{"id":3624,"date":"2020-10-20T12:16:52","date_gmt":"2020-10-20T19:16:52","guid":{"rendered":"https:\/\/keck.usc.edu\/news\/new-study-reveals-one-two-punch-of-symptoms-that-exacerbate-alzheimers\/"},"modified":"2023-11-19T12:41:43","modified_gmt":"2023-11-19T20:41:43","slug":"new-study-reveals-one-two-punch-of-symptoms-that-exacerbate-alzheimers","status":"publish","type":"post","link":"https:\/\/keck.usc.edu\/news\/new-study-reveals-one-two-punch-of-symptoms-that-exacerbate-alzheimers\/","title":{"rendered":"New study reveals one-two punch of symptoms that exacerbate Alzheimer\u2019s"},"content":{"rendered":"\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--article-hero \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--article-hero\"\n    \n      >\n\n    \n  <div class=\"text-container\">\n              \n<div class=\"f--field f--eyebrow\">\n\n    \n  <span>Press Release<\/span>\n\n\n\n<\/div>\n    \n              \n<div class=\"f--field f--page-title\">\n\n    \n  <h1>New study reveals one-two punch of symptoms that exacerbate Alzheimer\u2019s<\/h1>\n\n\n<\/div>\n    \n    \n          <div class=\"meta\">\n                  <span class=\"author\">Zara Greenbaum<\/span>\n        \n                  <span class=\"date\">October 20, 2020<\/span>\n              <\/div>\n    \n              \n<div class=\"f--field f--embed\">\n\n    \n  <div class=\"heateor_sss_sharing_container heateor_sss_horizontal_sharing\" data-heateor-ss-offset=\"0\" data-heateor-sss-href='https:\/\/keck.usc.edu\/news\/new-study-reveals-one-two-punch-of-symptoms-that-exacerbate-alzheimers\/'><div class=\"heateor_sss_sharing_ul\"><a aria-label=\"Facebook\" class=\"heateor_sss_facebook\" href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fkeck.usc.edu%2Fnews%2Fnew-study-reveals-one-two-punch-of-symptoms-that-exacerbate-alzheimers%2F\" title=\"Facebook\" rel=\"nofollow noopener\" target=\"_blank\" 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11.903 5 10.826c0-1.08.382-1.993 1.146-2.738L8.128 6.12C8.873 5.372 9.785 5 10.864 5c1.087 0 2.004.382 2.75 1.146l2.777 2.79c.75.747 1.12 1.66 1.12 2.737 0 1.105-.392 2.045-1.183 2.817l1.186 1.186c.774-.79 1.708-1.186 2.805-1.186 1.078 0 1.995.377 2.75 1.132l2.804 2.804c.754.755 1.13 1.672 1.13 2.75z\"\/><\/svg><\/span><\/a><\/div><div class=\"heateorSssClear\"><\/div><\/div>\n\n\n<\/div>\n        \n  <\/div>\n\n          \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img\n                            data-src=\"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/J-Neuroscience-Image-768x432.png\"\n          data-srcset=\"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/J-Neuroscience-Image-768x432.png 768w\"          data-sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"          class=\"lazyload\"\n        \n        alt=\"J-Neuroscience-Image\"\n        \n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n  \n\n  <\/div><\/div>\n\r\n\r\n\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text white\"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n  <div class=\"inner-wrapper\">\n        \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <p>(Originally published at <a href=\"https:\/\/hscnews.usc.edu\/new-study-reveals-one-two-punch-of-symptoms-that-exacerbate-alzheimers\">HSC News<\/a>.)\u00a0<\/p>\n<p>A new Alzheimer\u2019s disease study found that impaired blood flow in the brain is correlated with the buildup of tau tangles, a hallmark indicator of cognitive decline.<\/p>\n<p>The work, published in the\u00a0<a href=\"https:\/\/www.jneurosci.org\/content\/early\/2020\/10\/09\/JNEUROSCI.1230-20.2020\" target=\"_blank\" rel=\"noopener noreferrer\">Journal of Neuroscience<\/a>, suggests that treatments targeting vascular health in the brain \u2014 as well as amyloid plaques and tau tangles \u2014 may be more effective in preserving memory and cognitive function than single-target therapies.