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题目:: Expression data from porcine hepatic and adipose tissue of males and females fed with two feeding levels
ID:
状态:: 发布时间June 8, 2010 , 更新时间 May 2, 2014 , 提交时间 May 20, 2010,
物种:: Sus scrofa
摘要:: Breed, gender and diet are factors affecting porcine metabolism. The aim of this study has been to investigate the gene expression patterns of the major sites for lipid metabolism, liver and fat, conditional on gender and on a moderate feeding restriction in Iberian pigs, as a model of obese porcine breed. Our results show that tissue effect account for more differentially expressed genes than gender or feeding restriction. The results obtained from the comparison between tissues support the studies showing adipose tissue is not only a fat-storage depot, we report a high number of upregulated genes in adipose tissue which represent relevant biological functions such as carbohydrate and energy metabolisms and endocrine function. Besides, key genes implicated in lipid metabolism are specifically overrepresented in liver or fat, particularly the differentially expressed genes related to fatty acid synthesis support previous studies showing that in pig, as in cattle or sheep, this process largely occurs in fat. We identified metabolic differences between genders such as oxidation capacity or response to toxins, reflected at gene expression level in liver but no in adipose tissue, contrarily to previous studies. Finally, our results seem to indicate that a moderate feeding restriction does not have large effects on liver or fat gene expression of obese pigs. Although the list of differentially expressed genes due to the effect of feeding restriction is limited, we could identify expression differences in genes related to antiageing mechanisms associated with feeding restriction as enhancement of immune response and anticoagulation and the balance between prosurvival and cell-death. Breed, gender and diet are factors affecting porcine metabolism. The aim of this study has been to investigate the gene expression patterns of the major sites for lipid metabolism, liver and fat, conditional on gender and on a moderate feeding restriction in Iberian pigs, as a model of obese porcine breed. Our results show that tissue effect account for more differentially expressed genes than gender or feeding restriction. The results obtained from the comparison between tissues support the studies showing adipose tissue is not only a fat-storage depot, we report a high number of upregulated genes in adipose tissue which represent relevant biological functions such as carbohydrate and energy metabolisms and endocrine function. Besides, key genes implicated in lipid metabolism are specifically overrepresented in liver or fat, particularly the differentially expressed genes related to fatty acid synthesis support previous studies showing that in pig, as in cattle or sheep, this process largely occurs in fat. We identified metabolic differences between genders such as oxidation capacity or response to toxins, reflected at gene expression level in liver but no in adipose tissue, contrarily to previous studies. Finally, our results seem to indicate that a moderate feeding restriction does not have large effects on liver or fat gene expression of obese pigs. Although the list of differentially expressed genes due to the effect of feeding restriction is limited, we could identify expression differences in genes related to antiageing mechanisms associated with feeding restriction as enhancement of immune response and anticoagulation and the balance between prosurvival and cell-death. 16 liver and subcutaneous backfat samples from eight animals at slaughter, 211 days old, four males and four females, four under high feeding level and four under 20% restriction
实验种类:: transcription profiling by array
样本量:: 16
实验设计:
: 无设计数据
数据号:: E-GEOD-21952, GSE21952
数据状态:: 无法自动分析，您可以尝试手动分析数据。

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