Quantitative Proteomic Analysis Reveals Caffeine-Perturbed Proteomic Profiles in Normal Bladder Epithelial Cells.

Quantitative Proteomic Analysis Reveals Caffeine-Perturbed Proteomic Profiles in Normal Bladder Epithelial Cells.
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定量蛋白质组学分析揭示了正常膀胱上皮细胞中的咖啡因扰动蛋白质组学特征。

DOI:
10.1002/pmic.201800190
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发表时间:
2018-10
期刊:
影响因子:
3.4
通讯作者:
Kim J
Kim J
中科院分区:
生物学3区
文献类型:
--
作者:
Shahid M;Kim M;Yeon A;Andres AM;You S;Kim J

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下尿路症状(LUTS)在老年人中非常普遍,并对生活质量产生负面影响。由于全世界都喜欢含咖啡因的饮料,并且LUTS和咖啡因之间的关系尚未完全了解,因此研究咖啡因对LUTS发展和进展的影响的潜在机制将特别有趣。本研究的目的是通过研究暴露于咖啡因是否会导致膀胱蛋白质组和/或生物学途径的潜在变化来表征咖啡因对hTert永生化正常膀胱上皮细胞的影响。标记的LC-MS/MS蛋白质组学分析发现,与对照组相比,57种蛋白质在咖啡因处理的膀胱上皮细胞中差异表达;这包括32种上调和25种下调的蛋白质。进一步的功能基因富集分析表明,咖啡因影响主要的生物学途径,包括“肌肉收缩”和“染色质组装”。这些发现提供了新的科学见解,可能有助于未来研究咖啡因在膀胱功能障碍中的作用。
Lower urinary tract symptoms (LUTS) are highly prevalent among the elderly and negatively impact quality-of-life. Since caffeinated beverages are enjoyed worldwide and the relationship between LUTS and caffeine is still not fully understood, it would be of particular interest to examine the underlying mechanisms that drive caffeine’s influence on LUTS development and progression. The aim of this study was to characterize the effects of caffeine on hTert immortalized normal bladder epithelial cells by investigating whether exposure to caffeine can cause potential changes in the bladder proteome and/or biological pathways. Labeled LC-MS/MS proteomic analysis found 57 proteins as being differentially expressed in caffeine-treated bladder epithelial cells, compared to controls; this included 32 upregulated and 25 downregulated proteins. Further functional gene enrichment analysis revealed that caffeine affected major biological pathways, including those for “muscle contraction” and “chromatin assembly”. These findings provide new scientific insights that may be useful in future studies investigating the role of caffeine in bladder dysfunctions.
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