrnl/ YouTube - https://www.youtube.com/agingus​ LinkedIn - https://www.linkedin.com/company/aging/ Pinterest - https://www.pinterest.com/AgingUS/ Media Contact 18009220957 MEDIA@IMPACTJOURNALS.COM

Analytical TechniquesBioprocessingCell ScienceMolecular Biology

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