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Sensors 2010, 10(1), 890-900; doi:10.3390/s100100890

Pterins as Sensors of Response to the Application of Fe3+-Dextran in Piglets

1
Department of Biochemistry, Chemistry and Biophysics, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho 1/3, Brno, 612 42, Czech Republic
2
Clinic of Pig Diseases, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho 1/3, Brno, 612 42, Czech Republic
3
Synthon s. r. o., Brnenska 32, Blansko 678 17, Czech Republic
*
Author to whom correspondence should be addressed.
Received: 16 November 2009 / Revised: 30 December 2009 / Accepted: 14 January 2010 / Published: 22 January 2010
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Abstract

The aim of the presented study was to assess the effect of a single administration of Fe3+-dextran on immune cell counts and pterin biomolecule production as novel sensors of the piglets' immune system activation, and to determine concentrations of cortisol, a traditional hormonal biosensor of the stress response. Pterins (neopterin and biopterin) in the piglets' blood serum were analyzed by separation using reversed-phase HPLC. A single dose of Fe3+-dextran produced a special stress situation in the piglets' organism which manifested itself by an increased production of neopterin (p < 0.05) and biopterin (p < 0.01) in the experimental piglets. Changes in cortisol concentrations and leukocyte counts were influenced by handling stress and were not specifically correlated to iron dextran application. Iron concentrations in the internal environment of the experimental piglets’ group were higher by an order of magnitude compared with the controls, and the highest serum concentrations of iron (p < 0.01) were reached 24 h following Fe3+-dextran administration. The data presented offer a new perspective on the evaluation of stress situations in the animal organism and, not least importantly, extends the rather modest current list of references on the role of pterins in livestock animals. View Full-Text
Keywords: iron; neopterin; biopterin; cortisol; leukogram iron; neopterin; biopterin; cortisol; leukogram
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Smutna, M.; Svoboda , M.; Breinekova, K. Pterins as Sensors of Response to the Application of Fe3+-Dextran in Piglets. Sensors 2010, 10, 890-900.

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