The effect of exogenous estradiol treatment on the mRNA expression of vascular endothelial growth factor and its receptors in cultured human oviduct mucosal cells

In: Journal of Assisted Reproduction and Genetics · 2005 · vol. 22(6) , pp. 251–255 · doi:10.1007/s10815-005-5148-3 · PMID:16021854 · W2093923401
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Exogenous estradiol treatment did not alter the mRNA expression of VEGF, KDR, or flt-1 in cultured human oviduct mucosal cells.

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The paper investigated whether exogenous estradiol alters mRNA expression of vascular endothelial growth factor (VEGF) and its receptors KDR and flt-1 in cultured human oviduct ampullary mucosal cells. Human oviduct mucosa was isolated and cultured for 6 days with estradiol added at five different concentrations or without estradiol, followed by semiquantitative RT-PCR assessment before and after culture. VEGF and KDR/flt-1 mRNA levels showed no significant differences between estradiol-treated groups and controls. This paper is centrally about endometriosis and adenomyosis only indirectly, as the broader reproductive steroid–angiogenesis context includes discussion of ovarian/endometrial VEGF regulation in relation to endometriosis pathogenesis in cited prior work, though the study itself focuses on oviduct cells rather than endometriosis or adenomyosis.

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Abstract

Purpose: To evaluate the responses of cultured oviduct mucosal cells to exogenous estradiol treatment in regulating the mRNA expression of vascular endothelial growth factor (VEGF) and its receptors.

Methods

The mucosal layer of the ampullary regions of the human oviduct was isolated and cultured with (study groups) or without (control group) the addition of exogenous estradiol in five different concentrations. Semiquantitative reverse-transcriptase-polymerase chain reaction was performed on the oviduct mucosal cells before and after the 6-day culture.

Results

There were no significant differences in the mRNA expression of VEGF and its receptors, both KDR and flt-1, between the five study groups and the control group.

Conclusions

The mRNA expression of VEGF and its receptors is not altered by exogenous estradiol treatment in cultured oviduct. This helps to explain the mechanism of temporal regulation of VEGF in human oviduct, which reaches the peak level in the peri-ovulatory stage when both the serum estradiol and gonadotropins concentrations are high. Similar content being viewed by others

References

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References (18)

SciLite annotations

chemicals 5
estradiol estradiol estradiol estradiol estradiol
organisms 3
human human human

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