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- 검색키워드
- 저자 : Kotrotsios, Nikolaos (검색결과 2 건)
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Dietary Carob Pods on Growth Performance and Meat Quality of Fattening Pigs
Kotrotsios, Nikolaos,Christaki, Efterpi,Bonos, Eleftherios,Paneri, Panagiota Florou Asian Australasian Association of Animal Productio 2012 Animal Bioscience Vol.25 No.6
In this experiment the effect of dietary carob pods in the growth performance of fattening pigs and their meat quality, including steak chemical composition and fatty acid profile, were examined. A total of 160 weaning piglets, 30 days old, were allocated into four equal groups with 4 subgroups of 5 female and 5 males each. The animals were fed with isocaloric and isonitrogenous diets, containing either 0 or 75 or 100 or 125 g of carob pods per kg of feed. At the end of the experiment, on the 180 day of age, carcass subcutaneous fat thickness, steak chemical composition and steak fatty acid profile were determined. The results of the experiment showed that the dietary addition of 75 or 100 g/kg carob pods increased body weight at slaughter and carcass weight. No significant effect was noticed on the other examined carcass parameters. Consequently, carob pods could be suggested as a potential feed for fattening pigs without any adverse effect on their meat quality.
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Georgios Nikolaou,Aristeidis H. Zibis,Apostolos H. Fyllos,Antonios Katsioulis,Sotirios Sotiriou,Anastasios Kotrotsios,Markos Sgantzos,Aikaterini Vassiou,Dimitrios L. Arvanitis 대한척추외과학회 2017 Asian Spine Journal Vol.11 No.6
Study Design: Human herniated discs were obtained from discectomy specimens for the immunohistochemical detection of OGlcNAc and O-GlcNAcase (OGA)/O-GlcNAc transferase (OGT). Purpose: This study aimed to quantify the extent of O-GlcNAcylation and its associated enzymes (OGT/OGA) in human degenerated intervertebral discs. Overview of Literature: The O-GlcNAcylation of nuclear, cytoplasmic, and mitochondrial proteins as well as the effects of such post-translational modifications are currently the focus of extensive research. O-GlcNAcylation is believed to contribute to the etiology of chronic illnesses by acting as a nutrient and stress sensor in the cellular environment. Mature intervertebral disc cells are chondrocyte-like cells, and O-GlcNAc has been shown to promote chondrocyte apoptosis in vitro . We believe that O-GlcNAcylation is a key regulator of disc degeneration. Methods: Fifty-six specimens were fixed for 24 hours in a 10% solution of neutral-buffered formaldehyde, dehydrated, and embedded in paraffin. Tissue slices (4-μm-thick) were used for hematoxylin-eosin staining and immunohistochemistry. Results: We found that O-GlcNAcylation of cytoplasmic proteins was less than that of nuclear proteins in both single cells and cell clusters. Cytoplasmic O-GlcNAcylation occurs subsequent to nuclear O-GlcNAcylation and is directly proportional to disc degeneration. OGT and O-GlcNAc expression levels were identical in all specimens examined. Conclusions: O-GlcNAc and OGA/OGT expression is shown to correlate for the first time with intervertebral disc cell degeneration. Increasing disc degeneration is associated with increasing O-GlcNAcylation in both nuclear and cytoplasmic proteins in human disc cells.
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