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[TFs]

Dear all,

I just begin to do mouse work. When I do H&E staining for paraffin embed section of mouse mammary gland, I found there are some abnormal shape epithelial cells, the nucleus are triangle or elongated not round (pls see the attached file, red arrow). Does anybody know what's these cells?

One thing I was thinking is that the mouse mammary gland undergoes involution, so the epithelial cells are "eaten" by surrounding nonprofessional phagocytes (they are also epithelial cells just because they have the ability to phagocytosis).

Thanks,

Bo

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