PMID: 11639701Jan 1, 1992Paper

Historical review of insulin and its preparations in pharmacopoeia (3). Fish insulins

Yakushigaku zasshi. The Journal of Japanese history of pharmacy
M Suehiro

Abstract

Existence of encapsulated glands situated in the mesentery of certain teleosti was reported by Brockmann (1846) and Stannius (1848), respectively. Thus the gland was named stannius corpuscle or Brockmann body. Later, as results of histological study, cells of stannius corpuscle tissues were constituted with Langerhans islet cells observed in mammalian pancreas by Diammare (1899) and Laguesse (1906). Thus, before the days of discovery of insulin by Banting and Best in 1921, stannius corpuscle has been interesting from the aspects of comparative anatomy and physiology. Rennie (1906) examined a large number of specimens in various species of teleosti and gave the term "principal islet" to easily recognizable stannius corpuscle. Osawa studied comparative anatomy in Freiburg and returned to Tokyo. He continued the study of comparative anatomy of Langerhans islet aand published a report on observation of "principal islet" of flatfish, limanda yokohamae Gth. in 1912 in Japanese. His report seemed to be a milestone of studies of fish insulin in Japan. Macleod attempted to demonstrate direct evidence on secretion of insulin from Langerhans islet cells. Experiments were made on extraction of "principal islet" of teleosti, angler Lophius)...Continue Reading

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