The relationship between follicle development and progesterone receptor membrane component-1 expression in women undergoing in vitro fertilization

Eighteen percent of women undergoing IVF overexpressed PGRMC1, which was associated with a 30% reduction in follicle development and the number of mature oocytes but not ongoing pregnancy rates.


Alyaa Elassar, M.D., Xiufang Liu, Victoria Scranton, Carol A. Wu, Ph.D., John J. Peluso, Ph.D.

Volume 97, Issue 3, Pages 572-578



To determine the relationship between progesterone receptor membrane component-1 (PGRMC1) expression and the outcome of IVF treatment.


A prospective study in which PGRMC1 messenger RNA (mRNA) levels, methylation status of the Pgrmc1 promoter, and the presence of point mutations within Pgrmc1 were obtained from granulosa (GC)/luteal cells of women undergoing controlled ovarian hyperstimulation (COH).


Fertility center/basic science laboratory.


Eighty-five patients undergoing IVF treatment and 10 women who were undergoing COH for the purpose of oocyte donation were included in this study.



Main Outcome Measure(s):

The PGRMC1 measurements were correlated with clinical outcomes, such as number of follicles, number of retrieved oocytes, and ongoing pregnancy rates (PR).


The PGRMC1 mRNA levels within GC/luteal cells of 18% of IVF patients were >2.25-fold higher than those of oocyte donors. Individuals with elevated PGRMC1 mRNA levels had 30% fewer large follicles and fewer oocytes retrieved. The elevated PGRMC1 mRNA levels were associated with an increase in the methylation of Pgrmc1 promoter.


In patients with elevated PGRMC1 mRNA levels, gonadotropin-induced follicle development is attenuated, although sufficient numbers of follicles develop to allow for ET and subsequent pregnancy.

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