Abstract
Summary
A small quantity of kangaroo pituitaries were subjected to fractionation procedures known to separate mammalian pituitary hormones. These involved (NH4) 2SO4 fractionation, ion-exchange chromatography, and gel filtration. The results show that the kangaroo possesses pituitary hormones which behave very much like their mammalian counterparts with respect to biological, chemical, and immunochemical behavior.
We thank Professor Choh Hao Li for his advice on these studies; Dr. Paul Licht for helpful discussions; Dr. T. Hayashida for the gift of monkey antiserum to rat GH; Dr. C. S. Nicoll for performing a number of pigeon crop sac assays; Dr. J. Ramachandran for performing the ACTH assay; and J. D. Nelson, Dan Key, and Carol Hopkins for skilled technical assistance.
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