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Differential expression of T-helper cytokines in the peritoneal fluid of women with normal ovarian cycle compared with women with chronic anovulation.

Abstract：

BACKGROUND:Estrogen and progesterone immunoregulate the genital environment by expression of cytokines and growth factors. OBJECTIVE:To investigate the pattern of expression of T-helper cytokines during the ovarian cycle compared with women with chronic anovulation resistant to clomiphene citrate. HYPOTHESIS:Expression of T-helper cytokines in women with chronic anovulation may be different from the pattern in women with a normal ovarian cycle. METHODS:We evaluated 31 infertile women having laparoscopy for evaluation of tubal patency and evidence of ovulation in two groups during (a) the luteal phase (17 women) and (b) the follicular phase (14 women). A third group was composed of 14 women with polycystic ovarian syndrome, but they were resistant to clomiphene citrate for induction of ovulation and had laparoscopic ovarian cautery. Peritoneal fluid was collected during laparoscopy. Estimation of T-helper cytokine interleukin (IL)-2, tumor necrosis factor (TNF)-alpha, IL-4 and IL-6 in serum, peritoneal fluid and culture of the peritoneal mononuclear cells was performed by ELISA. Serum luteinizing hormone (LH), follicle stimulating hormone (FSH), prolactin, estradiol and progesterone were evaluated by the Vidas Parametric System. RESULTS:The LH : FSH ratio was significantly higher in the women with polycystic ovaries than in the ovulatory groups. IL-2 and IFN-gamma were more highly expressed in the follicular phase but the T-helper 2 cytokines IL-4 and IL-6 predominated in the luteal phase, serum, peritoneal fluid and culture of the peritoneal mononuclear cells. From the follicular to the mid-luteal phase, IL-6 increased three to fivefold in the serum and peritoneal fluid, but there was low expression with anovulation. CONCLUSIONS:The peritoneal fluid levels of IL-4 and IL-6 are higher in the luteal phase. Low IL-6 levels in chronic anovulation may be a marker of resistance to clomiphene citrate.

journal_name

Acta Obstet Gynecol Scand

journal_title

Acta obstetricia et gynecologica Scandinavica

authors

Omu AE,Al-Azemi MK,Makhseed M,Al-Oattan F,Ismail AA,Al-Tahir S,Al-Busiri N

doi

10.1034/j.1600-0412.2003.00045.x

subject

Has Abstract

pub_date

2003-07-01 00:00:00

pages

603-9

issue

eissn

0001-6349

issn

1600-0412

pii

045

journal_volume

pub_type

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Differential expression of T-helper cytokines in the peritoneal fluid of women with normal ovarian cycle compared with women with chronic anovulation.