{"id":331,"date":"2023-08-17T02:34:52","date_gmt":"2023-08-17T02:34:52","guid":{"rendered":"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/"},"modified":"2023-08-17T02:34:52","modified_gmt":"2023-08-17T02:34:52","slug":"us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month","status":"publish","type":"post","link":"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/","title":{"rendered":"US surgeons mark achievement as pig kidney survives in human over a month"},"content":{"rendered":"


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A team conducts a successful transplant of a genetically-modified pig heart on a 57-year-old patient with terminal heart disease, at the University of Maryland Medical Center on January 7, 2022. \u2014 Reuters<\/figcaption><\/figure>\n<\/div>\n

Health experts have revealed \u2014 after transplanting a genetically modified pig kidney into a human \u2014 that the organ survived for over a month in a brain-dead patient in the US without signs of failure, as experts are exploring ways for successful cross-species organ donation.\u00a0\u00a0<\/p>\n

Robert Montgomery, director of the NYU Langone Transplant Institute, told reporters: “We have a genetically-edited pig kidney surviving for over a month in a human.”<\/p>\n

Montgomery carried out the first genetically modified pig kidney transplant to a human in September 2021, followed by a similar procedure in November 2021.\u00a0<\/p>\n

“I think there’s a very compelling story that exists at this point that I think should give further assurances about starting some initial studies… in living humans,” he stated.<\/p>\n

There have since been a handful of other cases, with all the experiments running for two or three days.<\/p>\n

While previous transplants have involved up to 10 genetic modifications, the latest saw just one: in the gene involved in the so-called “hyperacute rejection,” which would otherwise occur within minutes of an animal organ being connected to a human circulatory system.<\/p>\n

By “knocking out” the gene responsible for a biomolecule called alpha-gal \u2014 a prime target for roving human antibodies \u2014 the NYU Langone team was able to stop immediate rejection.<\/p>\n

“We’ve now gathered more evidence to show that, at least in kidneys, just eliminating the gene that triggers a hyperacute rejection may be enough along with clinically approved immunosuppressive drugs to successfully manage the transplant in a human for optimal performance \u2014 potentially in the long-term,” said Montgomery.<\/p>\n

They also embedded the pig’s thymus gland \u2014 which lies around the neck and is responsible for educating the immune system \u2014 in the kidney’s outer layer.<\/p>\n

Adam Griesemer, of the NYU Grossman School of Medicine, added: “This allowed immune cells in the host’s body to learn to recognise the pig’s cells as its own, preventing a more delayed rejection.”<\/p>\n

Both of the patient’s own kidneys were removed, then one pig kidney was transplanted and started immediately producing urine.<\/p>\n

Monitoring showed that levels of creatinine, a waste product, were at optimal levels, and there was no evidence of rejection.<\/p>\n

No organ failure detected<\/h2>\n

Crucially, no evidence of porcine cytomegalovirus \u2014 which may trigger organ failure \u2014 has been detected, and the team plan to continue monitoring for another month.<\/p>\n

In January 2022, surgeons at the University of Maryland Medical School carried out the world’s first pig-to-human transplant on a living patient.\u00a0<\/p>\n

He died two months later, with the presence of porcine cytomegalovirus in the organ later blamed.<\/p>\n

The donor pig came from a herd from Virginia-based biotech company Revivicor.\u00a0<\/p>\n

The herd was approved by the Food and Drug Administration as a source of meat for people with hypersensitivity to the alpha-gal molecule, an allergy caused by tick bites.<\/p>\n

These pigs are bred, not cloned, meaning the process can be more easily scaled.<\/p>\n

Current efforts focus on pigs, which are thought to be ideal donors because of their organ size, their rapid growth and large litters, and the fact they are already raised as a food source.<\/p>\n<\/p><\/div>\n


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A team conducts a successful transplant of a genetically-modified pig heart on a 57-year-old patient with terminal heart disease, at the University of Maryland Medical Center on January 7, 2022. \u2014 Reuters Health experts have revealed \u2014 after transplanting a genetically modified pig kidney into a human \u2014 that the organ survived for over a…<\/p>\n

Read More “US surgeons mark achievement as pig kidney survives in human over a month”<\/span> »<\/a><\/p>\n","protected":false},"author":1,"featured_media":332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/www.geo.tv\/assets\/uploads\/updates\/2023-08-17\/l_505423_025201_updates.jpg","fifu_image_alt":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health"],"yoast_head":"\nUS surgeons mark achievement as pig kidney survives in human over a month - Breaking News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"US surgeons mark achievement as pig kidney survives in human over a month\" \/>\n<meta property=\"og:description\" content=\"A team conducts a successful transplant of a genetically-modified pig heart on a 57-year-old patient with terminal heart disease, at the University of Maryland Medical Center on January 7, 2022. \u2014 Reuters Health experts have revealed \u2014 after transplanting a genetically modified pig kidney into a human \u2014 that the organ survived for over a...Read More “US surgeons mark achievement as pig kidney survives in human over a month” »\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/\" \/>\n<meta property=\"og:site_name\" content=\"Breaking News\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-17T02:34:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.geo.tv\/assets\/uploads\/updates\/2023-08-17\/l_505423_025201_updates.jpg\" \/><meta property=\"og:image\" content=\"https:\/\/www.geo.tv\/assets\/uploads\/updates\/2023-08-17\/l_505423_025201_updates.jpg\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.geo.tv\/assets\/uploads\/updates\/2023-08-17\/l_505423_025201_updates.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/\"},\"author\":{\"name\":\"Admin\",\"@id\":\"https:\/\/ventil.rs\/blog\/#\/schema\/person\/8b364f5cc7fbc8705a888e63db8c026a\"},\"headline\":\"US surgeons mark achievement as pig kidney survives in human over a month\",\"datePublished\":\"2023-08-17T02:34:52+00:00\",\"dateModified\":\"2023-08-17T02:34:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/\"},\"wordCount\":550,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/ventil.rs\/blog\/#organization\"},\"articleSection\":[\"Health\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/#respond\"]}],\"copyrightYear\":\"2023\",\"copyrightHolder\":{\"@id\":\"https:\/\/ventil.rs\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/\",\"url\":\"https:\/\/ventil.rs\/blog\/health\/us-surgeons-mark-achievement-as-pig-kidney-survives-in-human-over-a-month\/\",\"name\":\"US surgeons mark achievement as pig kidney survives in human over a month - 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