{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T21:46:02Z","timestamp":1790718362069,"version":"4.1.0"},"reference-count":33,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T00:00:00Z","timestamp":1718582400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001543","name":"Neurological Foundation of New Zealand","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001543","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["alz-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Alzheimer's &amp; Dementia"],"published-print":{"date-parts":[[2024,7]]},"abstract":"Abstract<\/jats:title>\n \n INTRODUCTION<\/jats:title>\n Tau aggregation into neurofibrillary tangles in Alzheimer's disease (AD) is a dynamic process involving changes in tau phosphorylation, isoform composition, and morphology. To facilitate studies of tangle maturity, we developed an image analysis pipeline to study antibody labeling signatures that can distinguish tangle maturity levels in AD brain tissue.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n Using fluorescent immunohistochemistry, we co\u2010labeled AD brain tissue with four antibodies that bind different tau epitopes. Mean fluorescence intensity of each antibody was measured, and spectral clustering was used to identify tangle immunophenotypes.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n Five distinct tangle populations were identified, and different tangle maturity immunophenotypes were identified with increasing Braak stage. Early tangle immunophenotypes were more prevalent in later affected regions and advanced immunophenotypes were associated with ghost morphology.<\/jats:p>\n <\/jats:sec>\n \n DISCUSSION<\/jats:title>\n Our findings indicate that tangle populations characterized by advanced tau immunophenotypes are associated with higher Braak stage and more mature morphology, providing a new framework for defining tangle maturity levels using tau antibody signatures.<\/jats:p>\n <\/jats:sec>\n \n Highlights<\/jats:title>\n \n \n \n Populations of neurofibrillary tangles exist in Alzheimer's disease.<\/jats:p>\n <\/jats:list-item>\n \n The immunophenotype of neurofibrillary tangle populations relates to their maturity.<\/jats:p>\n <\/jats:list-item>\n \n The most advanced immunophenotypes are associated with higher Braak stage.<\/jats:p>\n <\/jats:list-item>\n \n The most advanced immunophenotypes are associated with ghost morphology.<\/jats:p>\n <\/jats:list-item>\n \n The most immature immunophenotypes are associated with later affected regions.<\/jats:p>\n <\/jats:list-item>\n <\/jats:list>\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/alz.13922","type":"journal-article","created":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T07:35:26Z","timestamp":1718609726000},"page":"4803-4817","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Characterization of neurofibrillary tangle immunophenotype signatures to classify tangle maturity in Alzheimer's disease"],"prefix":"10.1002","volume":"20","author":[{"given":"Danica","family":"Hamlin","sequence":"first","affiliation":[{"name":"Department of Anatomy and Medical Imaging and Centre for Brain Research Faculty of Medical and Health Science University of Auckland Grafton Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cameron","family":"Ryall","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Medical Imaging and Centre for Brain Research Faculty of Medical and Health Science University of Auckland Grafton Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clinton","family":"Turner","sequence":"additional","affiliation":[{"name":"Department of Anatomical Pathology, LabPlus Auckland City Hospital Grafton Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard L. 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