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    • 9. 发明申请
    • Microarray for evaluation of stress-related genes in skin
    • 用于评估皮肤中应激相关基因的微阵列
    • US20070059711A1
    • 2007-03-15
    • US11193801
    • 2005-07-29
    • Andrzej SlominskiAlexander Pisarchik
    • Andrzej SlominskiAlexander Pisarchik
    • C12Q1/68G06F19/00C12P19/34C12M1/34
    • C12Q1/6888C12Q1/6837C12Q1/6883C12Q2600/158G16B25/00
    • The present invention provides a novel DNA microarray chip that can be used for simultaneous testing of transcriptional responses to cutaneous stressors in the context of neuro-endocrine-immune functions of the skin. The transcriptional responses to ultraviolet radiation in epidermal keratinocytes were tested using such microarray chip containing more than 700 neuro-endocrine-immune related genes. The gene expression pattern was non-random and time dependent; it included increased expression of genes involved in water and salt balance, prostaglandin synthesis, keratinocyte differentiation as well as genes coding for stress effectors, cytokines and metalloproteinases. In contrast, expression was decreased for genes coding for growth factors and their receptors, and for elements of extracellular matrix. This stochastic pattern suggests that transcriptional responses are coordinated and aimed at preservation of epidermal barrier function, prevention of early carcinogenic events and remodeling of extracellular matrix.
    • 本发明提供了一种新颖的DNA微阵列芯片,其可用于在皮肤神经 - 内分泌 - 免疫功能的背景下同时测试对皮肤应激物的转录反应。 使用含有700多种神经 - 内分泌 - 免疫相关基因的微阵列芯片测试表皮角化细胞中对紫外线辐射的转录反应。 基因表达模式是非随机和时间依赖性的; 它包括参与水和盐平衡的基因的表达增加,前列腺素合成,角质形成细胞分化以及编码应激作用子,细胞因子和金属蛋白酶的基因。 相比之下,编码生长因子及其受体的基因和细胞外基质的元件的表达降低。 这种随机模式表明转录反应是协调的,旨在保护表皮屏障功能,预防早期致癌事件和细胞外基质的重塑。