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题目:: Hypothalamic transcriptional profiling during the development of adiposity
ID:
状态:: 发布时间May 26, 2010 , 更新时间 May 1, 2014 , 提交时间 Jan. 2, 2008,
物种:: Gallus gallus
摘要:: Hypothalami from Fat (FL) and Lean lines (LL) of juvenile broiler chickens were obtained by divergent selection for high or low levels of abdominal fat at SRA-INRA, France. Gene expression patterns were measured during the development of adiposity at 1 to 7 weeks of age. Differentially expressed genes associated with line, age, or line-by-age were identified. Various phenotypic and metabolic alterations are present between the lines (i.e., abdominal fat, T3 levels and glycemia), however there are no alterations in ad libitum food intake between the lines. A balanced block hybrdization design and the Del-Mar 14K chicken integrated systems microarrays were used to measure gene expression during development. 561 genes were differentially expressed between line, and 442 genes were significant for line-by-age interactions. The greatest number of genes were differentially expressed at week 1 of age, prior to any divergence in adiposity between the two lines. Keywords: Chickens divergently selected for fatness or leanness, transcriptional profiling, differentially expressed genes Four biological replicates were used for each genotype (FL and LL) at four different ages (weeks 1, 3, 5 and 7). 20 micrograms of total RNA from each sample were analyzed using DEL-MAR 14K integrated systems microarrays in a reference design. Each experimental sample was labeled with Cy3 and then hybridized with an aliquot of the reference pool (Cy5). The reference pool of hypothalamic total RNA was generated from an equal aliquot of all the RNA samples (fat and lean lines, week 1, 3, 5, and 7).
实验种类:: transcription profiling by array
样本量:: 16
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数据号:: E-GEOD-10052, GSE10052
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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