Serum and follicular fluid monocyte chemotactic protein-1 levels are elevated in obese women and are associated with poorer clinical pregnancy rate after in vitro fertilization: a pilot study

Elevated monocyte chemotactic protein-1 is associated with poorer clinical pregnancy rate after in vitro fertilization.
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Volume 107, Issue 3, Pages 632–640

Authors:

Erkan Buyuk, M.D., Obehi A. Asemota, M.D., Zaher Merhi, M.D., Maureen J. Charron, Ph.D., Dara S. Berger, Ph.D., Athena Zapantis, B.S., Sangita K. Jindal, Ph.D.

Abstract:

Objective

To determine whether monocyte chemotactic protein-1 (MCP-1), a proinflammatory chemokine important in ovulation, is abnormally elevated in obese women undergoing IVF and whether serum and follicular fluid (FF) levels of MCP-1 are associated with IVF outcome.

Design

Prospective pilot study.

Setting

Academic center.

Patient(s)

Women undergoing IVF.

Intervention(s)

Serum and FF were collected from women undergoing IVF.

Main Outcome Measure(s)

Correlation between MCP-1 and other inflammatory markers with adiposity and pregnancy outcome after IVF.

Result(s)

Obese women had significantly higher serum and FF MCP-1 levels compared with overweight and normal weight women. Serum MCP-1, granulocyte colony stimulating factor, catalase, and C-reactive protein (CRP) were positively correlated with body mass index (BMI). After adjusting for age and baseline FSH, these correlations remained significant for serum MCP-1, granulocyte colony stimulating factor, and CRP. In the FF, only MCP-1 was positively correlated with BMI. Women who became pregnant had significantly lower serum MCP-1 and CRP levels compared with those who did not become pregnant; this difference was more pronounced among women with diminished ovarian reserve. Receiver operating characteristic curve demonstrated that serum MCP-1 levels >373.0 pg/mL in all women and >362.6pg/mL in women with diminished ovarian reserve predicted failure to achieve a clinical pregnancy.

Conclusion(s)

Elevations in serum and FF MCP-1 levels are positively correlated with adiposity and negatively correlated with pregnancy rates (PRs) in women undergoing IVF.


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