Fish scales help to heal open wounds

Fish scales heal open wounds

Until now, people have not thought about how to use fish scales. However, according to scientists of Nanyang Technological University (Singapore), scales can provide considerable help in the treatment of various wounds. By chemical modification, the water-soluble collagen can be made into wound dressings in the form of gels, pastes, powders or pads that could be applied directly onto the skin, said NTU associate professor Andrew Tan, who is part of the team behind the study.

As samples, the researchers used collagen extracted from the scales of sea bass, snakehead, and tilapia, about 200 milligrams of collagen can be derived from 10 grams of fish scales, which are bred in the Singapore fish nursery. After proper treatment, the collagen was applied to the skin of mice, and it was able to accelerate the formation of blood vessels and lymph nodes in it, which speaks in favor of effective tissue regeneration.

Previously, collagens derived from skins of cows, sheep, and pigs were already used in wound healing dressings, which, according to scientists, had significant shortcomings. Fish scales, as a source of collagen, are much cheaper, if only because it represents wastes that are usually thrown away. In addition, as it turned out, it is more effective.

In a previous study, scientists determined that collagen from fish scales introduced into the human umbilical vein contributed to an increase in the number of endothelial cells (cells forming the inner surface of the blood vessels, lymph vessels, and cardiac cavities) 2.5 times more efficiently than with the use of cow collagen.

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