ArticleJournal of neuropathology and experimental neurology2026
Cortical subpial aging-related tau astrogliopathy in older adult men who participated in youth amateur American-style football.
Article in Journal of neuropathology and experimental neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Astrocytes play essential roles in various functions including ionic homeostasis, energy metabolism, neurotransmission, and regulation of the blood-brain barrier. Researchers have reported that hyperphosphorylated tau in astrocytes can be identified in postmortem, particularly in individuals over the age of 60 years. Astrocytic p-tau has also been reported in association with chronic traumatic encephalopathy neuropathologic change (CTE-NC). This study investigates possible association between subpial aging-related tau astrogliopathy (ARTAG) and a history of playing high school American-style football. Postmortem brain tissue samples were obtained from 176 men (median age at death = 65 years; range = 50-96) from the Lieber Institute for Brain Development. There were 128 with no known history of participating in contact or collision sports and 48 (27.3%) who participated in football. Subpial ARTAG was identified in 23 cases (13.1%). Those who participated in football had a higher percentage with subpial ARTAG than those who did not participate in football (20.8% vs 10.2%), although this difference was not statistically significant (P =.061). The 2 groups did not differ in the percentages who had subpial ARTAG in a sulcal depth (10.4% of former football players and 7.8% of controls). More research is needed to understand possible associations between subpial ARTAG, aging, and CTE-NC.
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