Korean Journal of Veterinary Research 1998;38(2):239-245.
Immunohistochemical study on insulin, glucagon and somatostatin immunoreactive cells of the pancreas of the duck(Anas platyrhynchos platyrhyncos, Linne)
Jae-hyun Lee1, Sae-kwang Ku1, Hyeung-sik Lee2
1College of Veterinary Medicine, Kyungpook National University
2Department of Biology, college of Natural Science, Kyungsan University
청둥오리 췌장의 insulin, glucagon 및 somatostatin 면역반응세포에 관한 연구
이재현1, 구세광1, 이형식2
1경북대학교 수의과대학
2경산대학교 자연과학대학 생물학과
The distributions and relative frequencies of insulin-, glucagon-, and somatostatin-immunoreactive cells in the pancreas of the duck(Anas platyrhynchos platyrhyncos, Linne) were investigated immunohistochemically on 23 days of incubation, at hatching, 1 week, 2 weeks, 3 weeks, 5 weeks, 6 weeks, 7 weeks, 9 weeks, 10 weeks, and 32 weeks after hatching. In the duck pancreas on 23 days of incubation and at hatching, mammalian type islets(mixed type) were only observed, thereafter three type's islets(mamalian, A and B type's islets) were identified. Insulin-immunoreactive cells were detected in central region of the islets, while glucagon- and somatostatin-immunoreactive cells were detected in marginal region of light(B type) or mammalian type islets, and in central region of dark islets(A type). Insulin-, and somatostatin-immunoreactive cells were also detected in the exocrine regions. In this region the insulin-immunoreactive cells were detected from 23 days of incubation to 6 weeks, however not detected after 7 weeks. At hatching the relative numbers of somatostatin-immunoreactive cells were more frequent than those of other groups, and then decreased with ages.
Key Words: insulin, glucagon, somatostatin, immunohistochemistry, duck, pancreas

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