探索性结肠炎复发的预测生物标志物:一种蛋白质学方法
Arash Assadsangabi1,2,3,4, Caroline A Evans1,5, Bernard M Corfe1
1Molecular Gastroenterology Research Group, Department of Oncology and Metabolism, Medical School, University of Sheffield, Sheffield, United Kingdom.
Inflammatory bowel diseases
|October 27, 2023
概括
研究人员确定了新的蛋白质生物标志物TRX和IGHA1,可以预测患者未来的性结肠炎 (UC) 复发. 这一发现有助于UC的积极疾病管理和治疗决策.
科学领域:
- 胃肠病学 胃肠病学
- 蛋白质组学是指蛋白质组学.
- 生物标志物发现发现
背景情况:
- 将炎症性肠病 (IBD) 患者,特别是性结肠炎 (UC) 患者分为容易复发或静止的组仍然具有挑战性.
- 确定可靠的生物标志物来预测疾病复发对于有效的患者管理至关重要.
研究的目的:
- 在性结肠炎 (UC) 患者中调查缓解中的蛋白质组特征和生物标志物,这些特征和生物标志物与未来疾病复发相关.
- 确定用于UC患者风险分层的新型组织生物标志物.
主要方法:
- 收集了UC患者缓解和健康对照的直肠样本.
- 在6个月或36个月内复发的基础上,患者被分为早期复发者 (ER) 和非复发者 (NR).
- 采用纳米液体染色学和双重质谱学 (iTRAQ) 进行蛋白质组分析,随后进行免疫染以验证.
主要成果:
- 分析了61名UC患者 (8名ER,43名NR) 和17名对照患者的样本.
- 蛋白质组分析显示ER,NR和对照之间的蛋白质表达有显著差异.
- 在ERs中与NRs相比,正交验证证实了上调的硫素 (TRX) 和免疫球蛋白重常数α1 (IGHA1) 在ERs中 (P = .001).
结论:
- 确定了新的候选组织生物标志物TRX和IGHA1,能够区分UC患者的早期复发风险.
- 这些生物标志物可以促进预防性监测,并为UC管理的治疗决策提供信息.
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