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Table 3 Levels of progenitor cells during the menstrual cycle

From: Smoking decreases the level of circulating CD34+ progenitor cells in young healthy women - a pilot study

  

non-smokers

(n = 8)

Smokers

(n = 12)

  

M + 3

M + 7

M - 7

M + 3

M + 7

M - 7

CD34+

(%PMBC)

0.08 ± 0.03

0.09 ± 0.03

0.08 ± 0.02

0.06 ± 0.02*

0.06 ± 0.02*

0.06 ± 0.01*

CD34+/CD133+

(%PMBC)

0.04 ± 0.02

0.04 ± 0.02

0.04 ± 0.02

0.04 ± 0.01

0.02 ± 0.01

0.03 ± 0.01

EPC-CFU

(per106 PBMC)

45.8 ± 12.5

49.3 ± 22

28.2 ± 6.4

21.9 ± 18.8

14.5 ± 21.3

16.4 ± 19.1

estradiol

(pmol/l)

188 ± 79

353 ± 119

664 ± 138

138 ± 78

285 ± 150

545 ± 128

progesterone

(nmol/l)

2.6 ± 0.6

1.7 ± 0.4

55.3 ± 26.9

4.8 ± 1.6

2.8 ± 0.8

47.1 ± 16.8

  1. *p < 0.05 for comparison of non-smokers vs. smokers; values are mean ± SD; CD34+ = progenitor cells positive for hematopoietic stem cell marker CD34; CD34+/CD133+ = progenitor cells positive for hematopoietic stem cell markers CD34 and CD133; EPC-CFU = endothelial progenitor cells analyzed in vitro by formation of colony forming units