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Endometrial Tissue RNA expression in recurrent pregnancy losses and unexplained infertility vs. conrol

ABSTRACT: Endometrial Tissue RNA expression in recurrent pregnancy losses and unexplained infertility vs. conrol

PROVIDER: PRJNA692758 | ENA |

REPOSITORIES: ENA

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Project description:ObjectiveTo study decidualization-associated endometrial factors.DesignRetrospective cohort study to compare endometrial gene expression patterns in women experiencing reproductive failure including recurrent pregnancy loss or unexplained infertility versus fertile controls.SettingUniversity Reproductive Medicine Center.PatientsWomen experiencing recurrent reproductive failure including recurrent pregnancy loss or unexplained infertility (n = 42) and fertile controls (n = 18).InterventionsEndometrial biopsy samples were analyzed with targeted ribonucleic acid sequencing via next-generation sequencing.Main outcome measuresThe primary end point measurements were the expression of genes important for endometrial transformation during decidualization measured singly and in a combined/cumulative score approach. The secondary end point measurements were receiver operating curve analysis and comparisons between the specific biomarkers.ResultsThe comparison revealed differential expression of factors associated with decidualization, tissue homeostasis, and immune regulation: FOXO1, GZMB, IL15, SCNN1A, SGK1, and SLC2A1. A combined evaluation of these 6 signature factors was designated as a decidualization score in which the maximal score was "6" and the minimal was "0". Among controls, 89% of the samples had a score ≥5 and 11% had a score of "4". A total of 76% of samples in the patient group had scores ≤4 and 19% had the lowest score of "0". A decidualization score <4 provided evidence of abnormality in the decidualization process with a sensitivity of 76% (95% CI 61%-88%) and specificity of 89% (95% CI 65%-99%).ConclusionsDecidualization scoring can determine whether the endometrial molecular profile is implantation-friendly. Further validation of this testing approach is necessary to determine a particular patient population in whom it could be used for selecting patients that require therapeutic actions to improve endometrial conditions prior to the in vitro fertilization procedure.

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Endometrial Tissue RNA expression in recurrent pregnancy losses and unexplained infertility vs. conrol

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