{"id":121338,"date":"2019-06-04T11:50:27","date_gmt":"2019-06-04T11:50:27","guid":{"rendered":"https:\/\/www.bnreport.com\/chinese-crispr-modified-babies-could-face-shorter-life-expectancy-cnet\/"},"modified":"2019-06-04T11:50:27","modified_gmt":"2019-06-04T11:50:27","slug":"chinese-crispr-modified-babies-could-face-shorter-life-expectancy-cnet","status":"publish","type":"post","link":"https:\/\/www.bnreport.com\/en\/chinese-crispr-modified-babies-could-face-shorter-life-expectancy-cnet\/","title":{"rendered":"Chinese CRISPR-modified babies could face shorter life expectancy \u2013 CNET"},"content":{"rendered":"
\nJiankui He, a researcher based in Shenzhen's Southern University of Science and Technology.<\/p>\n

The He Lab\/YouTube <\/p>\n<\/figcaption><\/figure>\n

Last November China introduced the world to Lulu and Nana, the first genetically-modified humans to be born. Lulu and Nana have modified genes that immunize them to HIV. However, a genome study from University of California, Berkeley<\/a> has found there may be a cost.<\/p>\n

A team from Shenzen's Southern University of Science and Technology, led by researcher Jiankui He, last year used emerging gene-modifying tool CRISPR<\/a> to disable the CCR5 gene which, the team theorized, would lead to human immunodeficiency virus immunity.<\/p>\n

However, UC Berkeley's study of 400,000 death and DNA records from the UK Biobank found that people with inactive CCR5 genes had a lower life expectancy than those with functioning CCR5 genes. UC Berkeley estimated a "21% increase in mortality in later life," and a "significantly higher death rate" between ages 41 and 78 for the former group.<\/p>\n

A previous study found that while disabling the CCR5 genes may lower susceptibility to HIV, it heightens susceptibility to influenza up to four times.<\/p>\n

<\/figure>\n

Now playing: Watch this: CRISPR explained with crisps (and assorted snacks)<\/p>\n

                                                 3:36                                      \n<\/code><\/pre>\n
"[CCR5] is a functional protein that we know has an effect in the organism, and it is well-conserved among many different species, so it is likely that a mutation that destroys the protein is, on average, not good for you," said senior author of the study, Rasmus Nielsen. "Otherwise, evolutionary mechanisms would have destroyed that protein a long time ago."<\/p>\n
CRISPR is a gene modification tool developed in 2012 that promises to reshape the field of gene-editing forever<\/a>. Often described as "a pair of molecular scissors," CRISPR is widely considered the most precise, cost-effective and quickest way to edit genes. Its potential applications are far-reaching, affecting conservation, agriculture, drug development and how we might fight genetic diseases. It could even alter the entire gene pool of a species.<\/p>\n
He, in a video uploaded to his lab's YouTube channel<\/a> last November, detailed the monumental breakthrough in gene editing, claiming the twin girls "came into this world as healthy as any other babies" and that the gene editing had worked safely \u2014 only editing the CCR5 gene. The research team has, according to the Associated Press<\/a>, genetically altered the embryos of seven couples, with just the one resulting in pregnancy so far.<\/p>\n
Chinese scientists have been denounced for their work in human genome editing before when, Read More \u2013 Source<\/strong><\/a>
\n[contf]
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cnet<\/a><\/h5>\n
[contfnewc]
\n[contfnewc]<\/p>\n","protected":false},"excerpt":{"rendered":"
Jiankui He, a researcher based in Shenzhen's Southern University of Science and Technology.<\/p>\n
 T..<\/p>\n","protected":false},"author":1,"featured_media":121339,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-121338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"yoast_head":"\nChinese CRISPR-modified babies could face shorter life expectancy   \u2013 CNET - Business News Report<\/title>\n<meta name=\"description\" content=\"Jiankui He, a researcher based in Shenzhen's Southern University of Science and Technology.  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