Table 1

Endothelin-1 (ET-1) concentrations (mean ± SEM) in the ovaries, the adrenal glands, and the hypothalami in the three experimental groups the healthy control group, the polycystic ovary (PCO) control group, and the PCO group receiving electro-acupuncture (EA).


ET-1 concentrations (pmol/g)



Healthy control
PCO Control
PCO EA

Ovary
0.44 ± 0.11
0.38 ± 0.14
0.15 ± 0.05a
Adrenal gland
0.01 ± 0.01
0.05 ± 0.02
0.06 ± 0.04
Hypothalamus
0.14 ± 0.05
0.33 ± 0.10
0.71 ± 0.23a

a p < 0.05 when the PCO group receiving EA were compared with the healthy controls.

Stener-Victorin et al. Reproductive Biology and Endocrinology 2003 1:33   doi:10.1186/1477-7827-1-33