{"id":12175,"date":"2021-01-25T09:30:00","date_gmt":"2021-01-25T11:30:00","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=12175"},"modified":"2023-05-22T11:11:05","modified_gmt":"2023-05-22T14:11:05","slug":"molecular-control-knob-brain","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/et\/molekulaar-juhtimisnupp-aju\/","title":{"rendered":"\"Molekulaarne kontrollnupp\" ajus, mis aitab \u00f5ppimisel ja m\u00e4lu s\u00e4ilitamisel"},"content":{"rendered":"<p>Igal masinal on juhtpaneel erinevate funktsioonide, eriti sisse- ja v\u00e4ljal\u00fclitusmehhanismi juhtimiseks. <\/p>\n\n\n\n<p>Kas olete kunagi m\u00f5elnud, kas meie aju on ka selline, kus saab kontrollida aju funktsioone? <\/p>\n\n\n\n<p>Noh, uued uuringud viitavad \"mahu molekulaarsele nupule \", mis reguleerib elektrilisi signaale ajus \u00f5ppimise ja eriti m\u00e4lu puhul. <\/p>\n\n\n\n<p>See v\u00f5ib olla peamine l\u00fclitusmehhanism, mis v\u00f5ib olla n\u00e4rvih\u00e4irete puhul m\u00e4nguvahetuseks.<\/p>\n\n\n\n<p>Michael Hoppa ja tema meeskonna avaldatud uurimus viitab sellele, kuidas elektriliste signaalide reguleerimine v\u00f5ib m\u00e4ngida olulist rolli. Uuringus keskenduti signaali reguleerivate molekulide tuvastamisele.<\/p>\n\n\n\n<p>UURIMUSE ALUSEKS OLEV M\u00d5TE<\/p>\n\n\n\n<p>S\u00fcnapsid on \u00fchenduskohad, kus elektrilised signaalid edastatakse n\u00e4rvirakkude vahel. <\/p>\n\n\n\n<p>Aju muudab need elektrilised signaalid keemilisteks neurotransmitteriteks, mis liiguvad l\u00e4bi s\u00fcnaptil\u00f5hede. T\u00f6\u00f6r\u00fchm kirjeldas, kuidas elektriliste signaalide kuju soodustab s\u00fcnapside toimimist. <\/p>\n\n\n\n<p>Neurotransmissiooni k\u00e4igus aktiveeritud neuronitel on erinevad mustrid. <\/p>\n\n\n\n<p>Need muutused kujus ja arvus p\u00f5hjustavad s\u00fcnapside tugevnemist v\u00f5i n\u00f5rgenemist (mida nimetatakse ka s\u00fcnaptiliseks plastilisuseks). <\/p>\n\n\n\n<p>Kui s\u00fcnapsi m\u00f5lemas otsas asuvad ajurakud vahetavad pidevalt keemilisi signaale, tekib pikaajaline potentsiatsioon (LTP). <\/p>\n\n\n\n<p>See LTP suurendab rakkude ja s\u00fcnapside vahelist signalisatsiooni ning viib ka s\u00fcnapside tugevnemisele. See LTP on aluseks \u00f5ppimisele ja m\u00e4lestustele ajus kohas, mida nimetatakse hipokampuseks.<\/p>\n\n\n\n<p>Teadlased keskendusid oma uuringus aju hipokampuse piirkonnale. Nad leidsid, et s\u00fcnapsi kaudu edastatavad signaalid selles piirkonnas olid analoogilised. <\/p>\n\n\n\n<p>Meeskond avastas, et elektrilised signaalid ehk \"piigid\" edastati analoogsignaalide, mitte digitaalsignaalide kujul. <\/p>\n\n\n\n<p>See avastus sillutas nende teed mehhanismi selgemaks m\u00f5istmiseks. Need analoogsignaalid lihtsustasid ajuahela tugevuse reguleerimist.<\/p>\n\n\n\n<p>Leiti ka molekul, mis reguleerib neid elektrilisi signaale. Molekul Kv\u03b21 laiendas pres\u00fcnaptilist tegevust. <\/p>\n\n\n\n<p>See molekul mitte ainult ei reguleeri kaaliumivoolu, vaid aitab ka elektrilisi signaale kujundada. <\/p>\n\n\n\n<p>Kui nad varem katse l\u00e4bi viisid, v\u00e4listasid nad hiirtel Kv\u03b21 molekuli. Peagi n\u00e4itasid tulemused vastupidist reaktsiooni, hiirte une- ja m\u00e4luts\u00fcklile oli drastiline m\u00f5ju. <\/p>\n\n\n\n<p>See kinnitas molekuli positiivset toimet s\u00fcsteemis.<\/p>\n\n\n\n<p>Peale selle paljastavad nende uuringud ka seda, kuidas \u00fcks elektriline impulss v\u00f5ib transportida mitut bitti informatsiooni, mis v\u00f5imaldab rohkem kontrolli madalate sageduste signaalide \u00fcle. <\/p>\n\n\n\n<p>See t\u00e4hendab, et meie aju on palju t\u00f5husam, kui v\u00f5ib ette kujutada. Tehniliselt t\u00e4idab meie aju \u00fcliarvutuslikke \u00fclesandeid madala elektrisignaaliga. <\/p>\n\n\n\n<p>Nende uurimist\u00f6\u00f6 v\u00f5imaldas m\u00f5\u00f5ta pinge ja neurotransmitterit valguse abil, mis omakorda m\u00f5\u00f5tis elektrilisi signaale s\u00fcnaptilistes \u00fchenduskohtades. <\/p>\n\n\n\n<p>See muutis perspektiivi ja laiendas molekulaarseid regulaatoreid k\u00e4sitlevate uuringute ulatust, mis m\u00e4ngivad olulist rolli ajutegevuses.