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Effects of aromatase inhibitors on proliferation and apoptosis in eutopic endometrial cell cultures from patients with endometriosis.

Abstract：

OBJECTIVE:To study the effect of letrozole (Let) and anastrozole (Anas) on apoptosis and cell proliferation in epithelial endometrial cells (EEC) from patients with endometriosis (EDT). DESIGN:Prospective study. SETTING:Research institute and clinical fertility center. PATIENT(S):Eighteen women with untreated EDT. INTERVENTION(S):Biopsy specimens of eutopic endometrium were obtained from all subjects. Apoptosis and cell proliferation were examined in EEC after incubation with Let or Anas. MAIN OUTCOME MEASURE(S):Percentage of apoptotic cells (ApC) was evaluated by the acridine orange-ethidium bromide technique; cell proliferation was assessed by 3H-thymidine incorporation. RESULT(S):Treatment with Let 10 nM and Let 100 nM enhanced values of ApC in cultures from EDT patients. Epithelial endometrial cells treated with Anas 100 nM or Anas 500 nM showed a statistically significant induction on apoptosis levels. Cultures treated with Let 1 nM or Anas 50 nM did not show any significant differences in ApC levels compared with basal conditions. 3H-Thymidine uptake was down regulated by Let 10 nM and Let 100 nM. Similarly, Anas 100 nM and Anas 500 nM showed a significantly lower degree of cell proliferation in EEC. Lower concentrations of Let and Anas did not induce any significant change in cell proliferation rates. CONCLUSION(S):Our results show that Let and Anas produced a significant and positive effect on apoptosis and cell proliferation on EEC from EDT patients. These findings support the further investigation of aromatase inhibitors as a treatment option in EDT.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Meresman GF,Bilotas M,Abello V,Buquet R,Tesone M,Sueldo C

doi

10.1016/j.fertnstert.2005.01.137

keywords:

subject

Has Abstract

pub_date

2005-08-01 00:00:00

pages

459-63

issue

2

eissn

0015-0282

issn

1556-5653

pii

S0015-0282(05)00891-5

journal_volume

84

pub_type

杂志文章

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