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Cited by 212

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Regulatory T cells induce a privileged tolerant microenvironment at the fetal‐maternal interface

Open access
Zenclussen, Ana C., Gerlof, Katrin, Zenclussen, Maria L., Ritschel, Stefanie, Zambon Bertoja, Annarosa, Fest, Stefan, Hontsu, Shigeto, Ueha, Satoshi, Matsushima, Kouji, Leber, Joachim, Volk, Hans‐Dieter·2006·European Journal of Immunology

Abstract

The mechanisms underlying immune tolerance during pregnancy are poorly understood. In this regard, Treg seem to play an important role in mediating maternal tolerance to the fetus. We proposed a crucial role of T regulatory cells (Treg) in avoiding immunological rejection of the fetus after observing diminished number and function of Treg in abortion‐prone mice. We further confirmed the protective role of Treg during pregnancy by transferring pregnancy‐induced Treg into abortion‐prone mice, which prevented rejection. Here, we analyzed the mechanisms involved in Treg‐mediated protection. As expected, Treg therapy prevented abortion, while expanding the peripheral and thymic Treg population. Surprisingly, the decidual levels of the Th1 cytokines IFN‐γ and TNF‐α were not diminished after therapy. Interestingly, the mRNA levels of leukemia inhibitory factor, TGF‐β and heme oxygenase‐1 at the fetal‐maternal interface were dramatically up‐regulated after Treg transfer, while the levels of indolamine 2,3‐dioxygenase remained unchanged. Our data suggest that Treg treatment can not prevent T cell infiltration or high Th1 levels but is able to create a privileged tolerant microenvironment at the fetal‐maternal interface, further shedding light onto the molecular mechanisms involved in pregnancy tolerance.

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Metadata

Authors
Zenclussen, A. C., Gerlof, K., Zenclussen, M. L., Ritschel, S., Zambon Bertoja, A., Fest, S., Hontsu, S., Ueha, S., Matsushima, K., Leber, J., & Volk, H.
Venue
European Journal of Immunology
Publisher
Wiley
Published
2005-12-27
Volume
36
Issue
1
Pages
82-94
ISSN
  • 0014-2980 (ISSN-L)
  • 1521-4141
OpenAlex
W2126011537
Cited by
212
References
2
FWCI
4.29
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Regulatory T cells induce a privileged tolerant microenvironment at the fetal‐maternal interface. https://app.cochat.ai/papers/10.1002/eji.200535428
The paper
Zenclussen, A. C., Gerlof, K., Zenclussen, M. L., Ritschel, S., Zambon Bertoja, A., Fest, S., Hontsu, S., Ueha, S., Matsushima, K., Leber, J., & Volk, H. (2006). Regulatory T cells induce a privileged tolerant microenvironment at the fetal‐maternal interface. European Journal of Immunology. https://doi.org/10.1002/eji.200535428

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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