<\/p>\n\n\n\n<p>See avastus v\u00f5imaldab ravimite jaoks t\u00e4iesti uut teed. See v\u00f5ib viia uue ravimi manustamise avastamiseni dementsuse v\u00f5i Alzheimeri t\u00f5ve korral. <\/p>\n\n\n\n<p>Molekulaarsed regulaatorid v\u00f5ivad olla v\u00f5ti t\u00e4ieliku aju v\u00f5imekuse kasutamiseks. Paljud neuroloogilised haigused oleksid ravitavad, kui leitakse \u00f5ige aju ainevahetuse rada. <\/p>\n\n\n\n<p>Nagu \u00f6eldakse, et \u00f5ppimine ei ammendata kunagi m\u00f5istust, see on j\u00f5ud, mis v\u00f5ib muuta maailma. See avastus viib kahtlemata t\u00e4iesti uuele tasemele \u00f5ppimise ja v\u00f5imu hoidmise juurde.<\/p>\n\n\n\n<p>Kui soovite rohkem teada nende uurimist\u00f6\u00f6 kohta, vaadake allpool toodud viidet.<\/p>\n\n\n\n<p>Viide :<\/p>\n\n\n\n<p>In Ha Cho, Lauren C. Panzera, Morven Chin, Scott A. Alpizar, Genaro E. Olveda, Robert A. Hill, Michael B. Hoppa. Kaaliumkanali Kv\u03b21 all\u00fcksus toimib s\u00fcnaptilise h\u00f5lbustamise peamise kontrollpunktina. Proceedings of the National Academy of Sciences, 2020; 202000790.<\/p>\n\n\n\n<p>DOI: 10.1073\/pnas.2000790117<\/p>","protected":false},"excerpt":{"rendered":"<p>Igal masinal on juhtpaneel erinevate funktsioonide, eriti sisse- ja v\u00e4ljal\u00fclitusmehhanismi juhtimiseks. Kas olete kunagi m\u00f5elnud, kas ka meie ajul on selline, kus saab aju funktsioone juhtida? Noh, uued uuringud viitavad \"mahu molekulaarsele nupule \", mis reguleerib aju elektrilisi signaale \u00f5ppimisel ja eriti [...]<\/p>","protected":false},"author":4,"featured_media":12176,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[54,245,554],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The \u201cmolecular control knob\u201d that aids learning and memory - MTG<\/title>\n<meta name=\"description\" content=\"Read this blog to know more of how a \u201cMolecular Control Knob\u201d in the brain that aids in learning and memory.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/et\/molekularni-nadzor-kljuc-mozgani\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The \u201cmolecular control knob\u201d that aids learning and memory - 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a tool used by over 400K users in 60 countries. He has a Ph.D. and solid scientific background in Psychopharmacology and experience as a Guest Researcher at the Max Planck Institute of Psychiatry (Germany) and Researcher in D'Or Institute for Research and Education (IDOR, Brazil). Fabricio holds over 2500 citations in Google Scholar. He has 10 years of experience in small innovative businesses, with relevant experience in product design and innovation management. Connect with him on LinkedIn - Fabricio Pamplona.","sameAs":["http:\/\/mindthegraph.com","https:\/\/www.linkedin.com\/in\/fabriciopamplona"],"url":"https:\/\/mindthegraph.com\/blog\/et\/author\/fabricio\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/posts\/12175"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/comments?post=12175"}],"version-history":[{"count":1,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/posts\/12175\/revisions"}],"predecessor-version":[{"id":12177,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/posts\/12175\/revisions\/12177"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/media\/12176"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/media?parent=12175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/categories?post=12175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/et\/wp-json\/wp\/v2\/tags?post=12175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}