The mouse model of endometriosis was performed as described previously [36 (link), 37 (link)]. Donor mice were treated subcutaneously with estradiol benzoate (3 μg/mouse, MCE). One week after the estrogen injection, donor mice were sacrificed and each uterine horn was collected and split longitudinally with a pair of scissors. Carefully mechanical dissected each uterine horn into fragments with a maximal diameter lower than 1 mm, Endometriosis was induced by injecting the uterine horn fragments from two mice intraperitoneally into three recipient mice.
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