Reduced ULK1 Links Impaired Cellular Clearance to Alzheimer's Pathology

Despite recent therapeutic advances, the multifactorial nature of Alzheimer's disease (AD) continues to present a significant clinical challenge, making the search for effective disease-modifying treatments a priority [1]. A growing body of evidence suggests that impairments in fundamental cellular maintenance processes are central to AD pathogenesis [2, 3]. These processes include autophagy, the cell's system for degrading and recycling damaged proteins, and mitophagy, the specific removal of dysfunctional mitochondria [4, 5]. When these pathways falter, toxic proteins and damaged organelles accumulate, contributing to the neuronal stress and death characteristic of AD [5, 6]. Mitochondrial dysfunction, in particular, is a key factor in AD, impairing neuronal energy supply and increasing oxidative damage [5]. A recent study provides new molecular details on how a decline in a specific enzyme may connect age-related deficits in these housekeeping functions to the progression of AD.