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Mechanical ventilation modulates Toll-like receptors 2, 4, and 9 on alveolar macrophages in a ventilator-induced lung injury model

   
@article{JTD3928,
	author = {Huijun Dai and Linghui Pan and Fei Lin and Wanyun Ge and Wei Li and Sheng He},
	title = {Mechanical ventilation modulates Toll-like receptors 2, 4, and 9 on alveolar macrophages in a ventilator-induced lung injury model},
	journal = {Journal of Thoracic Disease},
	volume = {7},
	number = {4},
	year = {2015},
	keywords = {},
	abstract = {Objective: To investigate the role of Toll-like receptor 2 (TLR2), TLR4, TLR9 and myeloid differentiation factor 88 (MyD88) on alveolar macrophages in ventilator-induced lung injury (VILI). 
Methods: Male, adult pathogen-free Sprague-Dawley rats weighing 300-350 g were used in this study. Animals were tracheotomized and allowed to breathe spontaneously for 4 h or mechanically ventilated for 4 h with low or high tidal volume (7 or 40 mL/kg). TLR2, TLR4, and TLR9, MyD-88 and NF-κΒ of alveolar macrophages’ expression under the different ventilation conditions were detected. Pulmonary permeability, lung inflammatory, IL-6 and IL-1β were assessed as well. 
Results: Rats subjected to high tidal volume showed significantly greater pulmonary permeability and lung inflammatory than the control rats. Alveolar macrophages from rats subjected to high tidal volume also showed significantly higher protein expression of TLR2 (0.59±0.049 vs. 0.35±0.036 and 0.36±0.031, both P},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/3928}
}