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Sökning: onr:"swepub:oai:lup.lub.lu.se:121c0704-ab27-4e4b-9a56-e89159c5c709" > Effects of alpha-ke...

Effects of alpha-ketoglutarate on bone homeostasis and plasma amino acids in turkeys

Tatara, MR (författare)
Brodzki, A (författare)
Krupski, W (författare)
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Sliwa, E (författare)
Silmanowicz, P (författare)
Majcher, P (författare)
Pierzynowski, Stefan, (författare)
Lunds universitet, Lund University, Naturvetenskapliga fakulteten, Faculty of Science, Biologiska institutionen, Department of Biology, Funktionell zoologi, Functional zoology
Studzinski, T (författare)
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Lunds universitet Funktionell zoologi. (creator_code:org_t)
2005
Engelska.
Ingår i: Poultry Science. - Poultry Science Association. - 1525-3171. ; 84:10, s. 1604-1609
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The objective of the study was to evaluate the effect of denervation and alpha-ketoglutarate (AKG) administration on the development of osteopenia in the turkey radius. At 22 d of age, all turkeys were subjected to neurectomy of the right radius. Control turkeys were given a saline solution into the crop each day for 97 d. Experimental turkeys were given 0.4 g of AKG/kg of BW into the crop each day. After 98 d, BW was not affected by the AKG treatment. Volumetric bone mineral density of the radius was measured by quantitative computed tomography. Mechanical properties were tested using a 3-point bending test. Cross-sectional area, second moment of inertia, and mean relative wall thickness were measured as well. An-Lino acid concentrations were assessed with the use of ion-exchange chromatography. Denervation had a negative effect on all bone characteristics that were measured except bone length. The AKG had a positive effect on all bone characteristics except bone length. Plasma concentrations of proline and leucine were increased by AKG, whereas concentrations of taurine and glutamine were decreased. The turkey radius appears to be a good model for studying osteopenia because its development can be affected by treatments such as denervation and AKG administration.

Ämnesord

NATURVETENSKAP  -- Biologiska vetenskaper -- Zoologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Zoology (hsv//eng)

Nyckelord

long-term denervation of radius
alpha-ketoglutarate
leucine
proline
turkey

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