The complexity of the aging process, encompassing numerous organs and systems, poses a significant challenge in identifying and targeting key factors that drive age-related decline. The multi-organ synchronous molecular intricacies underlying natural aging remain elusive. Here we presented a data...
BACKGROUND: Protein undernutrition is prevalent mainly among elderly people, and it could develop diseases such as sarcopenia. Urinary metabolites may become biomarkers reflecting protein undernutrition, but this has been insufficiently investigated.
OBJECTIVE: