{"id":2044342,"date":"2026-07-15T08:57:16","date_gmt":"2026-07-15T05:57:16","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=2044342"},"modified":"2026-07-15T08:57:16","modified_gmt":"2026-07-15T05:57:16","slug":"un-test-de-sange-poate-estima-riscul-de-alzheimer-cu-pana-la-10-ani-inainte","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=2044342","title":{"rendered":"Un test de s\u00e2nge poate estima riscul de Alzheimer cu p\u00e2n\u0103 la 10 ani \u00eenainte"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/www.tion.ro\/wp-content\/uploads\/2026\/07\/+otf\/1200&#215;630\/gr496__oxgzrzAbgl5rMbRE5PVF9WRVJZX1NFQ0Ezk5OrrdWiACfLRTKrCwvAnoicOLfX9Ve9+4bxznSR4iANOl8E__WtywhlHUN5hLjTyushcmJBrMPgtaWYRB8g=\/4101033pexelscristianrojas8460340-scaled.jpg&#8221;]<\/p>\n<article id=\"post-2316177\" class>\n<div class=\"entry-content clearfix\">\n<div class=\"enewsArticleContent\">\n<p>Un test de s\u00e2nge deja disponibil, denumit <strong>p-tau217<\/strong>, poate identifica cu acurate\u021be persoanele aparent s\u0103n\u0103toase care prezint\u0103 un risc ridicat de a dezvolta boala Alzheimer \u00een urm\u0103torii cinci sau chiar zece ani, arat\u0103 un nou studiu realizat de cercet\u0103tori de la Institutul de Neuro\u0219tiin\u021be General Brigham din Massachusetts, relateaz\u0103 CNN \u0219i AP News.<\/p>\n<p>Rezultatele au fost publicate \u00een revista \u0219tiin\u021bific\u0103 JAMA \u0219i prezentate la Conferin\u021ba Interna\u021bional\u0103 a Asocia\u021biei Alzheimer, desf\u0103\u0219urat\u0103 la Londra.<\/p>\n<p>Potrivit cercet\u0103torilor, testul de s\u00e2nge s-a dovedit la fel de eficient \u00een detectarea modific\u0103rilor asociate bolii precum metodele considerate p\u00e2n\u0103 acum standard, dar mult mai costisitoare \u0219i invazive, cum sunt scan\u0103rile PET sau punc\u021biile lombare. Testul m\u0103soar\u0103 nivelul proteinei fosforilate tau 217 (p-tau217), un biomarker care poate indica prezen\u021ba pl\u0103cilor de beta-amiloid din creier, caracteristice bolii Alzheimer.<\/p>\n<p>De\u0219i testul poate estima riscul de apari\u021bie a bolii, \u00een prezent nu exist\u0103 tratamente care s\u0103 opreasc\u0103 evolu\u021bia acesteia. Medicii recomand\u0103 persoanelor aflate la risc s\u0103 adopte un stil de via\u021b\u0103 s\u0103n\u0103tos, care include odihn\u0103 suficient\u0103, alimenta\u021bie echilibrat\u0103 \u0219i activitate fizic\u0103 regulat\u0103.<\/p>\n<p>\u00cen cadrul studiului, cercet\u0103torii au observat c\u0103 adul\u021bii \u00een v\u00e2rst\u0103 f\u0103r\u0103 simptome de declin cognitiv, dar cu valori foarte ridicate ale biomarkerului p-tau217, aveau un risc de 38% de a dezvolta tulbur\u0103ri cognitive \u00een urm\u0103torii cinci ani. Dup\u0103 zece ani, probabilitatea cre\u0219tea la 78%.<\/p>\n<p>Speciali\u0219tii explic\u0103 faptul c\u0103 pl\u0103cile de beta-amiloid se pot acumula \u00een creier cu zeci de ani \u00eenainte de apari\u021bia primelor simptome, inclusiv la persoane cu v\u00e2rste \u00eentre 30 \u0219i 40 de ani. Pe m\u0103sur\u0103 ce aceste depozite cresc, proteina tau \u00eencepe s\u0103 se acumuleze \u00een interiorul neuronilor, afect\u00e2nd func\u021bionarea \u0219i duc\u00e2nd, \u00een timp, la moartea celulelor nervoase.<\/p>\n<p>Autorii studiului subliniaz\u0103 c\u0103 testul nu este recomandat, deocamdat\u0103, ca metod\u0103 de screening pentru persoanele f\u0103r\u0103 simptome. \u00cen schimb, acesta ar putea fi utilizat \u00een evaluarea pacien\u021bilor care prezint\u0103 primele semne de declin cognitiv \u0219i ar putea accelera dezvoltarea unor noi tratamente, prin identificarea timpurie a persoanelor eligibile pentru studii clinice.<\/p>\n<p>Cercetarea reune\u0219te date din \u0219ase studii observa\u021bionale \u0219i clinice desf\u0103\u0219urate \u00een Australia, America de Nord \u0219i Japonia. Aproape 2.700 de adul\u021bi \u00een v\u00e2rst\u0103, f\u0103r\u0103 simptome de afectare cognitiv\u0103, au fost evalua\u021bi prin teste de s\u00e2nge \u0219i scan\u0103ri PET la \u00eenceputul studiilor \u0219i monitoriza\u021bi timp de p\u00e2n\u0103 la 21 de ani. Pe parcursul perioadei de urm\u0103rire, 478 dintre participan\u021bi au dezvoltat deficien\u021be cognitive.<\/p>\n<div class=\"fbShareLikeTwitterAndEmailContainer\">\n<div class=\"wrapper\">\n<div class=\"email\">\n<div id=\"mailto-pop\" class=\"pop-form pop-form-mailto\">\n<div class=\"pop-form-header\">\n<h4>Trimite articolul<\/h4>\n<p><a class=\"pop-form-close\">X<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"tagsContainer\">\n<div class=\"tagsLabel\">Taguri:<\/div>\n<div class=\"tags\">\n<div class=\"tag\"><a href=\"https:\/\/www.tion.ro\/cimke\/alzheimer\" rel=\"tag\"><span class=\"link\">Alzheimer<\/span><span class=\"separator\">,<\/span><\/a><\/div>\n<div class=\"tag\"><a href=\"https:\/\/www.tion.ro\/cimke\/test-sange\" rel=\"tag\"><span class=\"link\">test sange<\/span><\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"comments\">\n<div class=\"top\">\n<div class=\"commentsNumber\"><span class=\"number\">0<\/span><span class=\"text\">Comentarii<\/span><\/div>\n<\/div>\n<div class=\"center\">\n<div id=\"respond\" class=\"comment-respond\">\n<h3 id=\"reply-title\" class=\"comment-reply-title\"><small><a rel=\"nofollow\" id=\"cancel-comment-reply-link\" href=\"https:\/\/www.tion.ro\/mapamond\/un-test-de-sange-poate-estima-riscul-de-alzheimer-cu-pana-la-10-ani-inainte-2316177\/#respond\">Cancel reply<\/a><\/small><\/h3>\n<p class=\"comment-notes\"><span id=\"email-notes\">Your email address will not be published.<\/span><span class=\"required-field-message\">Required fields are marked <span class=\"required\">*<\/span><\/span><\/p>\n<p class=\"commentFormComment\"><span id=\"commentFormCount\"><br \/>\n                            inca<br \/>\n                            <span id=\"countCommentText\">1000<\/span><br \/>\n                            caractere ramase<br \/>\n                        <\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"bottom\">\n<p class=\"forumDisclaimerHuRo\">\n            Citi\u021bi principiile noastre de moderare <a href=\"https:\/\/www.tion.ro\/reguli-postare-comentarii\/\" target=\"_blank\">aici<\/a>!\n        <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"entry-content clearfix\">\n<div class=\"enewsArticleContent\">\n<p>Un test de s\u00e2nge deja disponibil, denumit <strong>p-tau217<\/strong>, poate identifica cu acurate\u021be persoanele aparent s\u0103n\u0103toase care prezint\u0103 un risc ridicat de a dezvolta boala Alzheimer \u00een urm\u0103torii cinci sau chiar zece ani, arat\u0103 un nou studiu realizat de cercet\u0103tori de la Institutul de Neuro\u0219tiin\u021be General Brigham din Massachusetts, relateaz\u0103 CNN \u0219i AP News.