Boosting neuronal activity-driven mitochondrial DNA transcription improves cognition in aged mice.

Wenwen Li, Jiarui Li, Jing Li, Chen Wei, Tal Laviv, Meiyi Dong, Jingran Lin, Mariah Calubag, Lesley A Colgan, Kai Jin, Bing Zhou, Ying Shen, Haohong Li, Yihui Cui, Zhihua Gao, Tao Li, Hailan Hu, Ryohei Yasuda, Huan Ma

Department of Neurology of Second Affiliated Hospital and Liangzhu Laboratory, School of Brain Science and Brain Medicine, Zhejiang University School of Medicine, Hangzhou, China. · pubmed

Paper

Abstract

Deciphering the complex interplay between neuronal activity and mitochondrial function is pivotal in understanding brain aging, a multifaceted process marked by declines in synaptic function and mitochondrial performance. Here, we identified an age-dependent coupling between neuronal and synaptic excitation and mitochondrial DNA transcription (E-TC

The following analysis is generated by AI and may contain errors. It is separate from the authors’ abstract and is not peer review.

Research summary

The paper addresses the relationship between neuronal activity and mitochondrial function, which is crucial for understanding the mechanisms of brain aging. By focusing on mitochondrial DNA transcription in the context of cognitive decline in aged mice, it contributes to the broader understanding of aging processes. However, while the findings are solid, they appear to be an incremental advance rather than a groundbreaking discovery, limiting their overall impact on the field of longevity research.

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