{"id":11259,"date":"2017-01-17T09:49:36","date_gmt":"2017-01-17T09:49:36","guid":{"rendered":"http:\/\/revoscience.com\/en\/?p=11259"},"modified":"2017-01-17T09:49:36","modified_gmt":"2017-01-17T09:49:36","slug":"crispr-used-repair-mutation-rare-immunodeficiency-disorder","status":"publish","type":"post","link":"https:\/\/www.revoscience.com\/en\/crispr-used-repair-mutation-rare-immunodeficiency-disorder\/","title":{"rendered":"CRISPR Used to Repair Mutation in Rare Immunodeficiency Disorder"},"content":{"rendered":"<div class=\"panel-pane pane-entity-field pane-node-field-body-paragraphs\">\n<div class=\"pane-content\">\n<div class=\"paragraphs-items paragraphs-items-field-body-paragraphs paragraphs-items-field-body-paragraphs-full paragraphs-items-full\">\n<div class=\"field field-name-field-body-paragraphs field-type-paragraphs field-label-hidden\">\n<div class=\"field-items\">\n<div class=\"field-item odd\">\n<div class=\"entity entity-paragraphs-item paragraphs-item-embedded-text\">\n<div class=\"content\">\n<div class=\"field field-name-field-embedded-text field-type-text-long field-label-hidden\">\n<div class=\"field-items\">\n<div class=\"field-item even\">\n<figure id=\"attachment_11260\" aria-describedby=\"caption-attachment-11260\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11260\" src=\"http:\/\/revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg\" alt=\"\" width=\"800\" height=\"600\" title=\"\" srcset=\"https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg 800w, https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR-300x225.jpg 300w, https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-11260\" class=\"wp-caption-text\">Researchers have harnessed the CRISPR &#8211; Cas9 technology to correct mutations in the blood stem cells of patients with a rare immunodeficiency disorder; the engineered cells successfully engrafted in mice for up to five months. (Credit: Chris Bickel \/ Science Translational Medicine 2017)<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Scientists have applied <a href=\"https:\/\/en.wikipedia.org\/wiki\/CRISPR\" target=\"_blank\" rel=\"noopener\">CRISPR-Cas9<\/a> gene editing techniques to take on the rare genetic immunodeficiency disorder, chronic granulomatous disease (CGD). After repairing the gene mutation in blood stem cells from two patients <em>ex vivo<\/em>, the engineered cells were transplanted into mice where they successfully developed into normal white blood cells.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">CGD is caused by flaws in the NOX2 protein, which is important in helping white blood cells fight infection.\u00a0 Consequently, patients are vulnerable to life-threatening infections and usually have to be on antibiotics long-term.\u00a0 There are limited treatments available, and while stem cell transplantation is an option it comes with the risk of toxicity and potentially deadly complications.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">One of the challenges with CRISPR-Cas9 gene editing is the potential for unintended alterations that can include the loss or addition of genetic material.\u00a0 The scientists, led by Suk See De Ravin from NIH\u2019s National Institute of Allergy and Infectious Diseases, reported that no signs of unintentional side effects were observed in the mice, and the altered cells kept their edits with restored antimicrobial function for up to five months.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">The researchers say while further development is needed, this proof-of-principal study shows promise that CRISPR-Cas9 gene editing can be an effective strategy for repairing mutations in CGD and potentially other blood disorders.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Up next the scientists will perform more studies in hopes of eventually achieving a clinical treatment for patients with CGD.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">The findings were published Jan. 11 in <a style=\"color: #000000;\" href=\"http:\/\/stm.sciencemag.org\/content\/9\/372\/eaah3480\" target=\"_blank\" rel=\"noopener\"><em>Science Translational Medicine<\/em><\/a>.\u00a0<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p style=\"text-align: justify;\">\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>Source: <a href=\"http:\/\/www.biosciencetechnology.com\/news\/2017\/01\/crispr-used-repair-mutation-rare-immunodeficiency-disorder?et_cid=5782561&amp;et_rid=423855790&amp;type=image&amp;et_cid=5782561&amp;et_rid=423855790&amp;linkid=http%3a%2f%2fwww.biosciencetechnology.com%2fnews%2f2017%2f01%2fcrispr-used-repair-mutation-rare-immunodeficiency-disorder%3fet_cid%3d5782561%26et_rid%3d%%subscriberid%%%26type%3dimage\" target=\"_blank\" rel=\"noopener\">dddmag.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists have applied CRISPR-Cas9 gene editing techniques to take on the rare genetic immunodeficiency disorder, chronic granulomatous disease (CGD). After repairing the gene mutation in blood stem cells from two patients ex vivo, the engineered cells were transplanted into mice where they successfully developed into normal white blood cells. CGD is caused by flaws in [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":11260,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,17],"tags":[],"class_list":["post-11259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medicine","category-research"],"featured_image_urls":{"full":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",800,600,false],"thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR-150x150.jpg",150,150,true],"medium":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR-300x225.jpg",300,225,true],"medium_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR-768x576.jpg",750,563,true],"large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",750,563,false],"1536x1536":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",800,600,false],"2048x2048":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",800,600,false],"ultp_layout_landscape_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",800,600,false],"ultp_layout_landscape":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",760,570,false],"ultp_layout_portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",600,450,false],"ultp_layout_square":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",600,450,false],"newspaper-x-single-post":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",653,490,false],"newspaper-x-recent-post-big":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",480,360,false],"newspaper-x-recent-post-list-image":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",87,65,false],"web-stories-poster-portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",640,480,false],"web-stories-publisher-logo":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",96,72,false],"web-stories-thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2017\/01\/CRISPR.jpg",150,113,false]},"author_info":{"info":["Amrita Tuladhar"]},"category_info":"<a href=\"https:\/\/www.revoscience.com\/en\/category\/health\/medicine\/\" rel=\"category tag\">Medicine<\/a> <a href=\"https:\/\/www.revoscience.com\/en\/category\/news\/research\/\" rel=\"category tag\">Research<\/a>","tag_info":"Research","comment_count":"0","_links":{"self":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/11259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/comments?post=11259"}],"version-history":[{"count":0,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/11259\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media\/11260"}],"wp:attachment":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media?parent=11259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/categories?post=11259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/tags?post=11259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}