<\/p>\n<p>Rezultatele au fost publicate \u00een revista \u0219tiin\u021bific\u0103 JAMA \u0219i prezentate la Conferin\u021ba Interna\u021bional\u0103 a Asocia\u021biei Alzheimer, desf\u0103\u0219urat\u0103 la Londra.<\/p>\n<p>Potrivit cercet\u0103torilor, testul de s\u00e2nge s-a dovedit la fel de eficient \u00een detectarea modific\u0103rilor asociate bolii precum metodele considerate p\u00e2n\u0103 acum standard, dar mult mai costisitoare \u0219i invazive, cum sunt scan\u0103rile PET sau punc\u021biile lombare. Testul m\u0103soar\u0103 nivelul proteinei fosforilate tau 217 (p-tau217), un biomarker care poate indica prezen\u021ba pl\u0103cilor de beta-amiloid din creier, caracteristice bolii Alzheimer.<\/p>\n<p>De\u0219i testul poate estima riscul de apari\u021bie a bolii, \u00een prezent nu exist\u0103 tratamente care s\u0103 opreasc\u0103 evolu\u021bia acesteia. Medicii recomand\u0103 persoanelor aflate la risc s\u0103 adopte un stil de via\u021b\u0103 s\u0103n\u0103tos, care include odihn\u0103 suficient\u0103, alimenta\u021bie echilibrat\u0103 \u0219i activitate fizic\u0103 regulat\u0103.<\/p>\n<p>\u00cen cadrul studiului, cercet\u0103torii au observat c\u0103 adul\u021bii \u00een v\u00e2rst\u0103 f\u0103r\u0103 simptome de declin cognitiv, dar cu valori foarte ridicate ale biomarkerului p-tau217, aveau un risc de 38% de a dezvolta tulbur\u0103ri cognitive \u00een urm\u0103torii cinci ani. Dup\u0103 zece ani, probabilitatea cre\u0219tea la 78%.<\/p>\n<p>Speciali\u0219tii explic\u0103 faptul c\u0103 pl\u0103cile de beta-amiloid se pot acumula \u00een creier cu zeci de ani \u00eenainte de apari\u021bia primelor simptome, inclusiv la persoane cu v\u00e2rste \u00eentre 30 \u0219i 40 de ani. Pe m\u0103sur\u0103 ce aceste depozite cresc, proteina tau \u00eencepe s\u0103 se acumuleze \u00een interiorul neuronilor, afect\u00e2nd func\u021bionarea \u0219i duc\u00e2nd, \u00een timp, la moartea celulelor nervoase.<\/p>\n<p>Autorii studiului subliniaz\u0103 c\u0103 testul nu este recomandat, deocamdat\u0103, ca metod\u0103 de screening pentru persoanele f\u0103r\u0103 simptome. \u00cen schimb, acesta ar putea fi utilizat \u00een evaluarea pacien\u021bilor care prezint\u0103 primele semne de declin cognitiv \u0219i ar putea accelera dezvoltarea unor noi tratamente, prin identificarea timpurie a persoanelor eligibile pentru studii clinice.<\/p>\n<p>Cercetarea reune\u0219te date din \u0219ase studii observa\u021bionale \u0219i clinice desf\u0103\u0219urate \u00een Australia, America de Nord \u0219i Japonia. Aproape 2.700 de adul\u021bi \u00een v\u00e2rst\u0103, f\u0103r\u0103 simptome de afectare cognitiv\u0103, au fost evalua\u021bi prin teste de s\u00e2nge \u0219i scan\u0103ri PET la \u00eenceputul studiilor \u0219i monitoriza\u021bi timp de p\u00e2n\u0103 la 21 de ani. Pe parcursul perioadei de urm\u0103rire, 478 dintre participan\u021bi au dezvoltat deficien\u021be cognitive.