Biomedical Research By Drew Brock Jan 1, 1952 Dr. George Grey established a continuous cell line taken from a human cervical carcinoma Dr. George Grey established a continuous cell line taken from a human cervical carcinoma Jan 1, 1955 An enzyme involved in the synthesis of nucleic acid was isolated1960- RNA discovered Jan 1, 1963 Insulin Synthesized Jan 1, 1972 DNA Jan 1, 1973 First successful recombinant DNA experiment Jan 1, 1977 Protocols to sequence long sections of DNA Jan 1, 1981 develop the first vaccine for hepatitis B Jan 1, 1984 DNA fingerprinting technique is developed Jan 1, 1985 Genetic fingerprinting enters the courtroom