Progesterone Receptor (PgR) staining

These images show the lack of PgR in mammary tumors from c-ErbB2 and PyV-mT transgenic females.
(Slides courtesy of Dr. Carol MacLeod, University of California, San Diego and Dr. Wm. J. Muller, McMaster University)
(Antibody courtesy of Dr. Shyamala Harris, University of California, Berkeley)


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