KLF11 and endometriosis: Moreover, Zheng et al. first induced endometriosis in Krüppel-like factor 11 (Klf11) -/- mice through surgical autologous uterine tissue implantation and treated them with suberoylanilide hydroxamic acid, but did not observe any changes in collagen 1A1 expression and, consequently, the extent of fibrosis.