Journal: Experimental and Therapeutic Medicine
Article Title: MicroRNA-16 regulates lipopolysaccharide-induced inflammatory factor expression by targeting TLR4 in normal human bronchial epithelial cells
doi: 10.3892/etm.2021.10414
Figure Lengend Snippet: TLR4 knockdown alleviates LPS-induced inflammatory factors secretion from NHBE cells. (A) Western blot analysis for TLR4 protein expression after transfection with si-TLR4. The secretion levels of (B) TNF-α, (C) IL-1β and (D) IL-6 were measured by ELISA following transfection of NHBE cells with si-TLR4 or si-NC for 48 h. * P<0.05. LPS, lipopolysaccharide; TNF-α, tumor necrosis factor α; IL, interleukin; si, small interfering; NC, negative control; TLR4, toll-like receptor 4; NHBE, normal human bronchial epithelial.
Article Snippet: The membranes were first probed with the anti-TLR4 mouse polyclonal antibody incubated at 4 ̊C overnight (cat. no. sc-293072; dilution 1:1,500; Santa Cruz Biotechnology, Inc.) and then with a corresponding horseradish peroxidase-conjugated secondary antibody (cat. no. sc-525409; 1:5,000; Santa Cruz Biotechnology, Inc.) at room temperature for 1.5 h. An enhanced chemiluminescence kit (EMD Millipore) was used for visualization of the results and quantification of the bands was performed using the Image J software (v1.8.0; National Institutes of Health).
Techniques: Knockdown, Western Blot, Expressing, Transfection, Enzyme-linked Immunosorbent Assay, Negative Control