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Galanin-like immunoreactive endocrine cells in bovine pancreas

Published online by Cambridge University Press:  01 February 2000

EMMANUEL T. BALTAZAR ,
NOBUO KITAMURA ,
EIICHI HONDO ,
ERLINDA C. NARRETO  and
JUNZO YAMADA
EMMANUEL T. BALTAZAR
Affiliation:
Department of Veterinary Anatomy, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
NOBUO KITAMURA
Affiliation:
Department of Veterinary Anatomy, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
EIICHI HONDO
Affiliation:
Department of Veterinary Anatomy, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
ERLINDA C. NARRETO
Affiliation:
Department of Veterinary Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Central Mindanao University, Bukidnon, Philippines
JUNZO YAMADA
Affiliation:
Department of Veterinary Anatomy, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
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Abstract

Pancreata of fetal, neonatal and adult cattle were studied immunohistochemically for galanin. The results revealed galanin-like immunoreactivity both in the endocrine cells and in the neural elements. The galanin-like immunoreactive endocrine cells (Gal-LIEC) were confined to the large islets, and were not observed in the islets of Langerhans and exocrine pancreas. They were first detected at the third prenatal month. Their developmental profile showed an increase from fetal to early neonatal stage with a subsequent decrease towards adulthood. The considerable number of Gal-LIEC from late prepartum to early postpartum stage may imply functional significance of galanin during the perinatal development of cattle. Coexistence of galanin and insulin was also observed which may suggest autocrine interaction between the 2 hormones.

Keywords

Immunohistochemistryinsulinlarge isletscattle
Type
Research Article
Information
The Journal of Anatomy , Volume 196 , Issue 2 , February 2000 , pp. 285 - 291
Copyright
© Anatomical Society of Great Britain and Ireland 2000

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