<\/p>\n<p>\u201cThis study confirms that we should carefully consider vascular health and associated risk factors \u2014 like high blood pressure, smoking and physical inactivity \u2014 in the course of Alzheimer\u2019s prevention,\u201d said\u00a0<a href=\"https:\/\/keck.usc.edu\/faculty-search\/judy-pa\/\" target=\"_blank\" rel=\"noopener noreferrer\">Judy Pa, PhD<\/a>, associate professor of neurology at the Keck School of Medicine of USC\u2019s Mark and Mary Stevens Neuroimaging and Informatics Institute (INI) and the study\u2019s senior author.<\/p>\n<p>Researchers wanted to understand how restricted blood flow in the brain relates to the buildup of tau proteins characteristic of Alzheimer\u2019s disease. To do so, the team examined MRI and PET images, as well as cerebrospinal fluid, among two groups: cognitively normal individuals and those at various stages of dementia, including mild cognitive impairment and Alzheimer\u2019s disease.<\/p>\n<p>Pa and her colleagues found that those with a strong overlap between vascular dysfunction and tau pathology in key Alzheimer\u2019s brain regions had the worse cognitive symptoms.<\/p>\n<p>\u201cThis connection was most pronounced among those in more advanced stages of the disease, suggesting that the pathway corresponds to cognitive decline over time,\u201d Pa said.<\/p>\n<p>That finding is particularly important because it suggests the pathway could be a useful biological marker for measuring Alzheimer\u2019s progression in patients. The effect was also most pronounced in amyloid-positive individuals, pointing to a relationship between cerebrovascular, tau and amyloid pathologies.<\/p>\n<p>The research team included a group of experts from the INI and across the Keck School\u2019s departments of neurology, radiology and physiology and neuroscience. Future steps include evaluating how the synergy between these pathologies relates to cognitive decline over time.<\/p>\n<p>\u201cWe\u2019re now starting to fully appreciate the role of vascular dysfunction in Alzheimer\u2019s disease,\u201d said\u00a0<a href=\"https:\/\/keck.usc.edu\/faculty-search\/arthur-w-toga\/\" target=\"_blank\" rel=\"noopener noreferrer\">Arthur W. Toga, PhD<\/a>, a coauthor of the study and director of the INI. \u201cControlling risk factors like smoking and high blood pressure are accessible lifestyle modifications that offer hope for those at risk.\u201d<\/p>\n<p><em>In addition to Pa and Toga, the study\u2019s authors are Daniel Albrecht (lead author), Kay Jann, Lisette Isenberg, Teresa Monreal and Joy Stradford of the INI; Berislav Zlokovic, Abhay Sagare, Maricarmen Pachicano and Melanie Sweeney of the USC Zilkha Neurogenetic Institute; Helena Chui, Elizabeth Joe and Lon Schneider of the USC Alzheimer Disease Research Center; and Peter Conti of the USC Molecular Imaging Center.<\/em><\/p>\n<p><em>The study was supported with grants from the National Institute of Health (R01AG046928, R01AG054617, P01AG052350 and P50AG005142), the Alzheimer\u2019s Association (strategic 509279 grant) and the Leducq Foundation Translational Network of Excellence for the Study of Perivascular Spaces in Small Vessel Disease (reference no. 16 CVD 05).<\/em><\/p>\n\n\n\n<\/div>\n  <\/div>\n\n\n  <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":167,"featured_media":3625,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[169,78],"class_list":["post-3624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-release","tag-latest","tag-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>New study reveals one-two punch of symptoms that exacerbate Alzheimer\u2019s<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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