Blog summary of a research paper published in Volume 15, Issue 5 of Aging (Aging-US): “Cellular senescence with SASP in periodontal ligament cells triggers inflammation in aging periodontal tissue.”

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Repercussions of poor dental health aren’t limited to mere social stigmas. Poor dental health can impart serious consequences on an individual’s overall health. Periodontal disease broadly refers to any disease that affects the gums and the surrounding tissues that support the teeth, including the periodontal ligament (PDL) and alveolar bone. Periodontal disease can increase the risk of heart disease, stroke and diabetes by allowing bacteria to enter the bloodstream, causing inflammation and organ damage.

Periodontitis is a more advanced stage of periodontal disease. It is thought to be the most common infectious disease in the United States—affecting more than 40% of adults over 30 years old. Previous research has suggested that aging is a significant risk factor for periodontitis, although the underlying mechanisms are unclear.

“The direct cause of periodontitis is periodontopathic bacteria, while various environmental factors affect the severity of periodontitis. Previous epidemiological studies have shown positive correlations between aging and periodontitis. However, whether and how aging is linked to periodontal health and disease in biological processes is poorly understood.”

Full blog - https://aging-us.org/2023/03/a-promising-approach-to-preventing-periodontitis/

DOI - https://doi.org/10.18632/aging.204569

Corresponding author - Motozo Yamashita - [email protected]

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Keywords - aging, cellular senescence, periodontitis, periodontal ligament, SASP, microRNAs, SIRT1

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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.

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