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Together, these data point to the importance of locally-produced, non-neuronal sources of both NE and DA for catecholamine signaling in - and -cells 6,7,32,33

Copper-Mediated Pathways: Research has explored its role as a copper-binding tripeptide in cellular signalling, antioxidant defence, and collagen-related biological models

Loren Pickart, who observed that albumin from young human plasma promoted liver tissue regeneration in older cells while albumin from older donors did not

In healthy adults, its activity declines with age, contributing to the progressive loss of synaptic density and cognitive flexibility that most people experience starting in their 40s and 50s