Between 1904 and 2008, researchers found that approximately 75% of patients with Werner syndrome (WS) worldwide were of Japanese descent. WS is a rare genetic disorder that causes premature aging and increases the risk of various age-related diseases, such as diabetes, cardiovascular disease and cancer. One of the hallmarks of WS is the loss of subcutaneous fat, which is the layer of fat under the skin that helps regulate body temperature and store energy. Subcutaneous fat loss leads to severe insulin resistance, which means that the body cannot use glucose effectively and has high blood sugar levels. But what causes subcutaneous fat loss in WS? And how does it affect the metabolism and health of WS patients?

In a new study, researchers Daisuke Sawada, Hisaya Kato, Hiyori Kaneko, Daisuke Kinoshita, Shinichiro Funayama, Takuya Minamizuka, Atsushi Takasaki, Katsushi Igarashi, Masaya Koshizaka, Aki Takada-Watanabe, Rito Nakamura, Kazuto Aono, Ayano Yamaguchi, Naoya Teramoto, Yukari Maeda, Tomohiro Ohno, Aiko Hayashi, Kana Ide, Shintaro Ide, Mayumi Shoji, Takumi Kitamoto, Yusuke Endo, Hideyuki Ogata, Yoshitaka Kubota, Nobuyuki Mitsukawa, Atsushi Iwama, Yasuo Ouchi, Naoya Takayama, Koji Eto, Katsunori Fujii, Tomozumi Takatani, Tadashi Shiohama, Hiromichi Hamada, Yoshiro Maezawa, and Koutaro Yokote from Chiba University Graduate School of Medicine, Chiba University Hospital, Kazusa DNA Research Institute, The University of Tokyo, Kyoto University, and International University of Welfare and Health School of Medicine aimed to shed light on these questions by investigating the molecular mechanisms of subcutaneous fat dysfunction in WS. On October 3, 2023, their research paper was published in Aging’s Volume 15, Issue 19, entitled, “Senescence-associated inflammation and inhibition of adipogenesis in subcutaneous fat in Werner syndrome.”

“[...] research on WS is important as it can provide insights into the pathogenesis and development of treatments not only for WS but also for general age-related diseases."

Full blog - https://aging-us.org/2023/10/rapamycins-therapeutic-potential-in-treating-werner-syndrome/

Paper DOI - https://doi.org/10.18632/aging.205078

Corresponding authors - Hisaya Kato - [email protected], Yoshiro Maezawa - [email protected], and Koutaro Yokote - [email protected]

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Keywords - aging, Werner syndrome, premature aging, lipodystrophy, stromal vascular fraction, SASP

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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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