一个TSHR向单细胞中的aptamer与TAO中的临床活动相关
Jiamin Cao1, Feng Zhang1, Haiyan Chen1
1Department of Ophthalmology, Central South University, Changsha City, People's Republic of China.
International journal of nanomedicine
|April 23, 2024
概括
一种新型的受体,TSHR-21-42,可以识别细胞上的甲状腺刺激激素受体 (TSHR). 通过测量TSHR阳性细胞,这种阿普坦体显示出客观评估甲状腺相关眼科医症 (TAO) 活动的前景.
科学领域:
- 眼科医生 眼科 眼科
- 内分泌学 在内分泌学.
- 分子生物学分子生物学
背景情况:
- 甲状腺相关的眼科医症 (TAO) 呈现出各种表现,使诊断和治疗复杂化.
- 评估TAO活动的工具有限,这阻碍了个性化患者护理.
研究的目的:
- 开发一种能准甲状腺刺激激素受体 (TSHR) 的阿普坦体.
- 评价该阿普坦在评估TAO患者临床活性时的有用性.
主要方法:
- 选择了针对TSHR的受体,并针对亲和力和稳定性进行了优化.
- 评估了体与纤维细胞和白细胞的结合.
- 用分子对接来确定结合机制.
- 进行了对胺酶结合和临床TAO活性得分之间的相关性分析.
主要成果:
- 亚胺TSHR-21-42显示出对TSHR的高度亲和力 (Kd = 71.46).
- 在TAO患者和健康对照者之间,TSHR-21-42与外周血液白细胞的结合有所不同.
- 通过TSHR-21-42识别的TSHR阳性单细胞的百分比与TAO临床活性得分呈正相关.
结论:
- 可以使用TSHR-21-42胺基来客观地评估TAO中的疾病活性.
- 通过使用这种胺体在周围血液中评估TSHR阳性细胞为TAO严重性评估提供了一种新的方法.
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