Characteristics of Human Endometrium-Derived Mesenchymal Stem Cells and Their Tropism to Endometriosis

Figure 3

EMSCs and ectopic endometrium tumourigenicity. (a) Macroscopic observation. (A-1) Absence of tumour formation from inoculated EMSCs. (A-2) Lesion formation from ectopic endometrium inoculation. (b) H&E staining. (B-1) EMSC injection site after H&E staining in the EMSC group. (B-2) NS injection site after H&E staining in the EMSC group. (B-3) Ectopic endometrium injection site after H&E staining. Arrow indicates endometrial glands. (B-4) NS injection site after H&E staining in the ectopic endometrium group.

(a)

(b)