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Oral administration of D-aspartate, but not L-aspartate, depresses rectal temperature and alters plasma metabolites in chicks

Edi Erwan and Vishwajit Sur Chowdhury and Mao Nagasawa and Ryosei Goda and Tsuyoshi Otsuka and Shinobu Yasuo and Mitsuhiro Furuse (2014) Oral administration of D-aspartate, but not L-aspartate, depresses rectal temperature and alters plasma metabolites in chicks. Life Sciences. pp. 65-71.

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Abstract

Aims: L-Aspartate (L-Asp) and D-aspartate (D-Asp) are physiologically important amino acids in mammals and birds. However, the functions of these amino acids have not yet been fully understood. In this study, we therefore examined the effects of L-Asp and D-Asp in terms of regulating body temperature, plasma metabolites and catecholamines in chicks. Main methods: Chicks were first orally administered with different doses (0, 3.75, 7.5 and 15 mmol/kg body weight) of L- or D-Asp to monitor the effects of these amino acids on rectal temperature during 120 min of the experimental period. Key findings: Oral administration of D-Asp, but not of L-Asp, linearly decreased the rectal temperature in chicks. Importantly, orally administered D-Asp led to a significant reduction in body temperature in chicks even under high ambient temperature (HT) conditions. However, centrally administered D-Asp did not significantly influence the body temperature in chicks. As for plasma metabolites and catecholamines, orally administered D-Asp led to decreased triacylglycerol and uric acid concentrations and increased glucose and chlorine concentrations but did not alter plasma catecholamines. Significance: These results suggest that oral administration of D-Asp may play a potent role in reducing body temperature under both normal and HT conditions. The alteration of plasma metabolites further indicates that D-Asp may contribute to the regulation of metabolic activity in chicks.

Item Type: Article
Subjects: 600 Teknologi dan Ilmu-ilmu Terapan > 630 Usaha Tani, Pertanian, Teknologi Pertanian > 630.7 Pendidikan Pertanian, Riset Penelitian Pertanian
Divisions: Fakultas Pertanian dan Peternakan > Agroteknologi
Depositing User: Ari Eka Wahyudi
Date Deposited: 15 Apr 2019 04:34
Last Modified: 15 Apr 2019 04:34
URI: http://repository.uin-suska.ac.id/id/eprint/12756

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