ArticleDelirium (Bielefeld, Germany)2026
Investigating Microtubule-Associated Protein 2 in the Study of Postoperative Delirium.
Article in Delirium (Bielefeld, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Background: This study explored potential associations between microtubule-associated protein 2 (MAP2), as a marker of neuronal stress, and postoperative delirium. Methods: Custom single-molecule immunoassays were used to measure MAP2 in serum collected from two small cohorts of older adults undergoing major cardiac surgery. An in vitro study of differentiated SH-SY5Y cells derived from a neuroblastoma cell line was performed to assess MAP2 secretion following exposure to acute glutamate stimulation. Results: Patients who experienced postoperative delirium within 3 days of surgery had increased MAP2 serum levels on postoperative day 1. Perioperative blood sampling revealed an increase in circulating MAP2 at the end of cardiopulmonary bypass that was sustained up to postoperative day 3 in patients who developed delirium. Differentiated SH-SY5Y cells exposed to high-dose glutamate showed increased MAP2 in conditioned media independent of changes in total cytosolic protein levels suggesting that extracellular stimuli may promote acute secretion of MAP2 without inducing cell rupture. Conclusion: Further studies exploring the MAP family as biomarkers of cognitive changes following surgery are warranted.
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