K
Koichi Hosoda
Publications - 4
Citations - 291
Koichi Hosoda is an academic researcher. The author has contributed to research in topics: Bordetella pertussis & Protein subunit. The author has an hindex of 3, co-authored 4 publications receiving 289 citations.
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Journal ArticleDOI
Islets-activating protein (IAP) in Bordetella pertussis that potentiates insulin secretory responses of rats. Purification and characterization.
Motoyuki Yajima,Koichi Hosoda,Yoshinori Kanbayashi,Tsutomu Nakamura,Katsumi Nogimori,Yutaka Mizushima,Yasukiyo Nakase,Michio Ui +7 more
Journal ArticleDOI
Biological Properties of Islets-Activating Protein (IAP) Purified from the Culture Medium of Bordetella pertussis
Motoyuki Yajima,Koichi Hosoda,Yoshinori Kanbayashi,Tsutomu Nakamura,Isamu Takahashi,Michio Ui +5 more
TL;DR: IAP is a protein primarily possessing a unique action to potentiate insulin secretory responses of experimental animals to nutritional and hormonal stimuli, indicating that suppression of epinephrine hyperglycemia resulted from hypoglycemic action of insulin secreted in response toEpinephrine challenge.
Journal ArticleDOI
Subunit structure of islets-activating protein (IAP), a new protein isolated from the culture media of Bordetella pertussis.
Yoshinori Kanbayashi,Tsutomu Nakamura,Koichi Hosoda,Katsumi Nogimori,Motoyuki Yajima,Michio Ui +5 more
TL;DR: The subunit structure was studied of islets-activating protein (IAP), a new protein recently isolated from the culture media of Bordetella pertussis and possessing a unique action, i.e., potentiating insulin secretory responses of animals, which dissociated into three subunits, F-1,F-2, and F-3, when incubated in 8M urea.
Journal ArticleDOI
Formation of biologically active protein from the subunits of islets-activating protein (IAP), a new protein isolated from Bordetella pertussis.
Yoshinori Kanbayashi,Tsutomu Nakamura,Koichi Hosoda,Katsumi Nogimori,Motoyuki Yajima,Michio Ui +5 more
TL;DR: The native IAP (consisting of two IAP subunits including F-3) were equipotent in enhancing insulin secretory responses, in inhibiting epinephrine-induced hyperglycemia, in inducing leukocytosis and in increasing histamine sensitivity in experimental animals.