'Korean researchers develop skin model that could replace animal testing'

02:15 Feb 19, 2022 0 0

'국내연구진, 세계최초로 동물실험 대체 \'인공피부 개발\'    More countries are leaning towards banning animal testing for cosmetic goods. But the process, though heavily criticized did serve a crucial role in developing new drugs or cosmetics. Kim Hyesung turns the spotlight on a group of Korean researchers who developed a new skin microchip that has the potential to replace animal testing.  Creams, lotions, shampoos -- new cosmetic goods often mean more animal testing.   According to Humane Society International, over one-hundred million animals, including rabbits, dogs and mice, are used every year in tests to assess the effectiveness and safety of new cosmetics and medicines.       \"Most are only killed at the end of the often painful experiments,... but that could be about to change. Korean researchers have developed the world’s first skin model microchip that could replace animal testing.\"    The microchip is one-centimeter in diameter and mimics the structure and functional responses of human skin. It is developed by growing human cells  on top of a silicon material   and, just like real human skin, it has three layers: outer skin, inner skin and blood vessels.   When a chemical substance is injected, it goes through the blood vessels and researchers can observe the changes in each skin layer to see whether it causes inflammation. The lead researcher says the chip has the potential to reduce or eliminate the need for animal testing, while increasing the accuracy of clinical trials.        \"Chemicals that show no side effects on animals cause complications for the human body because animal skin is different from human skin in thickness and structure. But this chip model reacts to drugs just like real human skin does, increasing clinical trial accuracy and reducing clinical trial time, as tests on animals often take months or years.\"    The researchers leading the study, a collaboration between Seoul National University and Korea University, say their next goal is to do develop ways to mass produce the microchips for laboratory use. Kim Hye-sung, Arirang News.  Visit ‘Arirang News’ Official Pages Facebook(NEWS): http://www.facebook.com/newsarirang  Homepage: http://www.arirang.com Facebook: http://www.facebook.com/arirangtv Twitter: http://twitter.com/arirangworld Instagram: http://instagram.com/arirangworld' 

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