Neuropeptide Y (NPY): immunohistochemical determination in duodenum of intermediate stage of horses fetuses

Authors

  • Guillermo Pascual DAURIA Cátedra de Histología. Departamento de Anatomía Animal. Facultad de Agronomía y Veterinaria. Universidad Nacional de Río Cuarto.
  • Virginia Hebe MAC LOUGHLIN Cátedra de Histología. Departamento de Anatomía Animal. Facultad de Agronomía y Veterinaria. Universidad Nacional de Río Cuarto.
  • Emerson Valentín RINALDI
  • Graciela Esther SAGRIPANTI
  • Sabrina GIMENEZ
  • Liliana Angela SONA
  • Facundo Ubaldo BONINO
  • Osvaldo Esteban NAVARRO
  • Ramiro Andrés MARTINEZ

Abstract

The hormones control different functions of the organism, including those linked with the digestive system. This is interesting because of its association with different stages of individual development. To generate new knowledge, there are many aspects to consider on the digestive system, especially the chemicals involved in the food intake, such as gastrointestinal hormones. The objective of this paper is to determine the presence of neuropeptide Y (NPY) in the duodenum of horse fetuses at intermediate stages of development. Fetuses corresponding to the period of gestation G2 obtained from the refrigerator Aimar -Río Cuarto were used. Duodenum samples were fixed in buffered formalin and embedded in paraffin and processed by conventional histological technique. Immunohistochemical technique with commercial antibodies were used for the determination of NPY. In samples from fetuses at intermediate stage of development (G2) the presence of NPY in intestinal epithelium and intestinal glands was observed. Neuropeptide Y is present in duodenal villous enterocytes and in the intestinal glands. This will provide basic knowledge for future studies of the physiological role that NPY has in the species under study.

Keywords: NPY, immunohistochemical, duodenum, fetuses, horses.

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How to Cite

DAURIA, G. P., MAC LOUGHLIN, V. H., RINALDI, E. V., SAGRIPANTI, G. E., GIMENEZ, S., SONA, L. A., BONINO, F. U., NAVARRO, O. E., & MARTINEZ, R. A. (2015). Neuropeptide Y (NPY): immunohistochemical determination in duodenum of intermediate stage of horses fetuses. Revista Ciencias Morfológicas, 17(1). Retrieved from https://revistas.unlp.edu.ar/Morfol/article/view/2386

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