Dr Kiyoshi Nagai, a scientist at the Medical Research Council (MRC) Laboratory of Molecular Biology, Cambridge, holds a phial of human haemoglobi
Dr Kiyoshi Nagai, a scientist at the Medical Research Council (MRC) Laboratory of Molecular Biology, Cambridge, holds a phial of human haemoglobin intended as a blood substitute. The need to develop a blood substitute has arisen because of increasing concern over contamination of blood stocks with viral & bacterial pathogens, such as HIV, the virus causing AIDS. The products of earlier attempts using recombinant DNA techniques on the bacteria Escherichia coli & Saccharomyces cerevisiae had proved toxic to the kidneys. This latest version, developed by scientists at the MRC & Somatogen Inc. in the , has overcome this problem.
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Keywords: blood, dna, haemoglobin, human, kiyoshi, nagai, portraits, recombinant, subste, substitute, surname
