{"id":8527,"date":"2019-03-20T18:17:14","date_gmt":"2019-03-20T21:17:14","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=8527"},"modified":"2022-10-19T10:38:06","modified_gmt":"2022-10-19T13:38:06","slug":"nature-neuroscience","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/fi\/luonto-neurotiede\/","title":{"rendered":"Nature neuroscience: skitsofrenian ja mikroglian v\u00e4linen linkki"},"content":{"rendered":"<p>Skitsofrenia on krooninen ja vakava mielenterveyden h\u00e4iri\u00f6, joka vaikuttaa henkil\u00f6n ajatteluun, tunteisiin ja k\u00e4ytt\u00e4ytymiseen. Skitsofreniaa sairastavat saattavat vaikuttaa silt\u00e4, ett\u00e4 he ovat menett\u00e4neet kosketuksen todellisuuteen. Skitsofrenian kehittymisen ymm\u00e4rt\u00e4miseksi meid\u00e4n on puhuttava synaptisesta karsimisesta. Nature neuroscience -lehden artikkelin mukaan <sup>1<\/sup>, &#8220;<em>synaptinen karsiminen on synapsien eliminointiprosessi, joka tapahtuu varhaislapsuudesta varhaisaikuisuuteen.\"<\/em>&nbsp;Aivojen kehittyess\u00e4 ymp\u00e4rist\u00f6vaikutukset muokkaavat hermopiiri\u00e4. T\u00e4m\u00e4 prosessi poistaa varhaiskehityksen aikana syntyneet ylim\u00e4\u00e4r\u00e4iset synapsit ja vahvistaa j\u00e4ljell\u00e4 olevia synapseja.<\/p>\n\n\n\n<p>Lis\u00e4ksi synaptisen karsimisen hypoteesin mukaan liiallinen tai h\u00e4iriintynyt synaptinen karsiminen liittyy skitsofreniah\u00e4iri\u00f6\u00f6n. Psykiatri Irwin Feinberg esitti t\u00e4m\u00e4n hypoteesin vuonna 1982.<\/p>\n\n\n\n<p>Lis\u00e4ksi muutama vuosi sitten ihmisaivojen kuvantaminen ja post mortem -tutkimukset toivat uusia todisteita synaptisen karsimisen hypoteesin tueksi. N\u00e4yt\u00f6t osoittivat, ett\u00e4 selk\u00e4rangan tiheys ja harmaa aine ovat v\u00e4hentyneet skitsofreniapotilaiden aivokuoressa.<a href=\"https:\/\/mindthegraph.com\/templates\" target=\"_blank\" rel=\"noopener\"><br><\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/mindthegraph.com\/science_figures\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"768\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/03\/preview_69596-1-1024x768.png\" alt=\"preview_69596 (1)\" class=\"wp-image-8555\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69596-1-1024x768.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69596-1-300x225.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69596-1-768x576.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<h3>&nbsp;<\/h3>\n\n\n\n<div class=\"is-content-justification-center is-layout-flex wp-container-1 wp-block-buttons\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/mindthegraph.com\/science_figures\">Oletko valmis aloittamaan Mind the Graph:ss\u00e4?<\/a><\/div>\n<\/div>\n\n\n\n<h3><strong>&nbsp;Uusia todisteita julkaistiin Nature neuroscience -lehdess\u00e4:<\/strong><\/h3>\n\n\n\n<p>Siksi tutkijat yritt\u00e4v\u00e4t nyt ymm\u00e4rt\u00e4\u00e4 t\u00e4m\u00e4n ilmi\u00f6n taustalla olevaa mekanismia. Carl Sellgrenin, Roy Perlisin ja yhteisty\u00f6kumppaneiden mukaan immuunij\u00e4rjestelm\u00e4ll\u00e4 saattaa olla osuutta liialliseen synaptiseen karsimiseen. Heid\u00e4n uusi julkaisunsa<sup>1<\/sup> Nature neuroscience -lehdess\u00e4 julkaistussa tutkimuksessa kuvataan in vitro -mallia, jossa solujen uudelleenohjelmointia k\u00e4ytet\u00e4\u00e4n skitsofreniapotilaskohtaisen mikroglian v\u00e4litt\u00e4m\u00e4n synapsien sulautumisen tutkimiseen.<\/p>\n\n\n\n<p>Mikroglia on neuroglian (gliasolujen) kollektiivinen tyyppi, joka sijaitsee kaikkialla aivoissa ja selk\u00e4ytimess\u00e4. Ne ovat 10-15% kaikista aivoissa olevista soluista. Asukkaina olevina makrofagosoluina ne toimivat ensimm\u00e4isen\u00e4 ja t\u00e4rkeimp\u00e4n\u00e4 aktiivisen immuunipuolustuksen muotona keskushermostossa (CNS). Lis\u00e4ksi mikrogliasolut pystyv\u00e4t tunnistamaan vierasesineit\u00e4, nielem\u00e4\u00e4n niit\u00e4 ja toimimaan T-soluja aktivoivina antigeenej\u00e4 esittelevin\u00e4 soluina.