ArticlePLoS pathogens2025
Two-pore channels in MR1-dependent presentation of Mycobacterium tuberculosis infection.
Article in PLoS pathogens, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 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.
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Who cites it
5 citing papers in PubMed.
- Sorting endosomes play key roles in presentation of Mycobacterium tuberculosis-derived ligands to MAIT cells.Scientific reports · 2026Article
- Article
- Mutations outside the MR1 antigen binding groove differentially inhibit presentation of exogenous antigens.The Journal of biological chemistry · 2026Article
- Opposing roles for SNAP23 and SNAP25 in mediating MR1 trafficking and antigen presentation.bioRxiv : the preprint server for biology · 2026Article
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Authors and funding
9 authors.
Funding
Abstract
MR1 is a ubiquitously expressed MHC-Ib molecule that presents microbial metabolites to MR1-restricted T cells, but there are differences in the antigen presentation pathway of an intracellular microbe compared to exogenously delivered antigen. We have shown the importance of endosomal trafficking proteins in MR1-dependent presentation of Mycobacterium tuberculosis (Mtb) infection. Two pore channels (TPCs) are endosomal calcium channels that regulate endosomal trafficking. Due to their location on endosomes, we hypothesized that TPCs could be required for MR1-dependent presentation of antigens derived from the intracellular microbe Mtb. We found that TPC1 is critical for the presentation of Mtb infection by MR1; inhibition of TPCs had no effect on MR1 presentation of exogenously delivered antigens, HLA-B presentation, or HLA-II presentation. Finally, we found that the calcium-sensitive trafficking protein Synaptotagmin 7 was also key in the presentation of Mtb infection by MR1. TPC1 and Synaptotagmin 7 may be part of an endosomal pathway by which MR1 can sample intracellular mycobacterial infections.
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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 Socratic graph.