Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Difference in Nrf-2 expression in airway models and impact of PM. (A) Expression of Nrf-2 was investigated by Western Blot analysis and GAPDH was used as a loading control, (B) Nrf-2 protein level was quantified and normalized to GAPDH band intensity. COPD, chronic obstructive pulmonary disease; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; Nrf-2, nuclear factor erythroid-derived 2-like 2; PM, particulate matter. **: p < 0.01, and ****: p < 0.0001, ns: non-significant
