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Fig. 1. Characterization of mammary glands of virgin and pregnant
Dgat1/ mice. (A) Immunohistochemistry of
mammary glands from 8-week-old virgin female Dgat1+/+ and
Dgat1/ mice. After fixation, mammary tissue
was embedded in paraffin, sectioned, and stained with antibodies specific for
the ductal cell marker NKCC1 (red) and smooth muscle actin (SMA, green). (B)
Weights of inguinal mammary glands from wild-type and
Dgat1/ mice during pregnancy.