Evidence map›Paper›PMID 42782791›Full record

ArticleCells2026

Compartmentalized and Differential Regulation of NK- and γδ T-Cell Degranulation by Trophoblast-Derived Signals During Early Pregnancy.

Mariela Ivanova, Marina Alexandrova, Dimitar Parvanov, Diana Manchorova, Antonia Terzieva, Ivaylo Vangelov, Kiril Kirilov, Tanya Dimova

Abstract read
In one paragraph

Article in Cells, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Mariela IvanovaInstitute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.
Marina AlexandrovaInstitute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.ORCID 0000-0002-3939-4604
Dimitar ParvanovNadezhda Women's Health Hospital, 1330 Sofia, Bulgaria.ORCID 0000-0003-4992-002X
Diana ManchorovaC.S. Mott Center for Human Growth and Development, Wayne State University, Detroit, MI 48202, USA.
Antonia TerzievaInstitute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.ORCID 0009-0008-5643-6715
Ivaylo VangelovInstitute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.ORCID 0000-0002-4623-2777
Kiril KirilovInstitute of Molecular Biology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.
Tanya DimovaInstitute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.ORCID 0000-0001-8665-4352

Funding

Bulgarian Science Fund VIHREN-KP 06-DV3
6 · The paper itself

Abstract

Cytotoxic lymphocytes contribute to immune regulation at the maternal-fetal interface, yet their regulating mechanisms during early pregnancy remain elusive. We investigated compartment-specific NK- and γδT-cell degranulation towards trophoblast-derived signals. Blood and decidual mononuclear cells were obtained from non-pregnant women and women in early pregnancy. Spontaneous and trophoblast-mediated degranulation of NK- and γδT-cell subsets was assessed following co-culture with Sw71 extravillous trophoblast-like cells with normal and reduced expression of HLA-G/HLA-C molecules. CD107a-positive frequency and mean fluorescence intensity were quantified by flow cytometry. Statistical analyses included paired testing, multivariate analyses, and false discovery rate correction. Decidual cytotoxic lymphocytes displayed a distinct degranulation profile compared with blood counterparts. At baseline, γδT cells exhibited higher spontaneous degranulation than NK cells. Trophoblast co-culture exerted limited effects on NK-cell degranulation; however, decidual CD56

Indexed as

Cell DegranulationIntraepithelial LymphocytesKiller Cells, NaturalReceptors, Antigen, T-Cell, gamma-deltaTrophoblastsAdultCoculture TechniquesDeciduaExtravillous TrophoblastsFemaleHumansPregnancySignal TransductionReceptors, Antigen, T-Cell, gamma-deltadegranulationearly human pregnancyextravillous trophoblastHLAmaternal–fetal interfaceNK cellsγδ T cells

Identifiers

PMID42782791
PMCPMC13604995

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.