STAT3 deficiency in uterine stroma and aberrant uterine morphology in <i>Stat3^fl/fl; Amhr2-cre⁺</i> mice.

<p>Transverse sections of uteri immunostained for STAT3 demonstrate the lack of STAT3 in <b>(A, B)</b><i>Stat3^fl/fl;Amhr2-cre⁺</i> uterine stromal cells, while luminal and glandular epithelial cells had equivalent STAT3 in all genotypes. <b>(C, D)</b><i>Stat3^fl/fl;Amhr2-cre^-</i>, <b>(E, F)</b><i>Stat3^fl/+;Amhr2-cre⁺.</i> Representative examples of 5 mice for each genotype are shown. Scale bars in A, C and E 500 µm, in B, D, and E 100 µm.