2025-06-24 九州大学
本研究のグラフィカルアブストラクト proAXは細胞内で変換され、ミトコンドリアを活性化し、ATPを上昇させる
<関連情報>
- https://www.kyushu-u.ac.jp/ja/researches/view/1287
- https://www.kyushu-u.ac.jp/f/62137/25_0624_01.pdf
- https://pubs.acs.org/doi/10.1021/jacs.5c06772
ミトコンドリア呼吸を活性化し、ストレス耐性と寿命延長を促進する核酸プロドラッグ A Nucleic Acid Prodrug That Activates Mitochondrial Respiration, Promotes Stress Resilience, and Prolongs Lifespan
Takahisa Anada,Michiharu Kawahara,Taisei Shimada,Ryotaro Kuroda,Hidenori Okamura,Daiki Setoyama,Fumi Nagatsugi,Yuya Kunisaki,Eriko Kage-Nakadai,Shingo Kobayashi,and Masaru Tanaka
Journal of the American Chemical Published: June 13, 2025
DOI:https://doi.org/10.1021/jacs.5c06772
Abstract
Mitochondrial dysfunction caused by aging leads to decreased energy metabolism, resulting in functional decline and increased frailty in multiple tissues. Strategies for protecting and activating mitochondria under stressful conditions are required to suppress aging and age-related diseases. However, it is challenging to develop drugs capable of boosting mitochondrial respiration and compensating for the reduced intracellular adenosine triphosphate (ATP) levels. In this study, we developed a prodrug that stimulates the metabolism of intracellular adenine nucleotides (AXP: adenosine monophosphate (AMP), adenosine diphosphate (ADP), and ATP). It enhances AMP-activated protein kinase activity, fatty acid oxidation, oxidative stress resistance, and mitochondrial respiration, thereby increasing the intracellular ATP levels. Furthermore, this prodrug markedly extended the lifespan of Caenorhabditis elegans. AXP-driven stimulation of cellular energy metabolism proposed herein represents a novel geroprotective strategy and paves the way for the development of bioenergetic-molecule therapeutics.
