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Cell and Tissue Research

, Volume 270, Issue 3, pp 609–611 | Cite as

Immunocytochemical identification of some regulatory peptides (gastrin, gastrin-releasing peptide, neurotensin and vasoactive intestinal polypeptide) in the Harderian gland of the green frog,Rana esculenta

  • G. Chieffi Baccari
  • M. Vallarino
  • S. Minucci
  • M. Pestarino
  • L. Di Matteo
Article

Summary

The presence and distribution of gastrin-, gastrin-releasing peptide-, neurotensin-and vasoactive intestinal polypeptide-like immunoreactivity in the Harderian gland ofRana esculenta were studied at different times of the annual cycle. Gastrin-releasing peptide, neurotensin and vasoactive intestinal polypeptide-like substances were found either in the glandular cells, or in the nerve fibers surrounding the glandular acini. Gastrin-like immunoreactivity was confined to the glandular cells. The immunoreactivity varied during the annual cycle, with the greatest concentration being noted during the recovery phase of glandular secretory activity.

Key words

Gastrin Gastrin-releasing peptide Neurotensin Vasoactive intestinal peptide Immunocytochemistry Harderian gland Rana esculenta (Anura) 

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • G. Chieffi Baccari
    • 1
  • M. Vallarino
    • 2
  • S. Minucci
    • 3
  • M. Pestarino
    • 2
  • L. Di Matteo
    • 3
  1. 1.Istituto di Anatomia Umana Normale, I Facolta' di Medicina e ChirurgiaUniversita' di NapoliNapoliItaly
  2. 2.Istituto di Anatomia ComparataUniversita' di GenovaGenovaItaly
  3. 3.Dipartimento di Fisiologia Umana e Funzioni Biologiche Integrate “F. Bottazzi”Universita' di NapoliNapoliItaly

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