Age-related inflammatory changes and perineuronal net dynamics: implications for aging.
Abstract
Healthy aging alone can lead to cognitive decline, decreased brain size, protein aggregation, accumulation of senescent cells and neuroinflammation. Furthermore, age is the primary risk factor for several neurodegenerative disorders such as Parkinson's and Alzheimer's disease. Age-related neuroinflammation, as known as inflammaging, is thought to restrict brain plasticity. Perineuronal nets (PNNs), specialized extracellular matrix structures surrounding fast-spiking parvalbumin (PV) interneurons, regulate plasticity and protect neurons from oxidative stress. Given the known impact of inflammaging on neural circuits, this study examines age-associated changes in PNN homeostasis, glial activation, and neuroinflammation in two brain regions relevant to age-related neurodegenerative diseases.
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 claims that age-related inflammatory changes affect perineuronal net dynamics, which in turn impacts brain plasticity and neurodegeneration. This research is relevant as it explores the underlying mechanisms of aging and neuroinflammation, contributing to our understanding of age-related cognitive decline and potential interventions.
Author of this paper? Send a correction.