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无线光遗传向性受体可帮助宿主细胞在植入物相关感染中赢得竞争性殖民

Xinyu Fang^1,2,3, Haiqi Ding^1,2,3, Yang Chen^1,2,3

¹Department of Orthopedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350000, China.

|August 1, 2024

概括

使用光遗传学激活外围感知神经可以增强宿主对植入物感染的免疫力. 这种方法可以提高免疫细胞在植入物表面的活性,对抗金黄色葡萄球菌并预防感染.

科学领域:

神经科学是一个神经科学.
免疫学免疫学免疫学
生物医学工程生物医学工程

背景情况:

植入物相关感染是一个重大的临床挑战,即使在细菌负载较低的情况下,也经常发生.
nociceptive神经在调节对疼痛或等刺激的免疫反应中的精确作用尚未完全理解.
与植入体手术相比,传统的手术场所的感染率较低.

研究的目的:

研究激活外围感应神经以调节免疫反应的潜力.
探索一种新的光遗传方法来控制体内感知神经活动.
评估 nociceptive神经激活对预防植入物相关感染的影响.

主要方法:

开发和使用一个完全可植入,无线充电的光遗传装置.
在清醒,自由移动的小鼠的四肢中选择性激活外围感知神经 (感知器).
评估宿主细胞对植入物表面的粘附和免疫细胞介导的细菌杀死.

主要成果:

视觉受体的光遗传激活在内化肢体中诱导了预期性免疫.
在神经激活后,观察到宿主细胞对植入物表面的增强粘附.
这种免疫调节导致在植入物上有效,急性杀死金黄色葡萄球菌,防止感染的建立.

结论:

周围感知神经的激活可以使免疫系统抵抗植入物相关的感染.
对 nociceptors 的光遗传控制提供了一种新的策略,用于增强植入物部位的宿主防御.
这项研究为预防和治疗植入物感染提供了一个有希望的新途径.

关键词:

预期性免疫力预期性免疫力植入物表面竞争植入物表面竞争与植入物相关的感染感觉受体 (nociceptors) 是一种感觉受体.视觉遗传学视觉遗传学

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