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肌磁细胞板的免疫调节行为可以在磁性刺激下在低毒环境中调节

Adriana Vinhas^1,2, Márcia T Rodrigues^1,2, Ana I Gonçalves^1,2

¹3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark─Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.

ACS applied materials & interfaces

|August 14, 2024

概括

脉冲电磁场 (PEMF) 疗法可以减轻缺氧肌细胞的炎症. PEMF促进像IL-10和IL-4这样的亲再生性细胞因子,为肌愈合提供新的途径.

科学领域:

生物材料科学生物材料科学
细胞生物学细胞生物学
再生医学是一种再生医学.

背景情况:

肌平衡因慢性炎症和缺氧而被破坏,导致退化.
缺氧状况会加剧炎症反应,并影响细胞亡和基质生产.
脉冲电磁场 (PEMF) 在调节人类肌细胞 (hTDCs) 中的炎症信号和减轻缺氧效应方面表现有前途.

研究的目的:

研究低氧环境 (1-2%氧气) 对来自hTDCs的磁性细胞板 (magCSs) 炎症概况的影响.
探索PEMF在氧暴露和IL-1β原始化磁性CS中调节炎症反应的治疗潜力.
利用磁刺激引导异常的炎症细胞对肌再生的反应.

主要方法:

使用在hTDC中内部化的磁纳米粒子形成磁性细胞板 (magCSs).
暴露magCSs在低氧条件下 (1%和2%的氧气张力).
将PEMF应用于缺氧治疗和IL-1β原始化magCSs,然后对基因表达和炎症标记物进行分析,包括NF-κB通路.

主要成果:

缺氧放大了IL-1β主导的magCS中的缺氧相关基因和炎症标志物,涉及NF-κB通路.
将PEMF应用于缺氧治疗的magCSs调节了炎症线索,通过NF-κB通路促进IL-10和IL-4的表达.
在缺氧下IL-1β原始化显著增加了magCSs的炎症基因表达.

结论:

低氧张力通过NF-κB通路加剧肌细胞的炎症.
在缺氧下,PEMF有效调节炎症反应,促进亲再生性细胞因子.
免疫调节磁性细胞板与PEMF相结合,为肌再生疗法提供了一个有前途的战略.

关键词:

缺氧缺氧是指缺氧的情况.这是一种炎症炎症炎症炎症.磁性细胞片的磁性细胞片.磁性纳米粒子是一种磁性纳米粒子.肌衍生细胞是肌衍生细胞.

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