Pig Parts for People
PPL Therapeutics of Edinburgh, Scotland has cloned 5 pigs with ?knock out? genes, meaning that their organs can be transplanted to humans. They were born on Christmas day and are named Noel, Angel, Star, Joy and Mary. They contain special genes prevent the human immune system rejecting their transplanted organs.
PPL cloned the piglets with help from the scientists who cloned Dolly the sheep in 1997.The company has also successfully introduced human DNA into animals such as cows, which then produce proteins in their milk which can be used in human medicine.
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