Levels of expression of TGF‐β1 (Fig. 5A) and CTGF (Fig. 5B) at day 14 after BLM administration were significantly decreased in the lungs of mice injected with 17(R)‐RvD1 (i.e., BLM/RvD1 group mice). The gene discussed is TGFB1; the disease is Bloom syndrome.