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. 2006 Nov 14;12(42):6874-8.
doi: 10.3748/wjg.v12.i42.6874.

Immunohistochemical study on distribution of endocrine cells in gastrointestinal tract of flower fish (Pseudophoxinus antalyae)

Kenan Cinar  1 , Nurgül Senol, M Rüştü Ozen
Affiliations

Immunohistochemical study on distribution of endocrine cells in gastrointestinal tract of flower fish (Pseudophoxinus antalyae)

Kenan Cinar et al. World J Gastroenterol. .

Abstract

Aim: To detect distribution and relative frequency of endocrine cells in gastrointestinal tract of flower fish (Pseudophoxinus antalyae).

Methods: The intestinal tract of flower fish was divided into four portions from proximal to distal; the enlarged area after oesophagus and anterior, middle and posterior intestine. Immunohistochemical method using the peroxidase anti-peroxidase complex was employed. All antisera between four portions of flower fish were compared using ANOVA.

Results: Eleven types of gut endocrine cells were determined; they were immunoreactive for calcitonin gene related peptide, substance P, vasoactive intestinal peptide, bombesin, somatostatin-14, secretin, TrkA, TrkB, TrkC, neurotensin, neuropeptide Y, which were found in almost all portions of the gastrointestinal tract.

Conclusion: The regional distribution and relative frequency of immunoreactive cells in the flower fish, Pseudophoxinus antalyae, are essentially similar to those of other fish.

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Figures

Figure 1
Figure 1
Photomicrographs of immunoreactive endocrine cells in the gastrointestinal tract of the flower fish. A: Bombesin immunoreactive cells in the enlarged area after oesophagus; B: Somatostatin immunoreactive cells in the enlarged area after oesophagus; C: Substance-P immunoreactive cells in the enlarged area after oesophagus; D: Vasoactive intestinal peptide immunoreactive cells in the anterior intestine (× 450).
Figure 2
Figure 2
Density of the immunoreactive endocrine cells in the enlarged area after oesophagus (A), the anterior intestine (B), the middle intestine (C) and the posterior intestine (D).
See this image and copyright information in PMC

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