ArticleCytotherapy2025
Human cornea-derived mesenchymal stromal cells inhibit T cells through indoleamine 2,3 dioxygenase.
Article in Cytotherapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
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.
Who cites it
2 citing papers in PubMed.
- Rearming mesenchymal stem cells with engineering strategies to combat cancer.Frontiers in immunology · 2026Review
- Corneal Nerve Regeneration via MSC-Derived EVs: Tissue Source and Culture Dimensionality Dictate miRNA Cargo and Therapeutic Efficacy.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
Abstract
Defining the mechanism of immune modulation by mesenchymal stromal cells (MSCs) from distinct anatomical tissues is of great translational interest. The human cornea is an immunologically privileged organ, and the mechanism of immunoregulation of cornea-derived MSCs (cMSCs) is currently unknown. We investigated cMSCs derived from the corneas of 5 independent human donorS for their fitness and mechanism of action in suppressing T cells. cMSCs display the immunophenotype CD45-CD73+CD105+CD90+CD44+ and robust in vitro growth. 30-plex secretome analysis identified that cMSCs innately secrete specific molecules in a dose-dependent manner. cMSCs do not express or upregulate costimulatory but do upregulate coinhibitory molecules upon stimulation with interferon γ (IFNγ). cMSCs inhibit T-cell proliferation in contact-dependent co-cultures, which can be predicted by a unique secretome signature. In addition, co-culturing in a 2-chamber transwell system has demonstrated that cMSCs also inhibit T-cell proliferation in a non-contact-dependent manner. Mechanistic analysis has demonstrated that activated T cells effectively induce indoleamine 2,3-dioxygenase (IDO) but not other enzymes of the tryptophan metabolic pathway in cMSCs. Silencing of IDO in cMSCs reduces their fitness to suppress T cells. These results provide evidence that in cMSCs, one of the principal mechanisms of immunosuppression on T cells is through IDO. These results suggest that MSCs derived from the human cornea display immunoregulatory properties and, thus, may play a role in maintaining the immune-privileged niche of the cornea.
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Registered trials
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.