<\/p>\n<div class=\"fbShareLikeTwitterAndEmailContainer\">\n<div class=\"wrapper\">\n<div class=\"email\">\n<div id=\"mailto-pop\" class=\"pop-form pop-form-mailto\">\n<div class=\"pop-form-header\">\n<h4>Trimite articolul<\/h4>\n<p><a class=\"pop-form-close\">X<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"tagsContainer\">\n<div class=\"tagsLabel\">Taguri:<\/div>\n<div class=\"tags\">\n<div class=\"tag\"><a href=\"https:\/\/www.tion.ro\/cimke\/alzheimer\" rel=\"tag\"><span class=\"link\">Alzheimer<\/span><span class=\"separator\">,<\/span><\/a><\/div>\n<div class=\"tag\"><a href=\"https:\/\/www.tion.ro\/cimke\/test-sange\" rel=\"tag\"><span class=\"link\">test sange<\/span><\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"comments\">\n<div class=\"top\">\n<div class=\"commentsNumber\"><span class=\"number\">0<\/span><span class=\"text\">Comentarii<\/span><\/div>\n<\/div>\n<div class=\"center\">\n<div id=\"respond\" class=\"comment-respond\">\n<h3 id=\"reply-title\" class=\"comment-reply-title\"><small><a rel=\"nofollow\" id=\"cancel-comment-reply-link\" href=\"https:\/\/www.tion.ro\/mapamond\/un-test-de-sange-poate-estima-riscul-de-alzheimer-cu-pana-la-10-ani-inainte-2316177\/#respond\">Cancel reply<\/a><\/small><\/h3>\n<p class=\"comment-notes\"><span id=\"email-notes\">Your email address will not be published.<\/span><span class=\"required-field-message\">Required fields are marked <span class=\"required\">*<\/span><\/span><\/p>\n<p class=\"commentFormComment\"><span id=\"commentFormCount\"><br \/>\n                            inca<br \/>\n                            <span id=\"countCommentText\">1000<\/span><br \/>\n                            caractere ramase<br \/>\n                        <\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"bottom\">\n<p class=\"forumDisclaimerHuRo\">\n            Citi\u021bi principiile noastre de moderare <a href=\"https:\/\/www.tion.ro\/reguli-postare-comentarii\/\" target=\"_blank\">aici<\/a>!\n        <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[analyse_source url=&#8221;https:\/\/www.tion.ro\/mapamond\/un-test-de-sange-poate-estima-riscul-de-alzheimer-cu-pana-la-10-ani-inainte-2316177\/&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/www.tion.ro\/wp-content\/uploads\/2026\/07\/+otf\/1200&#215;630\/gr496__oxgzrzAbgl5rMbRE5PVF9WRVJZX1NFQ0Ezk5OrrdWiACfLRTKrCwvAnoicOLfX9Ve9+4bxznSR4iANOl8E__WtywhlHUN5hLjTyushcmJBrMPgtaWYRB8g=\/4101033pexelscristianrojas8460340-scaled.jpg&#8221;] Un test de s\u00e2nge deja disponibil, denumit p-tau217, poate identifica cu acurate\u021be persoanele aparent s\u0103n\u0103toase care prezint\u0103 un risc ridicat de a dezvolta boala Alzheimer \u00een urm\u0103torii cinci sau chiar zece ani, arat\u0103 un nou studiu realizat de cercet\u0103tori de la Institutul de Neuro\u0219tiin\u021be General Brigham din Massachusetts, relateaz\u0103 CNN \u0219i AP [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[226,191],"class_list":["post-2044342","post","type-post","status-publish","format-standard","hentry","category-romania","tag-crawlmanager","tag-tion-ro"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2044342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2044342"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2044342\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2044342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2044342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2044342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}