An immunohistochemical study of the endocrine pancreas in raptors

Palmieri, C. and Shivaprasad, H. L. (2014) An immunohistochemical study of the endocrine pancreas in raptors. Research in Veterinary Science, 97 3: 587-591. doi:10.1016/j.rvsc.2014.10.011

Author Palmieri, C.
Shivaprasad, H. L.
Title An immunohistochemical study of the endocrine pancreas in raptors
Journal name Research in Veterinary Science   Check publisher's open access policy
ISSN 1532-2661
Publication date 2014-12-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.rvsc.2014.10.011
Volume 97
Issue 3
Start page 587
End page 591
Total pages 5
Place of publication London, United Kingdom
Publisher Elsevier
Collection year 2015
Language eng
Abstract The cytoarchitecture of the endocrine pancreas of 10 raptors (golden eagles, peregrine falcons, Saker falcon, turkey vultures, red-tailed hawk and unspecified falcon) was examined by immunohistochemistry. Three islet types were identified: type A mixed islets composed mainly by glucagon (A)-secreting cells, type B mixed islets with predominantly insulin (B)-secreting cell component and type M mixed islets (type M) consisting of variable number of glucagon-, insulin- and somatostatin (D)-secreting cells. The latter were further characterized into Type I, II or III according to the cell distribution of the three cell types. A and D cells were also randomly scattered within the exocrine pancreas. The results of this study suggest that the classical concept in birds of a segregation of A and B cells in well-defined and distinct islets is not applicable in raptors, reflecting an evolutionary adaptation to different dietary habits and variation in developmental mechanisms.
Keyword Avian
Endocrine pancreas
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Veterinary Science Publications
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