Top-Performer: Cellular Senescence in Lymphoid Organs and Immunosenescence



September 9, 2021

Aging-US published this trending review on August 12, 2021, entitled, “Cellular senescence in lymphoid organs and immunosenescence,” by researchers from the Genetics and Genomics Graduate Program, Genetics Institute, College of Medicine, University of Florida, Gainesville, FL; Department of Neuroscience, McKnight Brain Institute, College of Medicine, University of Florida, Gainesville, FL; Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL. Abstract: Immunosenescence is a multi-faceted phenomenon at the root of age-associated immune dysfunction. It can lead to an array of pathological conditions, including but not limited to a decreased capability to surveil and clear senescent cells (SnCs) and cancerous cells, an increased autoimmune responses leading to tissue damage, a reduced ability to tackle pathogens, and a decreased competence to illicit a robust response to vaccination. Cellular senescence is a phenomenon by which oncogene-activated, stressed or damaged cells undergo a stable cell cycle arrest. Failure to efficiently clear SnCs results in their accumulation in an organism as it ages. SnCs actively secrete a myriad of molecules, collectively called senescence-associated secretory phenotype (SASP), which are factors that cause dysfunction in the neighboring tissue. Though both cellular senescence and immunosenescence have been studied extensively and implicated in various pathologies, their relationship has not been greatly explored. In the wake of an ongoing pandemic (COVID-19) that disproportionately affects the elderly, immunosenescence as a function of age has become a topic of great importance. The goal of this review is to explore the role of cellular senescence in age-associated lymphoid organ dysfunction and immunosenescence, and provide a framework to explore therapies to rejuvenate the aged immune system. Sign up for free Altmetric alerts about this article - DOI - Full text - Correspondence to: Daohong Zhou email: Keywords: cellular senescence, immunosenescence, immune senescence, senescence associated secretory phenotype (SASP), thymus 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​​ or connect with us on: Twitter -​ Facebook -​ SoundCloud -​ YouTube -​ LinkedIn -​ Aging-US is published by Impact Journals, LLC please visit​​ or connect with @ImpactJrnls Media Contact 18009220957 MEDIA@IMPACTJOURNALS.COM

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