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/mindthegraph.com\/science_figures\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"768\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/03\/preview_69544-1024x768.png\" alt=\"preview_69544\" class=\"wp-image-8529\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69544-1024x768.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69544-300x225.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69544-768x576.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/mindthegraph.com\/science_figures\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"1024\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/03\/preview_69618-1-1024x1024.png\" alt=\"preview_69618\" class=\"wp-image-8531\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69618-1-1024x1024.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69618-1-150x150.png 150w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69618-1-300x300.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69618-1-768x768.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69618-1.png 1980w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/mindthegraph.com\/science_figures\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/03\/preview_69620-1024x640.png\" alt=\"preview_69620\" class=\"wp-image-8532\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69620-1024x640.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69620-300x188.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/03\/preview_69620-768x480.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<div class=\"is-content-justification-center is-layout-flex wp-container-2 wp-block-buttons\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/mindthegraph.com\/science_figures\">Aloita luominen Mind the Graph:ss\u00e4 nyt<\/a><\/div>\n<\/div>\n\n\n\n<h2>Jatka lukemista neurotieteen aiheista<\/h2>\n\n\n\n<ul><li><a href=\"https:\/\/blog.mindthegraph.com\/alzheimers-disease\/#.XJlCeZhKiUk\" target=\"_blank\" rel=\"noopener\">Alzheimerin tauti: Alzheimerin tauti: Tieteellinen infografiikka<\/a><\/li><li><a href=\"https:\/\/blog.mindthegraph.com\/alzheimers-graphical-abstracts\/#.XJlCiJhKiUk\" target=\"_blank\" rel=\"noopener\">Alzheimerin taudin graafiset tiivistelm\u00e4t: Mit\u00e4 uutta neurotieteess\u00e4 on visuaalisesti esitettyn\u00e4<\/a><\/li><\/ul>\n\n\n\n<p>Jos haluat esitell\u00e4 tutkimuksesi my\u00f6s visuaalisesti, graafiset tiivistelm\u00e4t ja kauniit tieteelliset kuvitukset ovat tehokas ty\u00f6kalu! Aloita siis jo t\u00e4n\u00e4\u00e4n ja tee tiedoistasi visuaalisempia.<\/p>\n\n\n\n<ol><li><a href=\"https:\/\/www.nature.com\/articles\/s41593-018-0334-7\" target=\"_blank\" rel=\"noreferrer noopener\">Mikroglian lis\u00e4\u00e4ntynyt synapsien eliminointi skitsofreniapotilaista per\u00e4isin olevissa synaptisen karsimisen malleissa.<\/a><\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>Skitsofrenia on krooninen ja vakava mielenterveyden h\u00e4iri\u00f6, joka vaikuttaa henkil\u00f6n ajatteluun, tunteisiin ja k\u00e4ytt\u00e4ytymiseen. Skitsofreniaa sairastavat saattavat vaikuttaa silt\u00e4, ett\u00e4 he ovat menett\u00e4neet kosketuksen todellisuuteen. Skitsofrenian kehittymisen ymm\u00e4rt\u00e4miseksi meid\u00e4n on puhuttava synaptisesta karsimisesta. Nature neuroscience 1 -lehden artikkelin mukaan \"synaptic pruning on synapsien [...]<\/p>","protected":false},"author":11,"featured_media":8536,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[959,28],"tags":[96,554,775],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Neuroscience of nature: see the link between schizophrenia and microglia<\/title>\n<meta name=\"description\" content=\"A new paper in Nature neuroscience magazine brings new evidences of the microglial cells role in the schizophrenia development\" \/>\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\/fi\/luonto-neurotiede\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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