What question did this study set out to answer?

To evaluate how interferon tau (IFN-τ) modulates peripheral blood mononuclear cell (PBMC) phenotypes in vitro and alters endometrial immune cell balance in vivo in recurrent implantation failure.

October 24, 2025ImmunoOpen Access

IFN-τ Modulates PBMC Cytokine Profile and T Cell Phenotype to Improve Endometrial Immune Composition in the Implantation Window: A Combined In Vitro and In Vivo Study

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Authors

MRMargarita RusevaNational Heart Hospital DPDimitar ParvanovWomen’s Health Care RGRumiana GanevaWomen’s Health Care

Discussion

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Overview

Translational study shows that IFN-τ-treated PBMCs induce a tolerogenic endometrial immune profile in recurrent implantation failure, indicating therapeutic potential in assisted reproduction.

Key Points

To evaluate how interferon tau (IFN-τ) modulates peripheral blood mononuclear cell (PBMC) phenotypes in vitro and alters endometrial immune cell balance in vivo in recurrent implantation failure.
In vitro culture of PBMCs from 20 patients with recurrent implantation failure treated with or without IFN-τ for 24 hours, analyzing cytokine secretion by ELISA and T-cell subsets via flow cytometry.
An in vivo clinical study in 55 patients with recurrent implantation failure who received intrauterine infusions of IFN-τ-modulated PBMCs, followed by endometrial biopsy analysis during the implantation window.
In vitro, IFN-τ exposure increased IL-4 and reduced TNF-α and IL-6 secretion, alongside decreases in cytotoxic T, Th1, Th9, and Th17 cells and improved Th1/Th2 and Th17/Treg ratios.
In vivo, intrauterine transfer of modulated PBMCs significantly increased endometrial helper T cells and macrophages, elevating Th/total T, Th/cytotoxic T, and Th/macrophage ratios toward a tolerogenic state.

Cite This Study

Ruseva et al. (2025) studied this question.

synapsesocial.com/papers/6a7eba56400aca267ab993a5 https://doi.org/10.3390/immuno5040051

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October 24, 2025ImmunoOpen Access

IFN-τ Modulates PBMC Cytokine Profile and T Cell Phenotype to Improve Endometrial Immune Composition in the Implantation Window: A Combined In Vitro and In Vivo Study

View Full Paper

Ask AI

Bookmark

Authors

MRMargarita RusevaNational Heart Hospital DPDimitar ParvanovWomen’s Health Care RGRumiana GanevaWomen’s Health Care

Discussion

Member takes

Overview

Translational study shows that IFN-τ-treated PBMCs induce a tolerogenic endometrial immune profile in recurrent implantation failure, indicating therapeutic potential in assisted reproduction.

Key Points

To evaluate how interferon tau (IFN-τ) modulates peripheral blood mononuclear cell (PBMC) phenotypes in vitro and alters endometrial immune cell balance in vivo in recurrent implantation failure.
In vitro culture of PBMCs from 20 patients with recurrent implantation failure treated with or without IFN-τ for 24 hours, analyzing cytokine secretion by ELISA and T-cell subsets via flow cytometry.
An in vivo clinical study in 55 patients with recurrent implantation failure who received intrauterine infusions of IFN-τ-modulated PBMCs, followed by endometrial biopsy analysis during the implantation window.
In vitro, IFN-τ exposure increased IL-4 and reduced TNF-α and IL-6 secretion, alongside decreases in cytotoxic T, Th1, Th9, and Th17 cells and improved Th1/Th2 and Th17/Treg ratios.
In vivo, intrauterine transfer of modulated PBMCs significantly increased endometrial helper T cells and macrophages, elevating Th/total T, Th/cytotoxic T, and Th/macrophage ratios toward a tolerogenic state.

Cite This Study

Ruseva et al. (2025) studied this question.

synapsesocial.com/papers/6a7eba56400aca267ab993a5 https://doi.org/10.3390/immuno5040051

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