Human protein research. Researcher holding a leaf of genetically modified (GM) tobacco. This transgenic (organism with genes from another species) plant has been manipulated to produce a human protein, such as blood albumen and gastric lipase. These proteins, which can be extracted from the leaves, may then be used to treat people with hereditary and other disorders. Photographed at the Meristem Therapeutics' Clermont Ferrand laboratory, France.
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