{"id":301,"date":"2019-02-08T10:11:19","date_gmt":"2019-02-08T09:11:19","guid":{"rendered":"https:\/\/kids.esa.int\/worms_in_space\/"},"modified":"2026-10-08T00:26:36","modified_gmt":"2026-10-07T22:26:36","slug":"worms_in_space","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/worms_in_space\/","title":{"rendered":"Maskar i rymden!"},"content":{"rendered":"<div class=\"lede\">\n<p>Att \u00e5ka ut i rymden \u00e4r ett sp\u00e4nnande \u00e4ventyr, men vissa saker \u00e4r v\u00e4ldigt sv\u00e5ra f\u00f6r astronauter. Att h\u00e5lla sig i form och ha god muskelstyrka \u00e4r en riktig utmaning, eftersom muskler och ben tenderar att bli svagare i tyngdl\u00f6shet. Att sv\u00e4va runt p\u00e5 den internationella rymdstationen \u00e4r j\u00e4ttekul, men inte bra f\u00f6r h\u00e4lsan n\u00e4r man \u00e4r d\u00e4r i flera m\u00e5nader!<\/p>\n<\/div>\n<p>Forskare vid ESA arbetar med att hj\u00e4lpa astronauterna att l\u00f6sa detta problem. De anv\u00e4nder en mask med det f\u00e4ngslande namnet <i>Caenorhabditis elegans<\/i> (<i>C. elegans <\/i>(f\u00f6rkortat) f\u00f6r att hj\u00e4lpa dem. De uppt\u00e4ckte att musklerna i <i>C. elegans<\/i> f\u00f6r\u00e4ndras i tyngdl\u00f6shet p\u00e5 ett s\u00e4tt som p\u00e5minner mycket om m\u00e4nskliga muskler. Kanske skulle dessa sm\u00e5 maskar \u2013 som alla \u00e4r mindre \u00e4n 1 mm l\u00e5nga \u2013 kunna anv\u00e4ndas i experiment i rymden f\u00f6r att bidra till denna forskning?<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"4928\" data-credit=\"ESA\/NASA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2015\/09\/Samantha_running_in_space\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2015\/09\/samantha_running_in_space\/15629558-1-eng-GB\/Samantha_running_in_space.jpg\" alt=\"Samantha running in space\"><figcaption>Samantha springer i rymden<\/figcaption><\/figure>\n<p>Tim Etheridge \u00e4r universitetslektor vid University of Exeter i Storbritannien. Han f\u00f6rklarar: \u201cMaskar \u00e4r, kanske \u00f6verraskande nog, en bra modell f\u00f6r m\u00e4nskliga muskler. P\u00e5 molekyl\u00e4r niv\u00e5 liknar de m\u00e4nniskor och erbjuder f\u00f6rdelar f\u00f6r rymdfartsforskningen \u2013 de \u00e4r mycket sm\u00e5, v\u00e4xer snabbt och \u00e4r dessutom billiga och l\u00e4tta att sk\u00f6ta!\u201d<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"5568\" data-credit=\"ESA\/NASA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/09\/Dragon_CRS-14\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/09\/dragon_crs-14\/17675991-2-eng-GB\/Dragon_CRS-14.jpg\" alt=\"Dragon spacecraft leaving Space Station\"><figcaption>Rymdfarkosten Dragon l\u00e4mnar rymdstationen<\/figcaption><\/figure>\n<p>Tusentals sp\u00e4dbarn <i>C. elegans<\/i> Maskarna placerades i speciella p\u00e5sar d\u00e4r de kunde leva ganska lyckligt, med utrymme och n\u00e4rings\u00e4mnen f\u00f6r att v\u00e4xa och f\u00f6r\u00f6ka sig. De lastades sedan ombord p\u00e5 rymdfarkosten Dragon och skickades upp till den internationella rymdstationen! ESA-astronauten Alexander Gerst placerade maskarna i en inkubator utformad f\u00f6r att hj\u00e4lpa dem att v\u00e4xa snabbt och s\u00e4kert. Mindre \u00e4n en vecka senare var de fullvuxna, allt i tyngdl\u00f6shet. Maskarna frystes sedan in, redo att skickas tillbaka till jorden f\u00f6r studier. Under tiden har andra grupper av maskar odlats under normala f\u00f6rh\u00e5llanden p\u00e5 jorden, s\u00e5 att skillnaderna kan j\u00e4mf\u00f6ras.<\/p>\n<p>Forskarna bakom uppdraget hoppas att experimentet ocks\u00e5 ska bidra till att vi l\u00e4r oss mer om en m\u00f6jlig orsak till diabetes och om en sjukdom som kallas muskeldystrofi, d\u00e4r musklerna f\u00f6rsvagas och bryts ned. Forskningen kommer allts\u00e5 inte bara att hj\u00e4lpa astronauter i rymden, utan \u00e4ven m\u00e4nniskor med olika sjukdomar h\u00e4r p\u00e5 jorden!<\/p>\n<p><i>Intressant fakta: det blev en kamp mot klockan att f\u00e5 maskarna ut i rymden, eftersom de bara kunde \u00f6verleva i 160 timmar innan de beh\u00f6vde placeras i rymdstationens inkubator<\/i><\/p>","protected":false},"excerpt":{"rendered":"<p>Going into space is an exciting adventure, but some things are very difficult for astronauts. Keeping fit and having good muscle strength is a real challenge, as muscles and bones [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/12\/neuronal_deterioration_of_worm_during_ageing\/18935244-1-eng-GB\/Neuronal_deterioration_of_worm_during_ageing.jpg","esa_banner_description":"Neuronal deterioration of worm during ageing","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/12\/Neuronal_deterioration_of_worm_during_ageing","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-301","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=301"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":4397,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/301\/revisions\/4397"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=301"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=301"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=301"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=301"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=301"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=301"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=301"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}