{"id":405453,"date":"2025-11-26T07:36:16","date_gmt":"2025-11-26T07:36:16","guid":{"rendered":"https:\/\/www.europesays.com\/us\/405453\/"},"modified":"2025-11-26T07:36:16","modified_gmt":"2025-11-26T07:36:16","slug":"supplement-for-high-blood-pressure-clears-signs-of-alzheimers-in-mice-sciencealert","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/us\/405453\/","title":{"rendered":"Supplement For High Blood Pressure Clears Signs of Alzheimer&#8217;s in Mice : ScienceAlert"},"content":{"rendered":"<p>A build-up of sticky proteins in the brain is a key hallmark of <a href=\"https:\/\/www.sciencealert.com\/alzheimer-s-disease\" rel=\"nofollow noopener\" target=\"_blank\">Alzheimer&#8217;s<\/a>, thought to be closely linked to the disease&#8217;s progression. Now scientists have found a new way to clear these harmful clumps in the brains of mice and the eyes of fruit flies.<\/p>\n<p>This potentially promising  <a href=\"https:\/\/www.sciencealert.com\/go\/IaO\" class=\"lar_link lar_link_outgoing\" data-linkid=\"73015\" data-postid=\"182889\" rel=\"nofollow noopener\" target=\"_self\">Alzheimer&#8217;s<\/a> treatment involves an oral dose of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Arginine\" rel=\"nofollow noopener\" target=\"_blank\">arginine<\/a>, an amino acid already used as a medication for conditions including <a href=\"https:\/\/www.sciencealert.com\/cardiac-arrest-and-heart-attacks-arent-the-same-heres-how-to-tell-them-apart\" rel=\"nofollow noopener\" target=\"_blank\">chest pain<\/a> and <a href=\"https:\/\/www.sciencealert.com\/new-blood-pressure-guidelines-mean-you-may-now-have-hypertension\" rel=\"nofollow noopener\" target=\"_blank\">high blood pressure<\/a>.<\/p>\n<p>The discovery was made by a team from Kindai University and Japan&#8217;s National Institute of Neuroscience, who focused on the <a href=\"https:\/\/www.sciencealert.com\/one-of-our-biggest-hopes-for-alzheimers-treatment-doesnt-seem-to-work\" rel=\"nofollow noopener\" target=\"_blank\">amyloid-beta plaques<\/a> seen in Alzheimer&#8217;s disease.<\/p>\n<p>If the same results can be achieved in human brains, we may have another avenue for potentially tackling a <a href=\"https:\/\/www.sciencealert.com\/a-simple-new-compound-reverses-alzheimers-symptoms-in-rats\" rel=\"nofollow noopener\" target=\"_blank\">key molecular symptom<\/a> of Alzheimer&#8217;s \u2013 in a safe and easily applied way.<\/p>\n<p><strong>Related: <a href=\"https:\/\/www.sciencealert.com\/we-may-now-know-why-alzheimers-erases-memories-of-our-loved-ones\" rel=\"nofollow noopener\" target=\"_blank\">We May Now Know Why Alzheimer&#8217;s Erases Memories of Our Loved Ones<\/a><\/strong><\/p>\n<p>&#8220;Our study demonstrates that arginine can suppress amyloid-beta aggregation both in vitro and in vivo,&#8221; <a href=\"https:\/\/www.eurekalert.org\/news-releases\/1106825\" rel=\"nofollow noopener\" target=\"_blank\">says<\/a> neuroscientist Yoshitaka Nagai, from Kindai University.<\/p>\n<p>&#8220;What makes this finding exciting is that arginine is already known to be clinically safe and inexpensive, making it a highly promising candidate for repositioning as a therapeutic option for Alzheimer&#8217;s disease.&#8221;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2025\/11\/FlyModel.jpg\" alt=\"Fly model diagram\" width=\"642\" height=\"510\" class=\"wp-image-182892 size-full\"   loading=\"lazy\"\/>Arginine reduced amyloid-beta clumping (in green) in fruit fly models. (Fujii et al., Neurochem. Int., 2025)<\/p>\n<p>The researchers bred male mice with Alzheimer&#8217;s-like aggregations of amyloid-beta, then added arginine to the animals&#8217; drinking water.<\/p>\n<p>Arginine significantly <a href=\"https:\/\/www.sciencealert.com\/a-simple-new-compound-reverses-alzheimers-symptoms-in-rats\" rel=\"nofollow noopener\" target=\"_blank\">reduced the protein build-up<\/a> in the animals&#8217; brains and alleviated some of the related toxic effects.<\/p>\n<p>Mice given arginine also showed reduced behavioral abnormalities during tests and had less active neuroinflammatory genes.<\/p>\n<p>So the treatment may not be just scrubbing away the protein plaques; it could be reversing some of the harm being done to the brain, too.<\/p>\n<p>Further experiments in fruit flies and test tubes added to the evidence that arginine could possibly clear out amyloid-beta clumps and stop them from forming in the first place.<\/p>\n<p>Scientists already knew that arginine can act as a kind of chemical chaperone, <a href=\"https:\/\/doi.org\/10.1093\/brain\/awaa115\" rel=\"nofollow noopener\" target=\"_blank\">preventing the abnormal misfolding<\/a> and clumping of proteins, like those seen in Alzheimer&#8217;s disease. Animal studies also show arginine can <a href=\"https:\/\/doi.org\/10.1371\/journal.pone.0305318\" rel=\"nofollow noopener\" target=\"_blank\">cross the blood-brain barrier<\/a>, which is key for treating brain diseases.