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Titolo:
Galanin-like immunoreactive neural elements in domestic ruminant pancreas
Autore:
Baltazar, ET; Kitamura, N; Sasaki, M; Cottrell, DF; Boloron, HMR; Yamada, J;
Indirizzi:
Obihiro Univ Agr & Vet Med, Dept Vet Anat, Obihiro, Hokkaido 0808555, Japan Obihiro Univ Agr & Vet Med Obihiro Hokkaido Japan 0808555 0808555, Japan Univ Edinburgh, Royal Dick Sch Vet Studies, Dept Vet Preclin Sci, Edinburgh EH9 1QH, Midlothian, Scotland Univ Edinburgh Edinburgh Midlothian Scotland EH9 1QH Midlothian, Scotland Cent Mindanao Univ, Coll Vet Med, Dept Vet Anat Physiol & Pharmacol, Musuan 8710, Bukidnon, Philippines Cent Mindanao Univ Musuan Bukidnon Philippines 8710 Bukidnon, Philippines
Titolo Testata:
JOURNAL OF VETERINARY MEDICAL SCIENCE
fascicolo: 8, volume: 63, anno: 2001,
pagine: 841 - 848
SICI:
0916-7250(200108)63:8<841:GINEID>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
INSULIN-SECRETION; BOVINE PANCREAS; RAT PANCREAS; GLUCAGON-SECRETION; ISLETS; RELEASE; NERVES; INHIBITION; MOUSE;
Keywords:
galanin; immunohistochemistry; pancreas; ruminant;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Kitamura, N Obihiro Univ Agr & Vet Med, Dept Vet Anat, Obihiro, Hokkaido 0808555, Japan Obihiro Univ Agr & Vet Med Obihiro Hokkaido Japan 0808555 pan
Citazione:
E.T. Baltazar et al., "Galanin-like immunoreactive neural elements in domestic ruminant pancreas", J VET MED S, 63(8), 2001, pp. 841-848

Abstract

The distribution and ontogeny of the galanin-like immunoreactive (Gal-IR) neural structures in the pancreas of cattle, sheep and goat were investigated immunohistochemically. The present study confirmed the previous findingson the immunolocalization of galanin both in the neural elements and endocrine cells of cattle, and reported for the first time its exclusive localization in the neural elements of sheep and goat. The frequency of Gal-IR nerve fibers and nerve cell bodies was high in cattle and low in sheep and goat. Their first detection was at the first fetal trimester in cattle and third trimester in sheep and goat. In cattle, a marked increase in the frequency of Gal-IR nerve fibers was observed from the third trimester to early neonatal stage followed by a decrease after three months postnatal. In contrast to the non-preferential distribution pattern in sheep, the G-al-IR nervefibers in cattle and goat pancreas were predominantly associated with the acini, excretory ducts and blood vessels, but rarely detected in the pancreatic islets. The Gal-IR nerve cell bodies were observed as isolated bodies in the intra- and interlobular connective tissues and as a group within theintrapancreatic ganglia. At the vicinity of the nerve cell bodies, Gal-IR nerve fibers were observed. The present findings may suggest that: (1) galanin regulates pancreatic function as neurotransmitter/neuromodulator in ruminants; (2) galanin plays a more important role in large than in small ruminants; and (3) particularly in cattle, it exerts its most dramatic effect during perinatal development.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 07:31:25