SERPINH1 and pulmonary fibrosis: Moreover, recent researches by Hagiwara and his colleagues reported that inhibition of HSP47 by antisense oligodeoxynucleotides significantly suppressed the production of collagen and subsequently attenuated pulomonary fibrosis in bleomycin-, lipopolysaccharide- and paraquat-induced pulmonary fibrosis in rats [28-30].