{"id":10079,"date":"2024-08-01T07:14:29","date_gmt":"2024-08-01T12:14:29","guid":{"rendered":"https:\/\/ibio.org\/?p=10079"},"modified":"2024-08-01T07:14:29","modified_gmt":"2024-08-01T12:14:29","slug":"uiuc-researchers-pioneer-new-method-for-brain-imaging-in-alzheimers-disease","status":"publish","type":"post","link":"https:\/\/ibio.org\/uiuc-researchers-pioneer-new-method-for-brain-imaging-in-alzheimers-disease\/","title":{"rendered":"UIUC Researchers Pioneer New Method for Brain Imaging in Alzheimer&#8217;s Disease"},"content":{"rendered":"<p>A team of researchers at the University of Illinois Urbana-Champaign (UIUC) has made a significant breakthrough in brain imaging technology that could revolutionize the diagnosis and treatment of Alzheimer&#8217;s disease. The study, published on July 31, 2024, in <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acscentsci.4c00563\">ACS Central Science<\/a>, demonstrates a novel approach to delivering fluorescent sensors across the blood-brain barrier (BBB), allowing for improved detection of neurotransmitter levels in the brain.<\/p>\n<p>Led by Professor Yi Lu, the research team developed a method to package DNA aptamer sensors into brain cell-derived exosomes. These microscopic vesicles can efficiently cross the BBB, overcoming a major hurdle in brain imaging. The sensors are designed to detect adenosine triphosphate (ATP), a neurotransmitter whose levels can indicate the presence of Alzheimer&#8217;s disease.<\/p>\n<p>The study&#8217;s findings are particularly promising for several reasons:<\/p>\n<ol>\n<li>Improved delivery: The exosome-packaged sensors were nearly four times more efficient at crossing the BBB compared to conventional delivery systems.<\/li>\n<li>Targeted accumulation: Unlike free-floating sensors that primarily remained in the blood and organs, the exosome-delivered sensors successfully accumulated in the brain.<\/li>\n<li>High-resolution imaging: The method allowed researchers to identify the location and concentration of ATP in different brain regions of live mice with high spatial resolution.<\/li>\n<li>Disease detection: In mouse models of Alzheimer&#8217;s disease, the sensors revealed decreased ATP levels in key brain areas associated with the condition, including the hippocampus, cortex, and subiculum.<\/li>\n<\/ol>\n<p>This breakthrough has significant implications for Alzheimer&#8217;s research and potential clinical applications. The ability to non-invasively image neurotransmitter levels in live brains could lead to earlier diagnosis, more effective treatment monitoring, and a better understanding of the disease&#8217;s progression.<\/p>\n<p>Professor Lu and his team envision that this technology could be adapted to create sensors for a wide range of clinically relevant neurotransmitters, opening up new avenues for brain research and neurological disease diagnosis.<\/p>\n<p>The research was supported by funding from the U.S. National Institutes of Health, the Welch Foundation, and the National Science Foundation.<\/p>\n<p>As this technology continues to develop, it may offer new hope for millions of people affected by Alzheimer&#8217;s disease and other neurological disorders, potentially transforming how we approach brain health and neurodegenerative disease management.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A team of researchers at the University of Illinois Urbana-Champaign (UIUC) has made a significant breakthrough in brain imaging technology that could revolutionize the diagnosis and treatment of Alzheimer&#8217;s disease. The study, published on July 31, 2024, in ACS Central Science, demonstrates a novel approach to delivering fluorescent sensors across the blood-brain barrier (BBB), allowing [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":10081,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[526],"tags":[253,121,622],"class_list":["post-10079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-newsbrief","tag-alzheimers","tag-illinois","tag-imaging"],"_links":{"self":[{"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/posts\/10079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/comments?post=10079"}],"version-history":[{"count":2,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/posts\/10079\/revisions"}],"predecessor-version":[{"id":10082,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/posts\/10079\/revisions\/10082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/media\/10081"}],"wp:attachment":[{"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/media?parent=10079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/categories?post=10079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibio.org\/wp-json\/wp\/v2\/tags?post=10079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}