Immunocytochemical localisation of GABA in endocrine cells of the rat entero-pancreatic system
(1988) Biology of the Cell — Vol. 62, n° 3, p. 265-273 (1988)
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- Abstract
- The occurrence of GABA-containing cells in the rat entero-pancreatic system was investigated by using anti-GABA-glutaraldehyde antibodies at the light and electron microscope level. In the pancreas, the B cells showed intense immunoreactivity, contrary to non-B and exocrine cells. Moreover, post-embedding immunogold staining was localised mostly in mitochondria, close to rough endoplasmic reticulum and in the nucleus. The insulin granules appeared nonsignificantly stained, which suggests the lack of cosecretion of GABA together with insulin. In the duodenum, GABA immunoreactivity was detected in certain endocrine cell types, suggesting a possible interaction with this amino acid. The well established GABAergic innervation in the enteric system was also confirmed by immunolabelling.
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Gilon, P., Campistron, G., Geffard, M., & Remacle, C. (1988). Immunocytochemical localisation of GABA in endocrine cells of the rat entero-pancreatic system. Biology of the Cell, 62(3), 265-273. https://doi.org/10.1016/0248-4900(88)90021-4 (Original work published 1988)