The Aging Mouse Prostate: Kinetics of Lymphocyte Infiltration



May 22, 2023

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  • Aging-US published this research paper on May 13, 2023, in Volume 15, Issue 9, entitled, “Highly multiplexed immune profiling throughout adulthood reveals kinetics of lymphocyte infiltration in the aging mouse prostate" by researchers from Department of Molecular, Cell, and Developmental Biology, University of California, Los Angeles, CA; Molecular Biology Interdepartmental Program, University of California, Los Angeles, CA; Division of Hematology-Oncology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA; Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, CA; Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, CA; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA; Molecular Biology Institute, University of California, Los Angeles, CA; Current Address: Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA; Current Address: Keck School of Medicine, University of Southern California, Los Angeles, CA; Current Address: Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD. DOI - Corresponding author - Andrew S. Goldstein - Abstract Aging is a significant risk factor for disease in several tissues, including the prostate. Defining the kinetics of age-related changes in these tissues is critical for identifying regulators of aging and evaluating interventions to slow the aging process and reduce disease risk. An altered immune microenvironment is characteristic of prostatic aging in mice, but whether features of aging in the prostate emerge predominantly in old age or earlier in adulthood has not previously been established. Using highly multiplexed immune profiling and time-course analysis, we tracked the abundance of 29 immune cell clusters in the aging mouse prostate. Early in adulthood, myeloid cells comprise the vast majority of immune cells in the 3-month-old mouse prostate. Between 6 and 12 months of age, there is a profound shift towards a T and B lymphocyte-dominant mouse prostate immune microenvironment. Comparing the prostate to other urogenital tissues, we found similar features of age-related inflammation in the mouse bladder but not the kidney. In summary, our study offers new insight into the kinetics of prostatic inflammaging and the window when interventions to slow down age-related changes may be most effective. Sign up for free Altmetric alerts about this article - Subscribe for free publication alerts from Aging - Keywords - aging, prostate, immune microenvironment, mass cytometry, inflammation, lymphocyte 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​​ and connect with us: SoundCloud - Facebook - Twitter - Instagram - YouTube - LinkedIn - Pinterest - Media Contact 18009220957 MEDIA@IMPACTJOURNALS.COM

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