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Table 2 Percentages of receptor positive cells within the LREC population

From: Estrogen receptor-α and progesterone receptor are expressed in label-retaining mammary epithelial cells that divide asymmetrically and retain their template DNA strands

Time point

Percentage

 

ER-α+

PR+

Week 11

27.8

28.5

Group 1 early

45.0

31.1

Group 2 early

23.7

19.1

Group 3 early

29.7

24.7

Group 1 late

22.7

25.9

Group 2 late

26.1

30.8

Group 3 late

31.9

25.5

  1. One thousand epithelial cells were counted in mammary gland sections stained for ER-α or PR. Group I animals received estradiol injections; group II received estradiol and progesterone; and group III received estradiol, progesterone, and prolactin. ER, estrogen receptor; LREC, label-retaining epithelial cell; PR, progesterone receptor.
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Breast Cancer Research

ISSN: 1465-542X

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