Table 1.

Summary of PR and PRB distribution in human tissues

Organs	Cell type	Cell localization
Uterus	Endometrial epithelial cells, endometrial stroma cells*	Nucleus
Ovary	Epithelial cells, granular cells, fallopian tube epithelium, luteinizing cells*	Nucleus
Breast	Ductal cells of mammary glands	Nucleus
Placenta	Cytotrophoblasts*	Nucleus
Pituitary	Endocrine cells of the anterior lobe	Nucleus and cytoplasm
Pancreas	Islet of Langerhans and acinar cells	Nucleus and cytoplasm
Stomach	Epithelial cells of fundic gland	Cytoplasm
Small intestine	Epithelial cells in the crypt	Cytoplasm
Colon	Epithelial cells in the crypt	Cytoplasm
Liver	Hepatocyte around central and portal vein	Cytoplasm
Kidney	Proximal and distal tubules	Cytoplasm
Urinary bladder	Urothelial epithelial cells	Cytoplasm
Testis	Leydig cells, epithelial cell of the epididymis	Cytoplasm
Lung	Submucosal glandular cells in the bronchus	Cytoplasm
Adrenal gland	Cortex (ZG ZF ZR) and medulla	Cytoplasm
Skin	Keratinocyte of the basal site of the epidermis	Cytoplasm

^*= cell type that has little to no PRB expression