{"id":8231,"date":"2017-04-14T00:05:53","date_gmt":"2017-04-13T22:05:53","guid":{"rendered":"http:\/\/www.arnoschrauwers.nl\/weblog\/?p=8231"},"modified":"2017-04-14T00:05:53","modified_gmt":"2017-04-13T22:05:53","slug":"stierenzaad-helpt-kankercellen-doden","status":"publish","type":"post","link":"https:\/\/www.arnoschrauwers.nl\/weblog\/14\/04\/2017\/stierenzaad-helpt-kankercellen-doden\/","title":{"rendered":"Stierenzaad helpt kankercellen doden"},"content":{"rendered":"<div id=\"attachment_8232\" style=\"width: 418px\" class=\"wp-caption alignright\"><img decoding=\"async\" aria-describedby=\"caption-attachment-8232\" class=\"wp-image-8232\" src=\"http:\/\/www.arnoschrauwers.nl\/weblog\/wp-content\/uploads\/gehelmde-zaadcellen-kopie.jpg\" alt=\"Stierenzaad als chemoleverancier\" width=\"408\" srcset=\"https:\/\/www.arnoschrauwers.nl\/weblog\/wp-content\/uploads\/gehelmde-zaadcellen-kopie.jpg 538w, https:\/\/www.arnoschrauwers.nl\/weblog\/wp-content\/uploads\/gehelmde-zaadcellen-kopie-300x199.jpg 300w, https:\/\/www.arnoschrauwers.nl\/weblog\/wp-content\/uploads\/gehelmde-zaadcellen-kopie-453x300.jpg 453w\" sizes=\"(max-width: 538px) 100vw, 538px\" \/><p id=\"caption-attachment-8232\" class=\"wp-caption-text\">Gehelmde zaadcellen<\/p><\/div>\n<p>Duitse onderzoekers<a href=\"https:\/\/arxiv.org\/pdf\/1703.08510.pdf\"> hebben stierenzaad gebruikt<\/a>\u00a0(pdf-bestand) om chemo bij kankercellen af te leveren. In het lab lijkt het te werken. De methode zou geschikt zijn om, als de techniek echt bewezen is, kanker en andere aandoeningen in het vrouwelijke geslachtsorgaan aan te pakken, denken de Duitse onderzoekers.<!--more--><br \/>\nDe zaadcellen waren voorzien van een stalen &#8216;helm&#8217; om ze enigszins te kunnen sturen met behulp van magneten. \u00a0De aanpak moet in theorie minder bijwerkingen geven, stelt onderzoeker\u00a0<a href=\"https:\/\/www.ifw-dresden.de\/de\/institute\/iin\/research\/biophysics\/\">Oliver Schmidt<\/a> van het Leibnitzinstituut voor materiaalonderzoek IFW in Dresden. &#8220;Het onderzoek is nog in een zeer vroeg stadium en proeven op menselijke pati\u00ebnten zijn nog ver weg, maar de voordelen van spermacellen als medicijndragers zijn opmerkelijk. We zijn opgetogen dat we de precieze besturing van de cellen hebben kunnen aantonen.&#8221;<\/p>\n<h2>Helmpjes<\/h2>\n<p>Schmidt en de zijnen maakten\u00a0met een geavanceerde 3d-printer de &#8216;helmpjes&#8217;\u00a0van slechts enkele duizendsten mm. Die liet hij oppikken en voortduwen door de spermacellen van een stier, die waren voorzien van\u00a0de chemo <a href=\"http:\/\/www.apotheek.nl\/medicijnen\/doxorubicine?product=doxorubicine\">doxorubicine<\/a>. Bij botsing met een tumor klapt de voorkant van het helmpje open en schiet de spermacel eruit\u00a0en\u00a0dringt door in de tumor. Daar komt doxorubicine vrij en doodt kankercellen.<br \/>\nBij experimenten met gekweekte stukjes tumorweefsel zagen de Duitsers inderdaad meer kankercellen omkomen in een met gehelmd stierensperma behandelde petrischaaltje dan bij controlemonsters. Op filmpjes is te zien hoe de helmpjes tegen de tumor botsen, waarna de spermacellen zich druk wriemelend een weg banen door het kankerweefsel. &#8220;Met dank aan de krachtige slagen van hun zweepstaart&#8221;, aldus Schmidt.<\/p>\n<p><em>Bron: <a href=\"http:\/\/www.demorgen.be\/wetenschap\/nieuw-onderzoek-stierensperma-met-helmpje-helpt-kankercellen-te-doden-b0c2c375\/\">De Morgen<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nano-onderzoekers hebben &#8216;gehelmd&#8217; stierenzaad gebruikt om chemo bij tumorcellen af te leveren. In petrischaaltjes lukte dat. <a href=\"https:\/\/www.arnoschrauwers.nl\/weblog\/14\/04\/2017\/stierenzaad-helpt-kankercellen-doden\/\">Lees verder <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,3924,110],"tags":[3350,5410,204],"class_list":["post-8231","post","type-post","status-publish","format-standard","hentry","category-gezondheid","category-kanker","category-nanotechnologie","tag-doxorubicine","tag-stierenzaad","tag-zaadcellen"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Stierenzaad helpt kankercellen doden - Geleerd uitschot<\/title>\n<meta name=\"description\" content=\"Nano-onderzoekers hebben &#039;gehelmd&#039; stierenzaad gebruikt om chemo bij tumorcellen af te leveren. In petrischaaltjes lukte dat.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.arnoschrauwers.nl\/weblog\/14\/04\/2017\/stierenzaad-helpt-kankercellen-doden\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stierenzaad helpt kankercellen doden - Geleerd uitschot\" \/>\n<meta property=\"og:description\" content=\"Nano-onderzoekers hebben &#039;gehelmd&#039; stierenzaad gebruikt om chemo bij tumorcellen af te leveren. 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