Preparation of Lung Homogenates and Cytokines Assays

KW Ke Wei
JL Jie Luo
JC Jun Cao
LP Lihua Peng
LR Li Ren
FZ Fan Zhang
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The intermediate lobes of the right lungs were harvested and homogenized in 1 mL of PBS with an Ultra-Turrax tissue homogenizer. The homogenates were then centrifuged at 2000 rpm for 10 min at 4°C. The supernatants were passed through a 0.45 µm filter, collected, and then stored at −80°C for cytokine production analysis. The levels of tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-10 in the lung homogenate supernatants were determined using the enzyme-linked immunosorbent assay (ELISA) kits (R&D Systems, Minneapolis, MN, USA) according to the manufacturer’s instructions.

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