Volume 78, Issue 6 e12745
ORIGINAL ARTICLE

Expansion of CD4 phenotype among CD160 receptor-expressing lymphocytes in murine pregnancy

Matyas Meggyes

Matyas Meggyes

Department of Medical Microbiology and Immunology, Medical School, University of Pecs, Pecs, Hungary

Janos Szentagothai Research Centre, Pecs, Hungary

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Laszlo Szereday

Laszlo Szereday

Department of Medical Microbiology and Immunology, Medical School, University of Pecs, Pecs, Hungary

Janos Szentagothai Research Centre, Pecs, Hungary

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Pal Jakso

Pal Jakso

Department of Pathology, Medical School, University of Pecs, Pecs, Hungary

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Barbara Bogar

Barbara Bogar

Department of Medical Microbiology and Immunology, Medical School, University of Pecs, Pecs, Hungary

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Agnes Bogdan

Agnes Bogdan

Janos Szentagothai Research Centre, Pecs, Hungary

Department of Medical Biology, Medical School, University of Pecs, Pecs, Hungary

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Jasper Nörenberg

Jasper Nörenberg

Department of Medical Microbiology and Immunology, Medical School, University of Pecs, Pecs, Hungary

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Eva Miko

Eva Miko

Department of Medical Microbiology and Immunology, Medical School, University of Pecs, Pecs, Hungary

Janos Szentagothai Research Centre, Pecs, Hungary

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Aliz Barakonyi

Corresponding Author

Aliz Barakonyi

Department of Medical Microbiology and Immunology, Medical School, University of Pecs, Pecs, Hungary

Janos Szentagothai Research Centre, Pecs, Hungary

Correspondence

Aliz Barakonyi, Department of Medical Microbiology and Immunology, University of Pecs, Medical School, Pecs, Hungary.

Email: [email protected]

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First published: 16 September 2017
Citations: 4

Abstract

Problem

CD160, a cell surface co-receptor, is capable of up- or downregulating cell proliferation, cytotoxicity or cytokine production on lymphocytes. Our aim was to investigate CD160+ lymphocytes in the periphery and at the maternal-foetal interface during murine pregnancy.

Method of study

CD4+, CD8+ and gamma/delta T-cell phenotype, TIM3 co-expression and cytotoxic activity of CD160+ lymphocytes of pregnant BALB/c mice were analysed by flow cytometry.

Results

The percentage of CD160+ lymphocytes in the decidua was unchanged compared to non-pregnant endometrium; however, the ratio of CD4+ cells within the CD160 population was significantly increased. The co-expression of TIM3 co-inhibitory molecule and cytotoxicity of CD160+ cells were increased in the decidua.

Conclusion

The expansion of CD4-expressing CD160+ decidual lymphocytes is a new observation suggesting a potential regulatory role of T-cell function during mouse pregnancy. The altered immunological character of CD160+ lymphocytes could play a role in the maintenance of murine pregnancy.

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