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Science 25 September 1970:
Vol. 169. no. 3952, pp. 1312 - 1313
DOI: 10.1126/science.169.3952.1312
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Articles

Insulin Levels in Primates by Immunoassay

George V. Mann 1 and Oscar B. Crofford 2

1 Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee
2 Department of Medicine, Vanderbilt University School of Medicine

Only trace amounts of insulin were detected by an immunoassay system with guinea pig antibody to pork insulin in the New World primates Cebus and Saimiri. The system found insulin levels in the Old World primates rhesus and chimpanzee which were quite like those of human beings. The findings suggest important structural differences in the insulins of the two primate divisions.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)