Fig. 3From: Soluble epoxide hydrolase deficiency attenuates airway inflammation in COPD via IRE1α/JNK/AP-1 signaling pathwaysEH deficiency attenuated ultrastructural damages in ER. TEM showed ultrafine changes in ER morphology in each group of lung tissues after 16 weeks of CS exposure. Red arrows indicate the structure of ER.Back to article page