<\/p>\n<p>&#8220;Given its excellent safety profile and low cost, arginine could be rapidly translated to  <a href=\"https:\/\/www.sciencealert.com\/clinical-trials\" class=\"lar_link lar_link_outgoing\" data-linkid=\"73032\" data-postid=\"182889\" rel=\"nofollow noopener\" target=\"_self\">clinical trials<\/a> for Alzheimer&#8217;s and potentially other related disorders,&#8221; <a href=\"https:\/\/www.eurekalert.org\/news-releases\/1106825\" rel=\"nofollow noopener\" target=\"_blank\">says<\/a> Nagai.<\/p>\n<p>Before we get ahead of ourselves here, it&#8217;s important to note that the researchers used a relatively high dose of arginine in their animal tests, and more work needs to be done to figure out a safe treatment dose for humans.<\/p>\n<p><a href=\"https:\/\/www.sciencealert.com\/newsletter?utm_source=promo_generic_health\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2025\/11\/Generic-Health-Promo-Final-642x273.jpg\" alt=\"Subscribe to ScienceAlert's free fact-checked newsletter\" width=\"642\" height=\"273\" class=\"alignnone wp-image-182810 size-medium\"   loading=\"lazy\"\/><\/a><\/p>\n<p>And while mouse and fruit fly models are often good substitutes for human diseases, there&#8217;s no guarantee that these findings are going to carry over. The  <a href=\"https:\/\/www.sciencealert.com\/animal-testing\" class=\"lar_link lar_link_outgoing\" data-linkid=\"73085\" data-postid=\"182889\" rel=\"nofollow noopener\" target=\"_self\">animal testing<\/a> has produced encouraging results, and clinical trials can now be considered.<\/p>\n<p>Finally, there <a href=\"https:\/\/www.sciencealert.com\/one-of-our-biggest-hopes-for-alzheimers-treatment-doesnt-seem-to-work\" rel=\"nofollow noopener\" target=\"_blank\">remains some uncertainty<\/a> that clearing away amyloid-beta plaques can actually work as a way of treating Alzheimer&#8217;s. These clumps are definitely <a href=\"https:\/\/www.sciencealert.com\/here-s-where-alzheimer-s-plaques-might-really-come-from\" rel=\"nofollow noopener\" target=\"_blank\">harmful to neurons<\/a>, but it&#8217;s <a href=\"https:\/\/www.sciencealert.com\/new-blood-test-accurately-predicts-alzheimers-years-ahead-of-first-symptoms\" rel=\"nofollow noopener\" target=\"_blank\">still unclear<\/a> whether they&#8217;re helping to drive Alzheimer&#8217;s to begin with, or <a href=\"https:\/\/www.sciencealert.com\/newly-identified-proteins-may-explain-devastating-effects-of-alzheimers\" rel=\"nofollow noopener\" target=\"_blank\">signs of other mechanisms<\/a> <a href=\"https:\/\/www.sciencealert.com\/toxic-tiny-rna-molecules-identified-as-culprit-in-alzheimers-neuron-death\" rel=\"nofollow noopener\" target=\"_blank\">at work<\/a>.<\/p>\n<p>Even with those caveats though, it&#8217;s another encouraging step forward in our understanding of how Alzheimer&#8217;s works and how we might be able to tackle it \u2013 another promising treatment option to add <a href=\"https:\/\/www.sciencealert.com\/cancer-drugs-show-alzheimers-promise-in-mice\" rel=\"nofollow noopener\" target=\"_blank\">to an ever-growing list<\/a>.<\/p>\n<p>&#8220;Our findings open up new possibilities for developing arginine-based strategies for neurodegenerative diseases caused by protein misfolding and aggregation,&#8221; <a href=\"https:\/\/www.eurekalert.org\/news-releases\/1106825\" rel=\"nofollow noopener\" target=\"_blank\">says<\/a> Nagai.<\/p>\n<p>The research has been published in <a href=\"https:\/\/doi.org\/10.1016\/j.neuint.2025.106082\" rel=\"nofollow noopener\" target=\"_blank\">Neurochemistry International<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"A build-up of sticky proteins in the brain is a key hallmark of Alzheimer&#8217;s, thought to be closely&hellip;\n","protected":false},"author":3,"featured_media":405454,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[210,352,67,132,68],"class_list":{"0":"post-405453","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-health","8":"tag-health","9":"tag-msft-content","10":"tag-united-states","11":"tag-unitedstates","12":"tag-us"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@us\/115614855041873785","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/posts\/405453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/comments?post=405453"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/posts\/405453\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/media\/405454"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/media?parent=405453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/categories?post=405453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/us\/wp-json\/wp\/v2\/tags?post=405453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}