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Blood:急性炎症时,Myo1f对于中性粒细胞在3D环境中迁移必不可少

2018-03-02 MedSci MedSci原创

中性粒细胞外渗和间质迁移是炎症部位招募中性粒细胞过程中的重要步骤。在本研究中,研究人员对非传统性I型肌球蛋白1f(Myo1f)在急性炎症中对中性粒细胞运动的功能和意义进行探究。研究人员通过活体镜检法发现,与白细胞旋转和黏附相比,Myo1f的遗传性缺失会严重影响中性粒细胞从循环中外渗到小鼠发炎的睾提肌组织。在急性腹膜炎和急性肺损伤的实验模型中观察到相似的结果。与不依赖于Myo1f的二维迁移相比,My

中性粒细胞外渗和间质迁移是炎症部位招募中性粒细胞过程中的重要步骤。在本研究中,研究人员对非传统性I型肌球蛋白1f(Myo1f)在急性炎症中对中性粒细胞运动的功能和意义进行探究。

研究人员通过活体镜检法发现,与白细胞旋转和黏附相比,Myo1f的遗传性缺失会严重影响中性粒细胞从循环中外渗到小鼠发炎的睾提肌组织。在急性腹膜炎和急性肺损伤的实验模型中观察到相似的结果。与不依赖于Myo1f的二维迁移相比,Myo1f对中性粒细胞在三维环境中迁移至关重要,如在胶原蛋白网中的穿梭和迁移,Myo1f在中性粒细胞迁移通过物理屏障过程中调节中性粒细胞的挤压和动态形变。

综上所述,本研究证实Myo1f在炎症中性粒细胞迁移过程中,通过特异性调控中性粒细胞在三维环境中的外渗和迁移,发挥重要作用。

原始出处:

Melanie Salvermoser,et al. Myosin 1f is specifically required for neutrophil migration in 3D environments during acute inflammation. Blood  2018  :blood-2017-10-811851;  doi: https://doi.org/10.1182/blood-2017-10-811851

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