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Scientists are using tilapia fish skin to treat very serious burns


Monday, 29 May 2017 :  Researchers in Brazil are experimenting with a new treatment for severe burns using the skin of tilapia fish, an unorthodox procedure they say can ease the pain of victims and cut medical costs.

Frozen animal skin and even human tissue have long been placed on burns to keep them moist and allow the transfer of collagen, a protein that promotes healing.

Brazil’s public hospitals, however, lack human and animal skin supplies. Instead, gauze bandage, which needs regular changing – often painfully – is the norm.

Tilapia is abundant in Brazil’s rivers and fish farms, which are expanding rapidly as demand grows for the mildly flavoured freshwater fish.

Scientists at the Federal University of Ceara in northern Brazil have found that tilapia skin has moisture, collagen and disease resistance at levels comparable to human skin, and can aid in healing.

In China, researchers have tested tilapia skin on rodents to study its healing properties, but scientists in Brazil say their trials are the first on humans.

“The use of tilapia skin on burns is unprecedented,” said Odorico de Morais, a professor at Ceara University.

“The fish skin is usually thrown away, so we are using this product to convert it into something of social benefit.”

The tilapia treatment can speed up healing by several days and reduces the need for pain medication, the Brazilian researchers say.

University lab technicians treated the fish skin with various sterilising agents, and sent it to São Paulo for irradiation to kill viruses before packaging and refrigeration. Once cleaned and treated, it can last for up to two years, researchers say. The treatment removes any fish smell.

In medical trials, the alternative therapy has been used on at least 56 patients to treat second- and third-degree burns. Patients, with limbs covered by fish skin, resemble creatures from a science fiction movie.

Source : Internet

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