Expression of heparin-binding epidermal growth factor-like growth factor and its receptors in the human fallopian tube and endometrium after treatment with mifepristone.

Abstract:

OBJECTIVE:To study the effect of mifepristone on heparin-binding epidermal growth factor (HB-EGF) and its receptors HER1 and HER4 in the fallopian tube and in the endometrium. DESIGN:Prospective clinical study. SETTING:Hospital-based unit for obstetrics and gynecology and research laboratories. PATIENT(S):Healthy women divided into two groups: controls and patients treated with a single dose of 200 mg mifepristone on day LH+2. INTERVENTION(S):Endometrial biopsies from 30 women were obtained during one control cycle or one treatment cycle. Fallopian tubes from 14 women were collected during laparoscopic sterilizations. MAIN OUTCOME MEASURE(S):Immunohistochemistry and reverse transcriptase-polymerase chain reaction. RESULT(S):The staining intensity of HB-EGF was not affected by mifepristone treatment. Treatment with mifepristone increased the immunostaining on HER1 in the epithelium and the stroma of the endometrium, which was not seen in the fallopian tube. The immunostaining of HER4 decreased in the stroma of the fallopian tube, while an increase was seen in the epithelial cells of the endometrium. CONCLUSION(S):Treatment with mifepristone has a limited effect on HB-EGF and its receptors in the fallopian tube, while the increase in HER1 and HER4 in the endometrium probably reflects defective endometrial maturation.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Sun XX,Gemzell-Danielsson K,Li HZ,Stâbi B,Stavreus-Evers A

doi

10.1016/j.fertnstert.2005.08.011

keywords:

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

171-8

issue

1

eissn

0015-0282

issn

1556-5653

pii

S0015-0282(05)03603-4

journal_volume

85

pub_type

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