{"id":874,"date":"2020-08-26T14:35:55","date_gmt":"2020-08-26T14:35:55","guid":{"rendered":"https:\/\/interhospi.3wstaging.nl\/new-nanoparticles-help-to-detect-serious-scarring-of-wounds\/"},"modified":"2020-08-26T14:36:15","modified_gmt":"2020-08-26T14:36:15","slug":"new-nanoparticles-help-to-detect-serious-scarring-of-wounds","status":"publish","type":"post","link":"https:\/\/interhospi.com\/new-nanoparticles-help-to-detect-serious-scarring-of-wounds\/","title":{"rendered":"New nanoparticles help to detect serious scarring of wounds"},"content":{"rendered":"<p><span lang=\"EN-GB\">A new way of seeing when heavy wound scars are forming, and providing doctors the chance to intervene, has been developed by scientists from Nanyang Technological University, Singapore (NTU Singapore) and Northwestern University in the United States.<\/span><br \/>\n<span lang=\"EN-GB\">Clinicians currently find it difficult to predict how scars will develop following surgery or after a burn wound, without resorting to invasive testing.<\/span><br \/>\n<span lang=\"EN-GB\">Using new nanoparticles, the joint research team has shown in animals and human skin samples the potential to quickly and accurately predict whether a wound is likely to lead to excessive scarring as occurs in keloids and skin contractures.<\/span><br \/>\n<span lang=\"EN-GB\">If necessary, doctors can then take conventional preventive measures to reduce scar formation, such as using silicon sheets to keep a wound flat and moist.<\/span><br \/>\n<span lang=\"EN-GB\">In developed countries alone, about 100 million patients will form scars annually, arising from 80 million elective and trauma surgery operations. In Singapore, an estimated 400,000 people (1 in 12 people undergoing procedures) develop scars each year due to surgery.<\/span><br \/>\n<span lang=\"EN-GB\">Excessive scarring can dramatically affect a patient\u2019s quality of life, both physically and psychologically, as the scars can impede movement and activity, and can be painful when stretched<\/span><br \/>\n<span lang=\"EN-GB\">The new technique was developed by a team led by Assistant Professor Xu Chenjie from NTU\u2019s School of Chemical and Biomedical Engineering, nanoscience expert Professor Chad A Mirkin from Northwestern University, United States, and Dr Amy S Paller, Chair of Dermatology at Northwestern University Feinberg School of Medicine.<\/span><br \/>\n<span lang=\"EN-GB\">The new detection method uses thousands of nanoparticles called NanoFlares, which have DNA strands attached to their surfaces like a ball of spikes.<\/span><br \/>\n<span lang=\"EN-GB\">These nanoparticles are applied to closed wounds using a cream. After the nanoparticles have penetrated the skin cells for 24 hours, a handheld fluorescence microscope is used to look for signals given out by the nanoparticles\u2019 interaction with target biomarkers inside the skin cells.<\/span><br \/>\n<span lang=\"EN-GB\">If fluorescence signals are detected, they indicate abnormal scarring activity and preventive action can be taken to hopefully avoid heavier scarring.<\/span><br \/>\n<span lang=\"EN-GB\">Currently, apart from the visual examination of mature scars, the only other tool to detect skin diseases accurately is to perform a biopsy, where a skin tissue sample is extracted and sent for laboratory testing.<\/span><br \/>\n<span lang=\"EN-GB\">These biopsies may be painful and inconvenient for patients, as an open wound also risks infections and needs sutures which must be removed later<\/span><br \/>\n<span lang=\"EN-GB\">Assistant Professor Xu Chenjie said: \u201cWhen our bioengineered nanoparticles are applied on the skin, they will penetrate up to 2mm below the skin surface and enter scar cells.\u201d<\/span><br \/>\n<span lang=\"EN-GB\">\u201cUpon binding with a specific tell-tale gene released by the scar cells, smaller DNA spikes are knocked loose and light up under the microscope like little light flares. The more flares we see, the more scarring activity there is.\u201d<\/span><br \/>\n<span lang=\"EN-GB\">These NanoFlares are made by coating Northwestern\u2019s patented gold nanoparticles with tiny DNA strands targeting particular genes. It has shown negligible toxicity or side effects when tested on mice, rabbits and on human skin samples.<\/span><br \/>\n<span lang=\"EN-GB\">Dr Amy S Paller, who is also the Director of Northwestern University Skin Disease Research Centre, said: \u201cBeyond clinical observation, the gold standard for both clinical diagnosis and translational research of skin disorders is a biopsy.<\/span><br \/>\n<span lang=\"EN-GB\">\u201cThis technology is an exciting first step towards having a non-invasive way to detect increases or decreases in gene expression. NanoFlares may prove to be a new tool to facilitate sub-phenotyping of disease based on expression patterns and leveraging gene expression changes as a sensitive way to detect early treatment responses.\u201d<\/span><\/p>\n<p>Nanyang Technology University<br \/><span lang=\"EN-GB\"><link http:\/\/media.ntu.edu.sg\/NewsReleases\/Pages\/newsdetail.aspx?news=858001b3-7530-442a-a728-4e6abc115539 _blank external-link-new-window \"Opens external link in new window\">media.ntu.edu.sg\/NewsReleases\/Pages\/newsdetail.aspx?news=858001b3-7530-442a-a728-4e6abc115539<\/link><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new way of seeing when heavy wound scars are forming, and providing doctors the chance to intervene, has been developed by scientists from Nanyang Technological University, Singapore (NTU Singapore) and Northwestern University in the United States. Clinicians currently find it difficult to predict how scars will develop following surgery or after a burn wound, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":638,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New nanoparticles help to detect serious scarring of wounds - International Hospital<\/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:\/\/interhospi.com\/new-nanoparticles-help-to-detect-serious-scarring-of-wounds\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New nanoparticles help to detect serious scarring of wounds - International Hospital\" \/>\n<meta property=\"og:description\" content=\"A new way of seeing when heavy wound scars are forming, and providing doctors the chance to intervene, has been developed by scientists from Nanyang Technological University, Singapore (NTU Singapore) and Northwestern University in the United States. 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