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<p> The quantities and distribution patterns of serotonin-immunoreactive (serotonin-IR) enterochromaffin cells (EC) were studied immunohistochemically in the small intestine of suckling piglets stimulated with red kidney bean lectin, and in nonstimulated, control animals. The co-expression patterns of serotonin with somatostatin (SOM) or corticotropin releasing-factor (CRF) were also studied. After the lectin treatment, the increased numbers of EC were noted in the duodenum of experimental animals. Lectin stimulation did not change the proportions of EC in the jejunum and ileum. In the duodenal epithelium of the lectin-stimulated piglets, the vast majority of serotonin-IR EC were distributed at the basis of crypts. After the lectin administration, the proportions of serotonin-IR/SOM-IR EC were statistically similar in all sections of the small intestine. No upregulation of CRF was found in duodenal, jejunal, and ileal EC of lectin-treated animals. The findings demonstrated that red kidney bean lectin increased the serotonin reservoir in the duodenum, and thus may be an effective stimulant of the gut maturation in suckling mammals.</p>
</abstract>

The quantities and distribution patterns of serotonin-immunoreactive (serotonin-IR) enterochromaffin cells (EC) were studied immunohistochemically in the small intestine of suckling piglets stimulated with red kidney bean lectin, and in nonstimulated, control animals. The co-expression patterns of serotonin with somatostatin (SOM) or corticotropin releasing-factor (CRF) were also studied. After the lectin treatment, the increased numbers of EC were noted in the duodenum of experimental animals. Lectin stimulation did not change the proportions of EC in the jejunum and ileum. In the duodenal epithelium of the lectin-stimulated piglets, the vast majority of serotonin-IR EC were distributed at the basis of crypts. After the lectin administration, the proportions of serotonin-IR/SOM-IR EC were statistically similar in all sections of the small intestine. No upregulation of CRF was found in duodenal, jejunal, and ileal EC of lectin-treated animals. The findings demonstrated that red kidney bean lectin increased the serotonin reservoir in the duodenum, and thus may be an effective stimulant of the gut maturation in suckling mammals.

Red kidney bean (Phaseolus vulgaris) lectin stimulation increases the number of enterochromaffin cells in the small intestine of suckling piglets

Department of Animal Anatomy and Histology

Sub-Department of Toxicology and Environment Protection, Faculty of Veterinary Medicine

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The quantities and distribution patterns of serotonin-immunoreactive (serotonin-IR) enterochromaffin cells (EC) were studied immunohistochemically in the small...

Red kidney bean (Phaseolus vulgaris) lectin stimulation increases the number of enterochromaffin cells in the small intestine of suckling piglets

Data publikacji: 17 cze 2014

Zakres stron: 289 - 294

Otrzymano: 25 paź 2013

Przyjęty: 20 maj 2014

DOI: https://doi.org/10.2478/bvip-2014-0044

Słowa kluczowe
pig, small intestine, serotonin, enterochromaffin cells, red kidney bean lectin.

© 2014 National Veterinary Research Institute in Pulawy

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Red kidney bean (Phaseolus vulgaris) lectin stimulation increases the number of enterochromaffin cells in the small intestine of suckling piglets

Data publikacji: 17 cze 2014

Zakres stron: 289 - 294

Otrzymano: 25 paź 2013

Przyjęty: 20 maj 2014

DOI: https://doi.org/10.2478/bvip-2014-0044

Słowa kluczowepig, small intestine, serotonin, enterochromaffin cells, red kidney bean lectin.

© 2014 National Veterinary Research Institute in Pulawy

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Słowa kluczowe
pig, small intestine, serotonin, enterochromaffin cells, red kidney bean lectin.