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首页> 外文期刊>Genomics >A search for candidate genes for lipodystrophy, obesity and diabetes via gene expression analysis of A-ZIP/F-1 mice.
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A search for candidate genes for lipodystrophy, obesity and diabetes via gene expression analysis of A-ZIP/F-1 mice.

机译:通过对A-ZIP / F-1小鼠的基因表达分析,寻找用于脂肪营养不良,肥胖和糖尿病的候选基因。

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Genome scans for diabetes have identified many regions of the human genome that correlate with the disease state. To identify candidate genes for type 2 diabetes, we examined the transgenic A-ZIP/F-1 mouse. This mouse model has no white fat, resulting in abnormal levels of glucose, insulin, and leptin, making the A-ZIP/F-1 mice a good model for lipodystrophy and insulin resistance. We used cDNA-based microarrays to find differentially expressed genes in four tissues of these mice. We examined these results in the context of human linkage scans for lipodystrophy, obesity, and type 2 diabetes. We combined 199 known human orthologs of the misregulated mouse genes with 33 published human genome scans on a genome map. Integrating expression data with human linkage results permitted us to suggest and prioritize candidate genes for lipodystrophy and related disorders. These genes include a cluster of 3 S100A genes on chromosome 1 and SLPI1 on chromosome 20.
机译:糖尿病的基因组扫描已经确定了人类基因组中与疾病状态相关的许多区域。为了鉴定2型糖尿病的候选基因,我们检查了转基因A-ZIP / F-1小鼠。该小鼠模型没有白色脂肪,导致异常水平的葡萄糖,胰岛素和瘦素,使A-ZIP / F-1小鼠成为脂肪营养不良和胰岛素抵抗的良好模型。我们使用基于cDNA的微阵列在这些小鼠的四个组织中发现差异表达的基因。我们在脂蛋白营养不良,肥胖症和2型糖尿病的人类连锁扫描的背景下检查了这些结果。我们将基因组图谱上的199种已知的人类直系同源基因与33种已发表的人类基因组扫描图结合在一起,将这些基因错配了小鼠基因。将表达数据与人类连锁结果相结合,使我们能够为脂肪营养不良和相关疾病提出候选基因并确定其优先级。这些基因在1号染色体上包含3个S100A基因簇,在20号染色体上包含SLPI1。

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